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Author SHA1 Message Date
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
Goutham Veeramachaneni 1263a68875 Recompact blocks with large number of tombstones 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 18:27:31 +02:00
Goutham Veeramachaneni 7b9c536883 Merge pull request #103 from Gouthamve/block-ranges 
Compaction implementation for block-ranges
 2017-07-12 17:32:49 +02:00
Goutham Veeramachaneni 9a2ab732b5 Choose ranges by retention and min-block-duration 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 17:30:34 +02:00
Goutham Veeramachaneni 969c407335 Merge pull request #106 from Gouthamve/snapshot-time 
Persist the right MaxTime when snapshotting
 2017-07-12 13:54:31 +02:00
Goutham Veeramachaneni f1ae239c20 Persist the right MaxTime when snapshotting 
This is because we cut a new block from where the snapshotted block ends
if we restore from backups and highTimestamp would be where we should be
 starting from.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 13:48:13 +02:00
Goutham Veeramachaneni ce23adb579 Initial compaction implementation for block-ranges 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-07 16:32:18 +02:00
Fabian Reinartz bc3fee4820 Add benchmark for mergedSeriesSet 2017-07-05 16:19:28 +02:00
Fabian Reinartz d492bfd973 Merge pull request #101 from prometheus/chunkit 
Fix omitting of chunk on Seek()
 2017-06-30 15:17:34 +02:00
Fabian Reinartz 344a50b9d8 Merge pull request #100 from prometheus/fullness 
Compact head block early
 2017-06-30 15:07:22 +02:00
Fabian Reinartz bda3ed20ac Fix omitting of chunk on Seek() 2017-06-30 15:06:27 +02:00
Fabian Reinartz 1e74c155eb Return empty string to signal non-caching 2017-06-26 14:58:00 +02:00
Fabian Reinartz 3410559c1b Compact head block early 
Let older head blocks be compacted once the newest once has samples at
50% of its total range. This allows the memory of the compacted blocks
to be released and garbage collected before a new head block gets
created. Thereby the number of head blocks is 1 or 2 instead of 2 or 3
and memory spikes are reduced.
 2017-06-26 08:52:59 +02:00
Brian Brazil 60c823c663 Fix broken test (#99) 2017-06-22 15:24:38 +01:00
Fabian Reinartz a2948f3c5f Merge pull request #97 from Gouthamve/nit 
Fix bug with Seek() and optimise bounding params.
 2017-06-13 10:11:10 +02:00
Fabian Reinartz 3a36551b90 Merge pull request #98 from prometheus/balance 
Properly balance k-way operations
 2017-06-13 10:09:55 +02:00
Goutham Veeramachaneni a280169427
Add regression test 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-06-13 13:21:22 +05:30
Fabian Reinartz eb8c9759fc Properly balance k-way operations 2017-06-13 08:25:13 +02:00
Goutham Veeramachaneni 9e1f34dae3
Fix bug with Seek() and optimise bounding params. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-06-13 11:24:04 +05:30
Fabian Reinartz 9963a4c7c3 Merge pull request #95 from Gouthamve/wal-ahead 
Fix race condition for 2 appenders having same ts
 2017-06-12 11:17:49 +02:00
Goutham Veeramachaneni 73cc5bae51 Colocate defer statements near relevant functions 
Signed-off-by: Goutham Veeramachaneni <goutham@boomerangcommerce.com>
 2017-06-12 14:37:58 +05:30
Fabian Reinartz 0ec9456675 Merge pull request #96 from prometheus/fdleak 
Fix directory file descriptor leak.
 2017-06-12 10:56:48 +02:00
Fabian Reinartz 03f95ee096 Fix directory file descriptor leak. 2017-06-12 00:05:04 +02:00
Goutham Veeramachaneni b51a05044e
Fix race condition for 2 appenders having same ts 
Race:
Suppose we have 100 existing series inside a HeadBlock.
Now we open two appenders in two routines A1, A2 and append 30 new series and
60 new series respectively with some common series.

Both try to commit at the same time and the following happens in the given order:

A2 executes createSeries()
A1 executes createSeries() (with its common series referencing the ids from A2)
A1 persists its newlabels, samples
A2 persists its newlabels, samples

Now when reading it back, we read A1's samples which reference A2's id and
thereby fail.

Ref: prometheus/promtheus#2795

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-06-08 16:26:25 +05:30
Fabian Reinartz d4cb579443 Add DB.Dir method 2017-06-08 12:14:13 +02:00
Fabian Reinartz 7e4368e6c3 Merge pull request #94 from prometheus/cutchunk 
Improve heuristic to spread chunks across block
 2017-06-08 11:30:49 +02:00