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Author SHA1 Message Date
Fabian Reinartz 81222849bc Filter WAL data in Head, misc fixes 2017-09-06 16:20:37 +02:00
Fabian Reinartz 33e9bdf403 WAL refactoring and truncation fixes and test 2017-09-06 14:59:25 +02:00
Fabian Reinartz c36d574290 Replace single head lock with granular locks 
This adds various new locks to replace the single big lock on
the head. All parts now must be COW as they may be held by clients
after initial retrieval.
Series by ID and hashes are now held in a stripe lock to reduce
contention and total holding time during GC. This should reduce
starvation of readers.
 2017-09-05 14:41:39 +02:00
Fabian Reinartz 1ddedf2b30 Change series ID from uint32 to uint64 2017-09-04 16:08:38 +02:00
Fabian Reinartz af2c2f9674 Re-enable head block delet test 2017-09-04 15:07:30 +02:00
Goutham Veeramachaneni 1698c516ad [WIP]: WAL implementation 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-04 14:52:40 +02:00
Fabian Reinartz 9f41d9fd3c Instrument chunks on level 1 compactions 2017-09-01 16:10:10 +02:00
Fabian Reinartz 893b6ec506 Add tests for GC and chunk truncation 2017-09-01 14:38:49 +02:00
Fabian Reinartz 4f037da462 Remove defer statement in hot path 2017-09-01 12:09:29 +02:00
Fabian Reinartz 4cc37eecab Refactor and add tests for compactor 2017-09-01 11:50:58 +02:00
Fabian Reinartz 5cf2662074 Refactor WAL into Head and misc improvements 2017-09-01 11:50:58 +02:00
Fabian Reinartz 8209e3ec23 Add various metrics 2017-09-01 11:50:58 +02:00
Fabian Reinartz 3901b6e70b Remove multiple heads 
This changes the structure to a single WAL backed by a single head
block.
Parts of the head block can be compacted. This relieves us from any head
amangement and greatly simplifies any consistency and isolation concerns
by just having a single head.
 2017-09-01 11:50:58 +02:00
Fabian Reinartz 0fe67df9f2 Merge pull request #135 from alin-amana/fix_eval_blocking_on_fsync 
Don't do blocking disk I/O under mutex blocking scrape and eval
 2017-09-01 11:49:25 +02:00
Alin Sinpalean 8f7934d025 Take the fdatasync() syscall out from under mutex lock to (mostly) avoid scrape and eval from blocking on disk I/O. 2017-09-01 09:45:54 +02:00
Fabian Reinartz 215a856f34 Just check for general error in WAL test 
Go 1.9 changed the returned error. Checking the exact message is too
fragile.
 2017-08-27 16:57:43 +02:00
Fabian Reinartz 1b86bbb48a Merge pull request #130 from mdlayher/crc32-once 
Add newCRC32 function to simplify hash initialization
 2017-08-26 18:18:48 +02:00
Matt Layher 78b15c3434
Add newCRC32 function to simplify hash initialization 2017-08-26 12:04:00 -04:00
Goutham Veeramachaneni e2e2947ee8 Merge pull request #128 from Gouthamve/expose-types 
Expose types for easier interface implementations.
 2017-08-25 21:29:53 +05:30
Goutham Veeramachaneni c463b0c8c8
Expose NewMergedSeriesSet for merging SeriesSets 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-25 19:36:24 +05:30
Goutham Veeramachaneni 5b242f35ba Expose a Querier with manually passed in readers. 
Allows people to not copy the querying code.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-25 16:06:45 +05:30
Goutham Veeramachaneni 7438ed7035 Expose Intervals type for use by TombstoneReader. 
TombstoneReader is exposed but Intervals is not.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-25 16:06:36 +05:30
Goutham Veeramachaneni 79dc0ed420 Merge pull request #126 from ankon/pr/issue-125 
Log the directory when the WAL cannot be opened
 2017-08-22 14:52:30 +05:30
Andreas Kohn 4003da0fdd
Log the directory when the WAL cannot be opened 
Fixes #125
 2017-08-22 11:17:07 +02:00
Fabian Reinartz c4ca881685 Merge pull request #120 from Gouthamve/fix-0-division 
Fix panic caused by 0 division
 2017-08-18 09:54:27 +02:00
Goutham Veeramachaneni 178f840295 Fix panic caused by 0 division 
Introduced in #108

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-18 07:45:29 +02:00
Fabian Reinartz e0aca4bee9 Merge pull request #119 from prometheus/allocsave 
Allocsave
 2017-08-11 12:42:10 +02:00
Fabian Reinartz f9f439c6db Merge pull request #118 from prometheus/allocsave2 
Avoid chunk allocations and refactor compactions
 2017-08-10 14:45:54 +02:00
Fabian Reinartz 912302877b Merge pull request #116 from prometheus/allocsave 
Persist series without allocating the full set
 2017-08-10 10:08:49 +02:00
Fabian Reinartz 905af27cf9 Refactor compactor 2017-08-09 11:10:29 +02:00
Fabian Reinartz 66ff7b12e9 Pool Chunk objects during compaction 2017-08-08 17:35:34 +02:00
Fabian Reinartz 2644c8665c Don't allocate ChunkMetas, reuse postings slices 2017-08-06 20:41:24 +02:00
Fabian Reinartz 96d7f540d4 Persist series without allocating the full set 
Change index persistence for series to not be accumulated in memory
before being written as one large batch. `Labels` and `ChunkMeta`
objects are reused.
This cuts down memory spikes during compaction of multiple blocks
significantly.

As part of the the Index{Reader,Writer} now have an explicit notion of
symbols and series must be inserted in order.
 2017-08-06 12:06:41 +02:00
Fabian Reinartz 1875d05e00 Merge pull request #115 from prometheus/compactionfix 
Fix compactions
 2017-08-04 13:40:00 +02:00
Fabian Reinartz 3951d8cc29 Fix selection of compactable blocks 2017-08-04 12:02:34 +02:00
Fabian Reinartz fa04455cd7 Properly detect compactable heads 
The fullness of the wrong head was being tracked, causing wrong
lists of compactable heads.
 2017-08-03 13:58:11 +02:00
Julius Volz 15baaa5677 Merge pull request #112 from joehandzik/patch-3 
Fix typo in index.md
 2017-07-24 23:38:54 +02:00
Joe Handzik e6cb86c029 Fix typo in index.md 
Minor change, monotinically -> monotonically.

Signed-Off-By: Joe Handzik <joseph.t.handzik@hpe.com>
 2017-07-24 15:23:29 -05:00
Goutham Veeramachaneni 1373a0ea9f Merge pull request #111 from dilyevsky/add-prefix-matcher 
Add prefix label matcher.
 2017-07-23 17:59:31 +05:30
Dmitry Ilyevsky 37194b7a30 Add prefix label matcher. 
Implement labels.PrefixMatcher and use interface conversion in querier
to optimize label tuples search.

[unit-tests]: Fix bug and populate label index for mock index.

Signed-off-by: Dmitry Ilyevsky <ilyevsky@gmail.com>
 2017-07-22 01:06:30 -07:00
Goutham Veeramachaneni 1378338aab Merge pull request #110 from WJTian/master 
Fix DefaultOptions
 2017-07-22 00:07:38 +05:30
tianwenjie01 b64054365d Fix DefaultOptions 2017-07-18 17:42:58 +08:00
Fabian Reinartz 8d3a398113 Merge pull request #109 from prometheus/fixes 
Fix compactions
 2017-07-14 13:45:46 +02:00
Fabian Reinartz 74f67e8271 Fix compacting disable/enable 
Enabling and disabling compaction no longer blocks are potentially
causes panics.
 2017-07-14 10:08:05 +02:00
Fabian Reinartz 3065be97d8 Fix and document locking order for DB 2017-07-14 09:00:22 +02:00
Fabian Reinartz 47afc8e00f Reduce test timeout on Travis 2017-07-14 08:00:18 +02:00
Fabian Reinartz 9c4235532e Fix compaction selection after creating new heads 
This fixes the case where between block creations no compaction
plans are ran. We were not compacting anything in these
cases since the on creation the most recent head block always had
a high timestamp of 0.
 2017-07-13 16:15:13 +02:00
Fabian Reinartz 5d7b5994d6 Fix compaction range selection 2017-07-13 16:13:59 +02:00
Goutham Veeramachaneni 3c22488157 Merge pull request #108 from Gouthamve/compact-large-dels-2 
Recompact blocks with large number of tombstones
 2017-07-12 18:54:01 +02:00
Goutham Veeramachaneni 401bdfd4a6 Make Chunks return the number of samples inside 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 18:45:12 +02:00