Invocation counts can be used to help judge the selectivity of individual query components in the context of the entire query. E.g. a query may not look selective when run by itself (matches most of the index), but when run in context of a full search request, is evaluated only rarely due to execution order
Since this is modifying the base timing class, it'll enrich both query and agg profiles (as well as future profile results)
Rename `fields` to `stored_fields` and add `docvalue_fields`
`stored_fields` parameter will no longer try to retrieve fields from the _source but will only return stored fields.
`fields` will throw an exception if the user uses it.
Add `docvalue_fields` as an adjunct to `fielddata_fields` which is deprecated. `docvalue_fields` will try to load the value from the docvalue and fallback to fielddata cache if docvalues are not enabled on that field.
Closes#18943
This pull request adds two util functions to the Mustache templating engine:
- {{#toJson}}my_map{{/toJson}} to render a Map parameter as a JSON string
- {{#join}}my_iterable{{/join}} to render any iterable (including arrays) as a comma separated list of values like `1, 2, 3`. It's also possible de change the default delimiter (comma) to something else.
closes#18970
This commit moves template support out of the Search API to its own dedicated Search Template API in the lang-mustache module. It provides a new SearchTemplateAction that can be used to render templates before it gets delegated to the usual Search API. The current REST endpoint are identical, but the Render Search Template endpoint now uses the same Search Template API with a new "simulate" option. When this option is enabled, the Search Template API only renders template and returns immediatly, without executing the search.
Closes#17906
`stored_fields` parameter will no longer try to retrieve fields from the _source but will only return stored fields.
`fields` will throw an exception if the user uses it.
Add `docvalue_fields` as an adjunct to `fielddata_fields` which is deprecated. `docvalue_fields` will try to load the value from the docvalue and fallback to fielddata cache if docvalues are not enabled on that field.
Closes#18943
This commit removes the search preference _only_node as the same
functionality can be obtained by using the search preference
_only_nodes. This commit also adds a test that ensures that _only_nodes
will continue to support specifying node IDs.
Relates #18875
The search preference _prefer_node allows specifying a single node to
prefer when routing a request. This functionality can be enhanced by
permitting multiple nodes to be preferred. This commit replaces the
search preference _prefer_node with the search preference _prefer_nodes
which supplants the former by specifying a single node and otherwise
adds functionality.
Relates #18872
By default the number of searches msearch executes is capped by the number of
nodes multiplied with the default size of the search threadpool. This default can be
overwritten by using the newly added `max_concurrent_searches` parameter.
Before the msearch api would concurrently execute all searches concurrently. If many large
msearch requests would be executed this could lead to some searches being rejected
while other searches in the msearch request would succeed.
The goal of this change is to avoid this exhausting of the search TP.
Closes#17926
API:
```
curl -XGET 'localhost:9200/twitter/tweet/_search?scroll=1m' -d '{
"slice": {
"field": "_uid", <1>
"id": 0, <2>
"max": 10 <3>
},
"query": {
"match" : {
"title" : "elasticsearch"
}
}
}
```
<1> (optional) The field name used to do the slicing (_uid by default)
<2> The id of the slice
By default the splitting is done on the shards first and then locally on each shard using the _uid field
with the following formula:
`slice(doc) = floorMod(hashCode(doc._uid), max)`
For instance if the number of shards is equal to 2 and the user requested 4 slices then the slices 0 and 2 are assigned
to the first shard and the slices 1 and 3 are assigned to the second shard.
Each scroll is independent and can be processed in parallel like any scroll request.
Closes#13494
Two of the snippets in validate weren't working properly so they are
marked as skip and linked to this:
https://github.com/elastic/elasticsearch/issues/18254
We didn't properly handle empty parameter values. We were sending
them as the literal string "null". Now we do better and send them
as the empty string.
We should prevent highlighting if a field is anything but a text or keyword field.
However, someone might implement a custom field type that has text and still want to
highlight on that. We cannot know in advance if the highlighter will be able to
highlight such a field and so we do the following:
If the field is only highlighted because the field matches a wildcard we assume
it was a mistake and do not process it.
If the field was explicitly given we assume that whoever issued the query knew
what they were doing and try to highlight anyway.
closes#17537
Fix a limitation that prevent from hierarchical inner hits be defined in query dsl.
Removed the nested_path, parent_child_type and query options from inner hits dsl. These options are only set by ES
upon parsing the has_child, has_parent and nested queries are using their respective query builders.
These options are still used internally, when these options are set a new private copy is created based on the
provided InnerHitBuilder and configuring either nested_path or parent_child_type and the inner query of the query builder
being used.
Closes#11118
* Add isSearchable and isAggregatable (collapsed to true if any of the instances of that field are searchable or aggregatable).
* Accept wildcards in field names.
* Add a section named conflicts for fields with the same name but with incompatible types (instead of throwing an exception).
IMHO the original text here was incomplete. Adding the simple words 'in the index mapping' makes this sentence more clear. Perhaps a be more clear to make this a link.
This commit adds the new `action.search.shard_count.limit` setting which
configures the maximum number of shards that can be queried in a single search
request. It has a default value of 1000.
Both top level and inline inner hits are now covered by InnerHitBuilder.
Although there are differences between top level and inline inner hits,
they now make use of the same builder logic.
The parsing of top level inner hits slightly changed to be more readable.
Before the nested path or parent/child type had to be specified as encapsuting
json object, now these settings are simple fields. Before this was required
to allow streaming parsing of inner hits without missing contextual information.
Once some issues are fixed with inline inner hits (around multi level hierachy of inner hits),
top level inner hits will be deprecated and removed in the next major version.
Also replaced the PercolatorQueryRegistry with the new PercolatorQueryCache.
The PercolatorFieldMapper stores the rewritten form of each percolator query's xcontext
in a binary doc values field. This make sure that the query rewrite happens only during
indexing (some queries for example fetch shapes, terms in remote indices) and
the speed up the loading of the queries in the percolator query cache.
Because the percolator now works inside the search infrastructure a number of features
(sorting fields, pagination, fetch features) are available out of the box.
The following feature requests are automatically implemented via this refactoring:
Closes#10741Closes#7297Closes#13176Closes#13978Closes#11264Closes#10741Closes#4317
The search_after parameter provides a way to efficiently paginate from one page to the next. This parameter accepts an array of sort values, those values are then used by the searcher to sort the top hits from the first document that is greater to the sort values.
This parameter must be used in conjunction with the sort parameter, it must contain exactly the same number of values than the number of fields to sort on.
NOTE: A field with one unique value per document should be used as the last element of the sort specification. Otherwise the sort order for documents that have the same sort values would be undefined. The recommended way is to use the field `_uuid` which is certain to contain one unique value for each document.
Fixes#8192
* Added percolator field mapper that extracts the query terms and indexes these terms with the percolator query.
* At percolate time these extracted terms are used to query percolator queries that are like to be evaluated. This can significantly cut down the time it takes to percolate. Whereas before all percolator queries were evaluated if they matches with the document being percolated.
* Changes made to percolator queries are no longer immediately visible, a refresh needs to happen before the changes are visible.
* By default the percolate api only returns upto 10 matches instead of returning all matching percolator queries.
* Made percolate more modular, so that it is easier to add unit tests.
* Added unit tests for the percolator.
Closes#12664Closes#13646
Provides a new flag which can be enabled on a per-request basis.
When `"profile": true` is set, the search request will execute in a
mode that collects detailed timing information for query components.
```
GET /test/test/_search
{
"profile": true,
"query": {
"match": {
"foo": "bar"
}
}
}
```
Closes#14889
Squashed commit of the following:
commit a92db5723d2c61b8449bd163d2f006d12f9889ad
Merge: 117dd993f87b08
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Dec 17 09:44:10 2015 -0500
Merge remote-tracking branch 'upstream/master' into query_profiler
commit 117dd9992e
Merge: 9b29d6882a64fd
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Dec 15 13:27:18 2015 -0500
Merge remote-tracking branch 'upstream/master' into query_profiler
Conflicts:
core/src/main/java/org/elasticsearch/search/SearchService.java
commit 9b29d6823a
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Dec 14 16:13:23 2015 -0500
[TEST] Profile flag needs to be set, ensure searches go against primary only for consistency
commit 4d602d8ad1
Merge: 8b48e87 7742c1e
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Dec 14 10:56:25 2015 -0500
Merge remote-tracking branch 'upstream/master' into query_profiler
commit 8b48e87634
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Dec 14 10:56:01 2015 -0500
Delegate straight to in.matchCost, no need for profiling
commit fde3b05879
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Dec 14 10:28:23 2015 -0500
Documentation tweaks, renaming build_weight -> create_weight
commit 46f5e011ee
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Dec 14 10:27:52 2015 -0500
Profile TwoPhaseIterator should override matchCost()
commit b59f894ddb
Merge: 9aa1a3ab4e0c87
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 9 14:23:26 2015 -0500
Merge remote-tracking branch 'upstream/master' into query_profiler
commit 9aa1a3a25c
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 9 13:41:48 2015 -0500
Revert "Move some of the collector wrapping logic into ProfileCollectorBuilder"
This reverts commit 02cc31767f.
commit 57f7c04cea
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 9 13:41:31 2015 -0500
Revert "Rearrange if/else to make intent clearer"
This reverts commit 59b63c533f.
commit 2874791b9c
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 9 13:38:13 2015 -0500
Revert "Move state into ProfileCollectorBuilder"
This reverts commit 0bb3ee0dd9.
commit 0bb3ee0dd9
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Dec 3 11:21:55 2015 -0500
Move state into ProfileCollectorBuilder
commit 59b63c533f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 2 17:21:12 2015 -0500
Rearrange if/else to make intent clearer
commit 511db0af2f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 2 17:12:06 2015 -0500
Rename WEIGHT -> BUILD_WEIGHT
commit 02cc31767f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Dec 2 17:11:22 2015 -0500
Move some of the collector wrapping logic into ProfileCollectorBuilder
commit e69356d3cb
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 15:12:35 2015 -0500
Cleanup imports
commit c1b4f284f1
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 15:11:25 2015 -0500
Review cleanup: Make InternalProfileShardResults writeable
commit 9e61c72f7e
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 15:01:22 2015 -0500
Review cleanup: Merge ProfileShardResult, InternalProfileShardResult. Convert to writeable
commit 709184e155
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 14:38:08 2015 -0500
Review cleanup: Merge ProfileResult, InternalProfileResult. Convert to writeable
commit 7d72690c44
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 14:01:34 2015 -0500
Review cleanup: use primitive (and default) for profile flag
commit 97d5573885
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 13:09:12 2015 -0500
Review cleanup: Use Collections.emptyMap() instead of building an empty one explicitly
commit 219585b872
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 13:08:12 2015 -0500
Add todo to revisit profiler architecture in the future
commit b712edb216
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 30 13:05:32 2015 -0500
Split collector serialization from timing, use writeable instead of streamable
Previously, the collector timing was done in the same class that was serialized, which required
leaving the collector null when serializing. Besides being a bit gross, this made it difficult to
change the class to Writeable.
This splits up the timing (InternalProfileCollector + ProfileCollector) and the serialization of
the times (CollectorResult). CollectorResult is writeable, and also acts as the public interface.
commit 6ddd77d066
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Nov 25 13:15:12 2015 -0500
Remove dead code
commit 06033f8a05
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Nov 25 12:49:51 2015 -0500
Review cleanup: Delegate to in.getProfilers()
Note: Need to investigate how this is used exactly so we can add a test, it isn't touched by a
normal inner_hits query...
commit a77e13da21
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Nov 25 11:59:58 2015 -0500
Review cleanup: collapse to single `if` statement
commit e97bb6215a
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Nov 25 11:39:43 2015 -0500
Review cleanup: Return empty map instead of null for profile results
Note: we still need to check for nullness in SearchPhaseController, since an empty/no-hits result
won't have profiling instantiated (or any other component like aggs or suggest). Therefore
QuerySearchResult.profileResults() is still @Nullable
commit db8e691de2
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Nov 25 10:14:47 2015 -0500
Review cleanup: renaming, formatting fixes, assertions
commit 9011775fe8
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Nov 19 20:09:52 2015 -0500
[DOCS] Add missing annotation
commit 4b58560b06
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Nov 19 20:07:17 2015 -0500
[DOCS] Update documentation for new format
commit f0458c58e5
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Nov 17 10:14:09 2015 +0100
Reduce visibility of internal classes.
commit d0a7d31909
Merge: e1580701bdf29e
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Nov 17 10:09:18 2015 +0100
Merge branch 'master' into query_profiler
commit e158070a48
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Nov 17 10:08:48 2015 +0100
Fix compile error due to bad html in javadocs.
commit a566b5d08d
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 16 17:48:37 2015 -0500
Remove unused collector
commit 4060cd72d1
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 16 17:48:10 2015 -0500
Comment cleanup
commit 43137952bf
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Nov 16 17:32:06 2015 -0500
Fix negative formatted time
commit 5ef3a98026
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 17:10:17 2015 +0100
Fix javadocs.
commit 276114d29e
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 16:25:23 2015 +0100
Fix: include rewrite time as well...
commit 21d9e17d05
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 15:10:15 2015 +0100
Remove TODO about profiling explain.
commit 105a31e8e5
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 14:59:30 2015 +0100
Fix nocommit now that the global collector is a root collector.
commit 2e8fc5cf84
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 14:53:38 2015 +0100
Make collector wrapping more explicit/robust (and a bit less magical).
commit 5e30b570b0
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 12:44:03 2015 +0100
Simplify recording API a bit.
commit 9b453afced
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 10:54:25 2015 +0100
Fix serialization-related nocommits.
commit ad97b200bb
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Nov 13 10:46:30 2015 +0100
Fix DFS.
commit a6de06986c
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 19:29:16 2015 +0100
Remove forbidden @Test annotation.
commit 4991a28e19
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 19:25:59 2015 +0100
Limit the impact of query profiling on the SearchContext API.
Rule is: we can put as much as we want in the search.profile package but should
aim at touching as little as possible other areas of the code base.
commit 353d8d75a5
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 18:05:09 2015 +0100
Remove dead code.
commit a3ffafb5dd
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 15:30:35 2015 +0100
Remove call to forbidden String.toLowerCase() API.
commit 1fa8c7a003
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 15:30:27 2015 +0100
Fix compilation.
commit 2067f1797e
Merge: 22e631ffac472f
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Nov 12 15:21:12 2015 +0100
Merge branch 'master' into query_profiler
commit 22e631fe64
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Nov 3 18:52:05 2015 -0500
Fix and simplify serialization of shard profile results
commit 461da25080
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Nov 3 18:32:22 2015 -0500
Remove helper methods, simpler without them
commit 5687aa1c93
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Nov 3 18:29:32 2015 -0500
[TESTS] Fix tests for new rewrite format
commit ba9e82857f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 30 15:28:14 2015 -0400
Rewrites begone! Record all rewrites as a single time metric
commit 5f28d7cdff
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 29 15:36:06 2015 -0400
Merge duplicate rewrites into one entry
By using the Query as the key in a map, we can easily merge rewrites together. This means
the preProcess(), assertion and main query rewrites all get merged together. Downside is that
rewrites of the same Query (hashcode) but in different places get lumped together. I think the
simplicity of the solution is better than the slight loss in output fidelity.
commit 9a601ea46b
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 29 15:28:27 2015 -0400
Allow multiple "searches" per profile (e.g. query + global agg)
commit ee30217328
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 29 11:29:18 2015 -0400
Update comment, add nullable annotation
commit 405c6463a6
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 29 11:04:30 2015 -0400
remove out-dated comment
commit 2819ae8f4c
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Oct 27 19:50:47 2015 +0100
Don't render children in the profiles when there are no children.
commit 7677c2ddef
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Oct 27 19:50:35 2015 +0100
Set the profiler on the ContextIndexSearcher.
commit 74a4338c35
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Oct 27 19:50:01 2015 +0100
Fix json rendering.
commit 6674d5bebe
Author: Adrien Grand <jpountz@gmail.com>
Date: Tue Oct 27 19:20:19 2015 +0100
Revert "nocommit - profiling never enabled because setProfile() on ContextIndexSearcher never called"
This reverts commit d3dc109490.
commit d3dc109490
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 17:20:57 2015 -0400
nocommit - profiling never enabled because setProfile() on ContextIndexSearcher never called
Previously, it was enabled by using DefaultSearchContext as a third-party "proxy", but since
the refactor to make it unit testable, setProfile() needs to be called explicitly. Unfortunately,
this is not possible because SearchService only has access to an IndexSearcher. And it is not
cast'able to a DefaultIndexSearcher.
commit b9ba9c5d1f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 16:27:00 2015 -0400
[TESTS] Fix unit tests
commit cf5d1e016b
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 16:22:34 2015 -0400
Increment token after recording a rewrite
commit b7d08f6403
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 16:14:09 2015 -0400
Fix NPE if a top-level root doesn't have children
commit e4d3b514ba
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 16:05:47 2015 -0400
Fix NPE when profiling is disabled
commit 445384fe48
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 16:05:37 2015 -0400
[TESTS] Fix integration tests
commit b478296bb0
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 15:43:24 2015 -0400
Move rewrites to their own section, remove reconciliation
Big commit because the structural change affected a lot of the wrapping code. Major changes:
- Rewrites are now in their own section in the response
- Reconciliation is gone...we don't attempt to roll the rewrites into the query tree structure
- InternalProfileShardResults (plural) simply holds a Map<String, InternalProfileShardResult> and
helps to serialize / ToXContent
- InternalProfileShardResult (singular) is now the holder for all shard-level profiling details. Currently
this includes query, collectors and rewrite. In the future it would hold suggest, aggs, etc
- When the user requests the profiled results, they get back a Map<String, ProfileShardResult>
instead of doing silly helper methods to convert to maps, etc
- Shard details are baked into a string instead of serializing the object
commit 24819ad094
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Oct 23 10:25:38 2015 -0400
Make Profile results immutable by removing relative_time
commit bfaf095f45
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Oct 23 10:54:59 2015 +0200
Add nocommits.
commit e9a128d0d2
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Oct 23 10:39:37 2015 +0200
Move all profile-related classes to the same package.
commit f20b7c7fdf
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Oct 23 10:33:14 2015 +0200
Reorganize code a bit to ease unit testing of ProfileCollector.
commit 3261306eda
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 18:07:28 2015 +0200
Remove irrelevant nocommit.
commit a6ac868dad
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 18:06:45 2015 +0200
Make CollectorResult's reason a free-text field to ease bw compat.
commit 5d0bf17078
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 16:50:52 2015 +0200
Add unit tests for ProfileWeight/ProfileScorer.
commit 2cd88c412c
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 15:55:17 2015 +0200
Rename InternalQueryProfiler to Profiler.
commit 84f5718fa6
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 15:53:58 2015 +0200
Merge InternalProfileBreakdown into ProfileBreakdown.
commit 135168eaeb
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 13:56:57 2015 +0200
Make it possible to instantiate a ContextIndexSearcher without SearchContext.
commit 5493fb5237
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 11:53:29 2015 +0200
Move ProfileWeight/Scorer to their own files.
commit bf2d917b9d
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 11:38:24 2015 +0200
Fix bug that caused phrase queries to fail.
commit b2bb0c92c3
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 11:36:17 2015 +0200
Parsing happens on the coordinating node now.
commit 416cabb862
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 11:22:17 2015 +0200
Fix compilation (in particular remove guava deps).
commit f996508645
Merge: 4616a25bc3b91e
Author: Adrien Grand <jpountz@gmail.com>
Date: Thu Oct 22 10:44:38 2015 +0200
Merge branch 'master' into query_profiler
commit 4616a25aff
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Oct 20 12:11:32 2015 -0400
Make Java Count API compatible with profiling
commit cbfba74e16
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Oct 20 12:11:19 2015 -0400
Fix serialization of profile query param, NPE
commit e33ffac383
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Oct 20 11:17:48 2015 -0400
TestSearchContext should return null Profiler instead of exception
commit 73a02d69b4
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Oct 19 12:07:29 2015 -0400
[DOCS] Update docs to reflect new ID format
commit 36248e388c
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Oct 19 12:03:03 2015 -0400
Use the full [node][index][shard] string as profile result ID
commit 5cfcc4a6a6
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 15 17:51:40 2015 -0400
Add failing test for phrase matching
Stack trace generated:
[2015-10-15 17:50:54,438][ERROR][org.elasticsearch.search.profile] shard [[JNj7RX_oSJikcnX72aGBoA][test][2]], reason [RemoteTransportException[[node_s0][local[1]][indices:data/read/search[phase/query]]]; nested: QueryPhaseExecutionException[Query Failed [Failed to execute main query]]; nested: AssertionError[nextPosition() called more than freq() times!]; ], cause [java.lang.AssertionError: nextPosition() called more than freq() times!
at org.apache.lucene.index.AssertingLeafReader$AssertingPostingsEnum.nextPosition(AssertingLeafReader.java:353)
at org.apache.lucene.search.ExactPhraseScorer.phraseFreq(ExactPhraseScorer.java:132)
at org.apache.lucene.search.ExactPhraseScorer.access$000(ExactPhraseScorer.java:27)
at org.apache.lucene.search.ExactPhraseScorer$1.matches(ExactPhraseScorer.java:69)
at org.elasticsearch.common.lucene.search.ProfileQuery$ProfileScorer$2.matches(ProfileQuery.java:226)
at org.apache.lucene.search.ConjunctionDISI$TwoPhaseConjunctionDISI.matches(ConjunctionDISI.java:175)
at org.apache.lucene.search.ConjunctionDISI$TwoPhase.matches(ConjunctionDISI.java:213)
at org.apache.lucene.search.ConjunctionDISI.doNext(ConjunctionDISI.java:128)
at org.apache.lucene.search.ConjunctionDISI.nextDoc(ConjunctionDISI.java:151)
at org.apache.lucene.search.ConjunctionScorer.nextDoc(ConjunctionScorer.java:62)
at org.elasticsearch.common.lucene.search.ProfileQuery$ProfileScorer$1.nextDoc(ProfileQuery.java:205)
at org.apache.lucene.search.Weight$DefaultBulkScorer.scoreAll(Weight.java:224)
at org.apache.lucene.search.Weight$DefaultBulkScorer.score(Weight.java:169)
at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:39)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:795)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:509)
at org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:347)
at org.elasticsearch.search.query.QueryPhase.execute(QueryPhase.java:111)
at org.elasticsearch.search.SearchService.loadOrExecuteQueryPhase(SearchService.java:366)
at org.elasticsearch.search.SearchService.executeQueryPhase(SearchService.java:378)
at org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:368)
at org.elasticsearch.search.action.SearchServiceTransportAction$SearchQueryTransportHandler.messageReceived(SearchServiceTransportAction.java:365)
at org.elasticsearch.transport.local.LocalTransport$2.doRun(LocalTransport.java:280)
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
commit 889fe63833
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 15 17:30:38 2015 -0400
[DOCS] More docs
commit 89177965d0
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Oct 15 09:59:09 2015 -0400
Fix multi-stage rewrites to recursively find most appropriate descendant rewrite
Previously, we chose the first rewrite that matched. But in situations where a query may
rewrite several times, this won't build the tree correctly. Instead we need to recurse
down all the rewrites until we find the most appropriate "leaf" rewrite
The implementation of this is kinda gross: we recursively call getRewrittenParentToken(),
which does a linear scan over the rewriteMap and tries to find rewrites with a larger token
value (since we know child tokens are always larger). Can almost certainly find a better
way to do this...
commit 0b4d782b53
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Oct 14 19:30:06 2015 -0400
[Docs] Documentation checkpoint
commit 383636453f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Sep 16 16:02:22 2015 -0400
Comments
commit a81e8f31e6
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Sep 16 15:48:49 2015 -0400
[TESTS] Ensure all tests use QUERY_THEN_FETCH, DFS does not profile
commit 1255c2d790
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Sep 15 16:43:46 2015 -0400
Refactor rewrite handling to handle identical rewrites
commit 85b7ec82eb
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Sep 15 08:51:14 2015 -0400
Don't update parent when a token is added as root -- Fixes NPE
commit 109d02bdbc
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Sep 15 08:50:40 2015 -0400
Don't set the rewritten query if not profiling -- Fixes NPE
commit 233cf5e85f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Sep 14 18:04:51 2015 -0400
Update tests to new response format
commit a930b1fc19
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Sep 14 18:03:58 2015 -0400
Fix serialization
commit 69afdd3036
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Sep 14 15:11:31 2015 -0400
Comments and cleanup
commit 64e7ca7f78
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Sep 14 14:40:21 2015 -0400
Move timing into dedicated class, add proper rewrite integration
commit b44ff85ddb
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Sep 14 12:00:38 2015 -0400
Checkpoint - Refactoring to use a token-based dependency tree
commit 52cedd5266
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Fri Sep 4 19:18:19 2015 -0400
Need to set context profiling flag before calling queryPhase.preProcess
commit c524670cb1
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 18:00:37 2015 +0200
Reduce profiling overhead a bit.
This removes hash-table lookups everytime we start/stop a profiling clock.
commit 111444ff84
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 16:18:59 2015 +0200
Add profiling of two-phase iterators.
This is useful for eg. phrase queries or script filters, since they are
typically consumed through their two-phase iterator instead of the scorer.
commit f275e69045
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 16:03:21 2015 +0200
Some more improvements.
I changed profiling to disable bulk scoring, since it makes it impossible to
know where time is spent. Also I removed profiling of operations that are
always fast (eg. normalization) and added nextDoc/advance.
commit 3c8dcd8727
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 14:39:50 2015 +0200
Remove println.
commit d68304862f
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 14:36:03 2015 +0200
Fix some test failures introduced by the rebase...
commit 04d53ca89f
Author: Adrien Grand <jpountz@gmail.com>
Date: Fri Sep 4 13:57:35 2015 +0200
Reconcile conflicting changes after rebase
commit fed03ec8e2
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Thu Aug 20 22:40:39 2015 -0400
Add Collectors to profile results
Profile response element has now been re-arranged so that everything is listed per-shard to
facilitate grouping elements together. The new `collector` element looks like this:
```
"profile": {
"shards": [
{
"shard_id": "keP4YFywSXWALCl4m4k24Q",
"query": [...],
"collector": [
{
"name": "MultiCollector",
"purpose": "search_multi",
"time": "16.44504400ms",
"relative_time": "100.0000000%",
"children": [
{
"name": "FilteredCollector",
"purpose": "search_post_filter",
"time": "4.556013000ms",
"relative_time": "27.70447437%",
"children": [
{
"name": "SimpleTopScoreDocCollector",
"purpose": "search_sorted",
"time": "1.352166000ms",
"relative_time": "8.222331299%",
"children": []
}
]
},
{
"name": "BucketCollector: [[non_global_term, another_agg]]",
"purpose": "aggregation",
"time": "10.40379400ms",
"relative_time": "63.26400829%",
"children": []
},
...
```
commit 1368b495c9
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Aug 19 12:43:03 2015 -0400
Move InternalProfiler to profile package
commit 53584de910
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 18:34:58 2015 -0400
Only reconcile rewrite timing when rewritten query is different from original
commit 9804c3b29d
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 16:40:15 2015 -0400
Comments and cleanup
commit 8e898cc7c5
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 14:19:07 2015 -0400
[TESTS] Fix comparison test to ensure results sort identically
commit f402a29001
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 14:17:59 2015 -0400
Add note about DFS being unable to profile
commit d446e08d3b
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 14:17:23 2015 -0400
Implement some missing methods
commit 13ca94fb86
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 13:10:54 2015 -0400
[TESTS] Comments & cleanup
commit c76c8c771f
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 13:06:08 2015 -0400
[TESTS] Fix profileMatchesRegular to handle NaN scores and nearlyEqual floats
commit 7e7a10ecd2
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 12:22:16 2015 -0400
Move nearlyEquals() utility function to shared location
commit 8422229000
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 18 12:04:35 2015 -0400
Fixup rebase conflicts
commit 674f162d77
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 17 15:29:35 2015 -0400
[TESTS] Update match and bool tests
commit 520380a854
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 17 15:28:09 2015 -0400
Make naming consistent re: plural
commit b9221501d8
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 17 15:27:39 2015 -0400
Children need to be added to list after serialization
commit 05fa51df94
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 17 15:22:41 2015 -0400
Re-enable bypass for non-profiled queries
commit f132204d26
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 17 15:21:14 2015 -0400
Fix serialization of QuerySearchResult, InternalProfileResult
commit 27b98fd475
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Aug 10 17:39:17 2015 -0400
Start to add back tests, refactor Java api
commit bcfc9fefd4
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Aug 4 17:08:10 2015 -0400
Checkpoint
commit 26a530e010
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Tue Jul 14 13:30:32 2015 -0400
Add createWeight() checkpoint
commit f0dd61de80
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Mon Jul 13 12:36:27 2015 -0400
checkpoint
commit 377ee8ce57
Author: Zachary Tong <zacharyjtong@gmail.com>
Date: Wed Mar 18 10:45:01 2015 -0400
checkpoint
The completion suggester provides auto-complete/search-as-you-type functionality.
This is a navigational feature to guide users to relevant results as they are typing, improving search precision.
It is not meant for spell correction or did-you-mean functionality like the term or phrase suggesters.
The completions are indexed as a weighted FST (finite state transducer) to provide fast Top N prefix-based
searches suitable for serving relevant results as a user types.
closes#10746
The only way to refer to the plain highlighter is now `plain`, the only way to refer to the fast vector highlighter is `fvh` and the only way to refer to the postings highlighter is `postings`. The name variants like `highlighter`, `postings-highlighter` and `fast-vector-highlighter` have been removed.
we are relying on terminate_after more and more, replaced the limit filter with it and soon it will also replace the search_exists api. At that point we should make it a stable api rather than experimental.
Closes#14183
Requesting a million hits, or page 100,000 is always a bad idea, but users
may not be aware of this. This adds a per-index limit on the maximum size +
from that can be requested which defaults to 10,000.
This should not interfere with deep-scrolling.
Closes#9311
The documentation states that scrolls are automatically closed when all
documents are consumed, but this is not the case. I first tried to fix
the code to close scrolls automatically but this made REST tests fail
because clearing a scroll that is already closed returned a 4xx error
instead of a 2xx code, so this has probably been this way for a very long
time.
Just like specifying `?preference=_primary`, this adds the ability to
specify `?preference=_replica` or `?preference=_replica_first` on
requests that support it.
Resolves#12222
Field stats index constraints allows to omit all field stats for indices that don't match with the constraint. An index
constraint can exclude indices' field stats based on the `min_value` and `max_value` statistic. This option is only
useful if the `level` option is set to `indices`.
For example index constraints can be useful to find out the min and max value of a particular property of your data in
a time based scenario. The following request only returns field stats for the `answer_count` property for indices
holding questions created in the year 2014:
curl -XPOST 'http://localhost:9200/_field_stats?level=indices' -d '{
"fields" : ["answer_count"] <1>
"index_constraints" : { <2>
"creation_date" : { <3>
"min_value" : { <4>
"gte" : "2014-01-01T00:00:00.000Z",
},
"max_value" : {
"lt" : "2015-01-01T00:00:00.000Z"
}
}
}
}'
Closes#11187
In order to be more consistent with what they do, the query cache has been
renamed to request cache and the filter cache has been renamed to query
cache.
A known issue is that package/logger names do no longer match settings names,
please speak up if you think this is an issue.
Here are the settings for which I kept backward compatibility. Note that they
are a bit different from what was discussed on #11569 but putting `cache` before
the name of what is cached has the benefit of making these settings consistent
with the fielddata cache whose size is configured by
`indices.fielddata.cache.size`:
* index.cache.query.enable -> index.requests.cache.enable
* indices.cache.query.size -> indices.requests.cache.size
* indices.cache.filter.size -> indices.queries.cache.size
Close#11569
This change unifies the way scripts and templates are specified for all instances in the codebase. It builds on the Script class added previously and adds request building and parsing support as well as the ability to transfer script objects between nodes. It also adds a Template class which aims to provide the same functionality for template APIs
Closes#11091
The default `false` for `require_field_match` is a bit odd and confusing for users, given that field names get ignored by default and every field gets highlighted if it contains terms extracted out of the query, regardless of which fields were queries. Changed the default to `true`, it can always be changed per request.
Closes#10627Closes#11067
Our own fork of the lucene PostingsHighlighter is not easy to maintain and doesn't give us any added value at this point. In particular, it was introduced to support the require_field_match option and discrete per value highlighting, used in case one wants to highlight the whole content of a field, but get back one snippet per value. These two features won't
make it into lucene as they slow things down and shouldn't have been supported from day one on our end probably.
One other customization we had was support for a wider range of queries via custom rewrite etc. (yet another way to slow
things down), which got added to lucene and works much much better than what we used to do (instead of or rewrite, term
s are pulled out of the automata for multi term queries).
Removing our fork means the following in terms of features:
- dropped support for require_field_match: the postings highlighter will only highlight fields that were queried
- some custom es queries won't be supported anymore, meaning they won't be highlighted. The only one I found up until now is the phrase_prefix. Postings highlighter rewrites against an empty reader to avoid slow operations (like the ones that we were performing with the fork that we are removing here), thus the prefix will not be expanded to any term. What the postings highlighter does instead is pulling the automata out of multi term queries, but this is not supported at the moment with our MultiPhrasePrefixQuery.
Closes#10625Closes#11077
Previously, collate feature would be executed on all shards of an index using the client,
this leads to a deadlock when concurrent collate requests are run from the _search API,
due to the fact that both the external request and internal collate requests use the
same search threadpool.
As phrase suggestions are generated from the terms of the local shard, in most cases the
generated suggestion, which does not yield a hit for the collate query on the local shard
would not yield a hit for collate query on non-local shards.
Instead of using the client for collating suggestions, collate query is executed against
the ContextIndexSearcher. This PR removes the ability to specify a preference for a collate
query, as the collate query is only run on the local shard.
closes#9377
Add methods to operate on multi-valued fields in the expressions language.
Note that users will still not be able to access individual values
within a multi-valued field.
The following methods will be included:
* min
* max
* avg
* median
* count
* sum
Additionally, changes have been made to MultiValueMode to support the
new median method.
closes#11105
Removes the More Like This API, users should now use the More Like This query.
The MLT API tests were converted to their query equivalent. Also some clean
ups in MLT tests.
Closes#10736Closes#11003
The assumption is that gaps in histogram are generally undesirable, for instance
if you want to build a visualization from it. Additionally, we are building new
aggregations that require that there are no gaps to work correctly (eg.
derivatives).
Remove the ability to specify search type ‘query_and_fetch’ and
‘df_query_and_fetch’ from the REST API.
- Adds REST tests
- Updates REST API spec to remove ‘query_and_fetch’ and
‘df_query_and_fetch’ as options
- Removes documentation for these options
Closes#9606
* Removed the docs for `index.compound_format` and `index.compound_on_flush` - these are expert settings which should probably be removed (see https://github.com/elastic/elasticsearch/issues/10778)
* Removed the docs for `index.index_concurrency` - another expert setting
* Labelled the segments verbose output as experimental
* Marked the `compression`, `precision_threshold` and `rehash` options as experimental in the cardinality and percentile aggs
* Improved the experimental text on `significant_terms`, `execution_hint` in the terms agg, and `terminate_after` param on count and search
* Removed the experimental flag on the `geobounds` agg
* Marked the settings in the `merge` and `store` modules as experimental, rather than the modules themselves
Closes#10782
The field stats api returns field level statistics such as lowest, highest values and number of documents that have at least one value for a field.
An api like this can be useful to explore a data set you don't know much about. For example you can figure at with the lowest and highest response times are, so that you can create a histogram or range aggregation with sane settings.
This api doesn't run a search to figure this statistics out, but rather use the Lucene index look these statics up (using Terms class in Lucene). So finding out these stats for fields is cheap and quick.
The min/max values are based on the type of the field. So for a numeric field min/max are numbers and date field the min/max date and other fields the min/max are term based.
Closes#10523
This commit adds a `rewrite` parameter to the validate API in order to shown
how the given query is re-written into primitive queries. For example, an MLT
query is re-written into a disjunction of the selected terms. Other use cases
include `fuzzy`, `common_terms`, or `match` query especially with a
`cutoff_frequency` parameter. Note that the explanation is only given for a
single randomly chosen shard only, so the output may vary from one shard to
another.
Relates #1412Closes#10147
Today we check every regular expression eagerly against every possible term.
This can be very slow if you have lots of unique terms, and even the bottleneck
if your query is selective.
This commit switches to Lucene regular expressions instead of Java (not exactly
the same syntax yet most existing regular expressions should keep working) and
uses the same logic as RegExpQuery to intersect the regular expression with the
terms dictionary. I wrote a quick benchmark (in the PR) to make sure it made
things faster and the same request that took 750ms on master now takes 74ms with
this change.
Close#7526
This commit brings the benefits of the `count` search type to search requests
that have a `size` of 0:
- a single round-trip to shards (no fetch phase)
- ability to use the query cache
Since `count` now provides no benefits over `query_then_fetch`, it has been
deprecated.
Close#7630
Allow to on/off scripting based on their source (where they get loaded from), the operation that executes them and their language.
The settings cover the following combinations:
- mode: on, off, sandbox
- source: indexed, dynamic, file
- engine: groovy, expressions, mustache, etc
- operation: update, search, aggs, mapping
The following settings are supported for every engine:
script.engine.groovy.indexed.update: sandbox/on/off
script.engine.groovy.indexed.search: sandbox/on/off
script.engine.groovy.indexed.aggs: sandbox/on/off
script.engine.groovy.indexed.mapping: sandbox/on/off
script.engine.groovy.dynamic.update: sandbox/on/off
script.engine.groovy.dynamic.search: sandbox/on/off
script.engine.groovy.dynamic.aggs: sandbox/on/off
script.engine.groovy.dynamic.mapping: sandbox/on/off
script.engine.groovy.file.update: sandbox/on/off
script.engine.groovy.file.search: sandbox/on/off
script.engine.groovy.file.aggs: sandbox/on/off
script.engine.groovy.file.mapping: sandbox/on/off
For ease of use, the following more generic settings are supported too:
script.indexed: sandbox/on/off
script.dynamic: sandbox/on/off
script.file: sandbox/on/off
script.update: sandbox/on/off
script.search: sandbox/on/off
script.aggs: sandbox/on/off
script.mapping: sandbox/on/off
These will be used to calculate the more specific settings, using the stricter setting of each combination. Operation based settings have precedence over conflicting source based ones.
Note that the `mustache` engine is affected by generic settings applied to any language, while native scripts aren't as they are static by definition.
Also, the previous `script.disable_dynamic` setting can now be deprecated.
Closes#6418Closes#10116Closes#10274
The behaviour is better in the case someone has multiple levels of nested object fields defined in the mapping and like to define a single inner_hits definition that is two or more levels deep.
If someone wants inner hits on a nested field that is 2 levels deep the following would need to be defined:
```
{
...
"inner_hits" : {
"path" : {
"level1" : {
"inner_hits" : {
"path" : {
"level2" : {
"query" : { .... }
}
}
}
}
}
}
}
```
With this change the above can be defined as:
```
{
...
"inner_hits" : {
"path" : {
"level1.level2" : {
"query" : { .... }
}
}
}
}
```
Closes#9251
The analysis chain should be used instead of relying on this, as it is
confusing when dealing with different per-field analysers.
The `locale` option was only used for `lowercase_expanded_terms`, which,
once removed, is no longer needed, so it was removed as well.
Fixes#9978
Relates to #9973
This commit adds scripting capability to significant_terms.
Custom heuristics can be implemented with a script that provides
parameters subset_freq, superset_freq,subset_size, superset_size.
closes#7850
Changed search_type docs to reflect that the `(dfs_)query_and_fetch` modes are an internal optimization and should not be specified explicitly by the user.
Relates to #9606
Removed the existing `pre_zone` and `post_zone` option in `date_histogram` in favor of
the simpler `time_zone` option. Previously, specifying different values for these could
lead to confusing scenarios where ES would return bucket keys that are not UTC.
Now `time_zone` is the only option setting, the calculation of date buckets to take place in the
preferred time zone, but after rounding converting the bucket key values back to UTC.
Closes#9062Closes#9637
Add offset option to 'date_histogram' replacing and simplifying the previous 'pre_offset' and 'post_offset' options.
This change is part of a larger clean up task for `date_histogram` from issue #9062.
We now have a very useful annotation to mark features or parameters as
experimental. Let's use it! This commit replaces some custom text warnings with
this annotation and adds this annotation to some existing features/parameters:
- inner_hits (unreleased yet)
- terminate_after (released in 1.4)
- per-bucket doc count errors in the terms agg (released in 1.4)
I also tagged with this annotation settings which should either be not needed
(like the ability to evict entries from the filter cache based on time) or that
are too deep into the way that Elasticsearch works like the Directory
implementation or merge settings.
Close#9563
These aggregations are not experimental anymore but some of their parameters
still are:
- `precision_threshold` and `rehash` on `cardinality`
- `compression` on percentiles(-ranks)
Close#9560
Histogram aggregation supports an 'offset' option to move bucket boundaries.
In a histogram with buckets of size X these can be moved from 0, X, 2X, 3X,...
by an offset value of Y to Y, X+Y, 2X+Y, 3X+Y... by using the 'offset' option.
The previous 'pre_offset' and 'post_offset' options are removed in favour of
the simplified 'offset' option.
Closes#9417Closes#9505
The `analyzer` setting is now the base setting, and `search_analyzer`
is simply an override of the search time analyzer. When setting
`search_analyzer`, `analyzer` must be set.
closes#9371
Extended_stats now displays the upper and lower bounds on standard deviations (e.g. avg +/- std).
Default is to show 2 std above/below, but can be changed using the `sigma` parameter.
Accepts non-negative doubles
Closes#9356
Inner hits allows to embed nested inner objects, children documents or the parent document that contributed to the matching of the returned search hit as inner hits, which would otherwise be hidden.
Closes#8153Closes#3022Closes#3152
Clinton Gormley
Isabel Drost-Fromm
Nik Everett
Zachary Tong
Jim Ferenczi
Colin Goodheart-Smithe
Tanguy Leroux
Robert Muir
Robert Muir
Adrien Grand
Martijn van Groningen
Jason Tedor
Alexander Lin
Vladimir Kovpak
Itamar Syn-Hershko
Britta Weber
Isabel Drost-Fromm
jasonquick
Christoph Büscher
Jeff
James Kerr
Dongjoon Hyun
Lee Hinman
Simon Willnauer
Devi
Simon Willnauer
Alexander Reelsen
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