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116 Commits

Author SHA1 Message Date
antirez bc64df9a66 Add MEMORY DOCTOR to MEMORY HELP. 2017-07-28 17:47:54 +02:00
Jan-Erik Rediger 3c9b817217 Don't divide by zero 
Previously Redis crashed on `MEMORY DOCTOR` when it has no slaves attached.

Fixes #3783
 2017-01-27 16:24:14 +01:00
miter 3ec1a001fb Change switch statment to if statment 2017-01-26 21:36:26 +09:00
antirez baa9898821 MEMORY USAGE: support for modules data types. 
As a side effect of supporting it, we no longer crash when MEMORY USAGE
is called against a module data type.

Close #3637.
 2017-01-12 09:47:57 +01:00
wangshaonan 2d91fce970 Add '\n' to MEMORY DOCTOR command output message when num_reports 
is 0 or empty is 1
 2016-12-06 03:11:27 +00:00
Guy Benoish 8b070b5d12 Fixed wrong sizeof(client) in object.c 2016-10-31 15:08:17 +02:00
Dvir Volk a91650fc57 added RM_CreateStringPrintf 2016-09-21 12:30:38 +03:00
antirez 4263b12147 Typo fixed from MEMORY DOCTOR output. 2016-09-16 16:52:00 +02:00
antirez 8a00ffc0e6 Surround allocator name with quotes in MEMORY DOCTOR output. 2016-09-16 16:40:25 +02:00
antirez 44e714a59c MEMORY DOCTOR initial implementation. 2016-09-16 16:36:53 +02:00
antirez d9325ac6c8 Provide percentage of memory peak used info. 2016-09-16 10:43:19 +02:00
antirez 78f35f8d2c Memory related subcommands of DEBUG moved to MEMORY. 2016-09-16 10:26:23 +02:00
antirez 123891dbbf Group MEMORY command related APIs together in the source code. 2016-09-16 10:12:04 +02:00
antirez adcfb77b5b objectComputeSize(): skiplist nodes have different sizes. 
The size of the node depends on the node level, however it is not stored
into the node itself, is an implicit information, so we use
zmalloc_size() in order to compute the sorted set size.
 2016-09-15 17:43:13 +02:00
antirez e9629e148b MEMORY command: HELP + dataset percentage (like in INFO). 2016-09-15 17:33:16 +02:00
antirez 5443726d4d MEMORY USAGE: SAMPLES option added + fixes to size computation. 
The new SAMPLES option is added, defaulting to 5, and with 0 being a
special value to scan the whole set of elements.

Fixes to the object size computation were made since the original PR
assumed data structures still contaning robj structures, while now after
the lazyfree changes, are all SDS strings.
 2016-09-15 15:25:14 +02:00
antirez bf2624ea99 C struct memoh renamed redisMemOverhead. API prototypes added. 2016-09-15 09:44:07 +02:00
antirez be5439bde3 MEMORY OVERHEAD refactored into a generic API. 2016-09-15 09:37:55 +02:00
antirez 8c84c962cf MEMORY OVERHEAD implemented (using Oran Agra initial implementation). 
This code was extracted from @oranagra PR #3223 and modified in order
to provide only certain amounts of information compared to the original
code. It was also moved from DEBUG to the newly introduced MEMORY
command. Thanks to Oran for the implementation and the PR.

It implements detailed memory usage stats that can be useful in both
provisioning and troubleshooting memory usage in Redis.
 2016-09-13 17:39:25 +02:00
antirez 89dec6921d objectComputeSize(): estimate collections sampling N elements. 
For most tasks, we need the memory estimation to be O(1) by default.
This commit also implements an initial MEMORY command.
Note that objectComputeSize() takes the number of samples to check as
argument, so MEMORY should be able to get the sample size as option
to make precision VS CPU tradeoff tunable.

Related to: PR #3223.
 2016-09-13 10:28:23 +02:00
oranagra 8c24325f8f Adding objectComputeSize() function. 2016-09-12 16:36:59 +02:00
antirez e0582b3598 Fix maxmemory shared integer check bug introduced with LFU. 2016-07-21 11:14:18 +02:00
antirez a8e2d0849e LFU: Initial naive eviction cycle. 
It is possible to get better results by using the pool like in the LRU
case. Also from tests during the morning I believe the current
implementation has issues in the frequency decay function that should
decrease the counter at periodic intervals.
 2016-07-18 13:50:19 +02:00
antirez 5d07984c5d LFU: Redis object level implementation. 
Implementation of LFU maxmemory policy for anything related to Redis
objects. Still no actual eviction implemented.
 2016-07-15 12:12:58 +02:00
antirez b46239e58b Expire and LRU related code moved into different files. 2016-07-06 15:24:06 +02:00
antirez 23791828f1 getLongLongFromObject: use string2ll() instead of strict_strtoll(). 
strict_strtoll() has a bug that reports the empty string as ok and
parses it as zero.

Apparently nobody ever replaced this old call with the faster/saner
string2ll() which is used otherwise in the rest of the Redis core.

This commit close #3333.
 2016-07-06 11:43:33 +02:00
Salvatore Sanfilippo 28ea585fce Merge pull request #3336 from yossigo/create_string_from_string 
Add RedisModule_CreateStringFromString().
 2016-06-23 16:16:28 +02:00
tielei f648c5a70c A string with 21 chars is not representable as a 64-bit integer. 2016-06-23 19:53:56 +08:00
Yossi Gottlieb 61172ed01e Add RedisModule_CreateStringFromString(). 2016-06-22 21:02:40 +03:00
Yossi Gottlieb 8f3a4df775 Use const in Redis Module API where possible. 2016-06-20 23:08:06 +03:00
Salvatore Sanfilippo 226f679651 Merge pull request #3283 from ideal/unstable 
fix mistake in comment in object.c
 2016-06-15 15:53:19 +02:00
antirez 8ec28002be Modules: support for modules native data types. 2016-06-03 18:14:04 +02:00
ideal 4067132092 fix mistake comment in object.c 2016-05-30 16:57:36 +08:00
antirez 974514b936 Lazyfree: Hash converted to use plain SDS WIP 4. 2015-10-01 13:02:25 +02:00
antirez 777396aeba Lazyfree: Hash converted to use plain SDS WIP 2. 2015-10-01 13:02:24 +02:00
antirez 1c247556c6 Lazyfree: Hash converted to use plain SDS WIP 1. 2015-10-01 13:02:24 +02:00
antirez 86d48efbfd Lazyfree: Convert Sets to use plains SDS (several commits squashed). 2015-10-01 13:02:24 +02:00
antirez 0c05436cef Lazyfree: a first implementation of non blocking DEL. 2015-10-01 13:00:19 +02:00
antirez 32f80e2f1b RDMF: More consistent define names. 2015-07-27 14:37:58 +02:00
antirez 40eb548a80 RDMF: REDIS_OK REDIS_ERR -> C_OK C_ERR. 2015-07-26 23:17:55 +02:00
antirez 2d9e3eb107 RDMF: redisAssert -> serverAssert. 2015-07-26 15:29:53 +02:00
antirez 14ff572482 RDMF: OBJ_ macros for object related stuff. 2015-07-26 15:28:00 +02:00
antirez 554bd0e7bd RDMF: use client instead of redisClient, like Disque. 2015-07-26 15:20:52 +02:00
antirez cef054e868 RDMF (Redis/Disque merge friendlyness) refactoring WIP 1. 2015-07-26 15:17:18 +02:00
Oran Agra f15df8ba5d sds size classes - memory optimization 2015-07-14 17:17:06 +02:00
antirez 8e219224b9 CONFIG refactoring: configEnum abstraction. 
Still many things to convert inside config.c in the next commits.
Some const safety in String objects creation and addReply() family
functions.
 2015-03-11 17:00:13 +01:00
antirez 4f56f035a7 String: use new sdigits10() API in stringObjectLen(). 
Should be much faster, and regardless, the code is more obvious now
compared to generating a string just to get the return value of the
ll2stirng() function.
 2015-02-27 16:09:17 +01:00
Matt Stancliff 5e362b84ab Add quicklist implementation 
This replaces individual ziplist vs. linkedlist representations
for Redis list operations.

Big thanks for all the reviews and feedback from everybody in
https://github.com/antirez/redis/pull/2143
 2015-01-02 11:16:08 -05:00
antirez 3632026210 Handle infinite explicitly in createStringObjectFromLongLong(). 2014-12-03 10:37:01 +01:00
antirez 92c5ab4029 Use exp format and more precision output for ZSCAN. 
Ref: issue #2175
 2014-12-02 18:20:09 +01:00