elasticsearch/docs/reference/index-modules
Lee Hinman 6abe4c951d Add HierarchyCircuitBreakerService
Adds a breaker for request BigArrays, which are used for parent/child
queries as well as some aggregations. Certain operations like Netty HTTP
responses and transport responses increment the breaker, but will not
trip.

This also changes the output of the nodes' stats endpoint to show the
parent breaker as well as the fielddata and request breakers.

There are a number of new settings for breakers now:

`indices.breaker.total.limit`: starting limit for all memory-use breaker,
defaults to 70%

`indices.breaker.fielddata.limit`: starting limit for fielddata breaker,
defaults to 60%
`indices.breaker.fielddata.overhead`: overhead for fielddata breaker
estimations, defaults to 1.03

(the fielddata breaker settings also use the backwards-compatible
setting `indices.fielddata.breaker.limit` and
`indices.fielddata.breaker.overhead`)

`indices.breaker.request.limit`: starting limit for request breaker,
defaults to 40%
`indices.breaker.request.overhead`: request breaker estimation overhead,
defaults to 1.0

The breaker service infrastructure is now generic and opens the path to
adding additional circuit breakers in the future.

Fixes #6129

Conflicts:
	src/main/java/org/elasticsearch/index/fielddata/IndexFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/IndexFieldDataService.java
	src/main/java/org/elasticsearch/index/fielddata/RamAccountingTermsEnum.java
	src/main/java/org/elasticsearch/index/fielddata/ordinals/GlobalOrdinalsBuilder.java
	src/main/java/org/elasticsearch/index/fielddata/ordinals/InternalGlobalOrdinalsBuilder.java
	src/main/java/org/elasticsearch/index/fielddata/plain/AbstractIndexOrdinalsFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/plain/DisabledIndexFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/plain/IndexIndexFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/plain/NonEstimatingEstimator.java
	src/main/java/org/elasticsearch/index/fielddata/plain/PackedArrayIndexFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/plain/ParentChildIndexFieldData.java
	src/main/java/org/elasticsearch/index/fielddata/plain/SortedSetDVOrdinalsIndexFieldData.java
	src/main/java/org/elasticsearch/node/internal/InternalNode.java
	src/test/java/org/elasticsearch/index/aliases/IndexAliasesServiceTests.java
	src/test/java/org/elasticsearch/index/codec/CodecTests.java
	src/test/java/org/elasticsearch/index/fielddata/AbstractFieldDataTests.java
	src/test/java/org/elasticsearch/index/fielddata/IndexFieldDataServiceTests.java
	src/test/java/org/elasticsearch/index/mapper/MapperTestUtils.java
	src/test/java/org/elasticsearch/index/query/IndexQueryParserFilterCachingTests.java
	src/test/java/org/elasticsearch/index/query/SimpleIndexQueryParserTests.java
	src/test/java/org/elasticsearch/index/query/guice/IndexQueryParserModuleTests.java
	src/test/java/org/elasticsearch/index/search/FieldDataTermsFilterTests.java
	src/test/java/org/elasticsearch/index/search/child/ChildrenConstantScoreQueryTests.java
	src/test/java/org/elasticsearch/index/similarity/SimilarityTests.java
2014-07-28 11:27:33 +02:00
..
allocation.asciidoc [DOCS] move all coming tags to added in master 2014-07-23 16:37:19 +02:00
analysis.asciidoc [DOCS] Multiple doc fixes 2014-03-07 14:24:58 +01:00
cache.asciidoc Updated cache.asciidoc 2014-07-04 14:26:20 +02:00
codec.asciidoc Docs: fix documentation for bloom filter defaults 2014-07-27 18:39:29 -04:00
fielddata.asciidoc Add HierarchyCircuitBreakerService 2014-07-28 11:27:33 +02:00
mapper.asciidoc [DOCS] Multiple doc fixes 2014-03-07 14:24:58 +01:00
merge.asciidoc Docs: explain that SerialMergeScheduler just maps to CMS for back compat 2014-07-15 11:38:43 -04:00
similarity.asciidoc add lucene language model similarities (Dirichlet & JelinekMercer) 2014-04-07 10:48:03 +02:00
slowlog.asciidoc Remove garbage 2014-04-15 17:57:25 +02:00
store.asciidoc [DOCS] move all coming tags to added in master 2014-07-23 16:37:19 +02:00
translog.asciidoc Use unlimited flush_threshold_ops for translog 2014-04-22 16:37:07 +02:00