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51 commits

Author SHA1 Message Date
Goutham Veeramachaneni 3de55171d3
Add tests for tombstones and deletedIterator 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-16 12:43:33 +05:30
Goutham Veeramachaneni 4f1d857590
Implement Delete on HeadBlock 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-15 23:28:14 +05:30
Goutham Veeramachaneni 5579efbd5b
Initial implentation of Deletes on persistedBlock 
Very much a WIP

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-14 14:36:26 +05:30
Fabian Reinartz 5534e6c53c Make HeadBlock impl public, make interface private 2017-05-12 16:34:41 +02:00
Fabian Reinartz 5b3cb11f3d Merge pull request #65 from prometheus/comment-fixes 
Minor comment fixes and additions.
 2017-04-28 16:07:16 +02:00
Fabian Reinartz 2c46815adb Merge pull request #66 from prometheus/fix-meta-error-handling 
Fix closing of meta file if meta encoding failed
 2017-04-28 16:06:42 +02:00
Julius Volz e374db22bc Remove unused skiplist types 2017-04-28 15:57:01 +02:00
Julius Volz 94f1ac599e Fix closing of meta file if meta encoding failed 2017-04-28 15:45:30 +02:00
Julius Volz 8d1fb4fa01 Minor comment fixes and additions. 2017-04-28 15:41:42 +02:00
Fabian Reinartz 778103b450 Add liecence file and headers 2017-04-10 20:59:45 +02:00
Fabian Reinartz 3635569257 Trigger reload correctly on interrupted compaction 2017-03-20 10:41:43 +01:00
Fabian Reinartz 2c999836fb Add Queryable interface to Block 
This adds the Queryable interface to the Block interface. Head and
persisted blocks now implement their own Querier() method and thus
isolate customization (e.g. remapPostings) more cleanly.
 2017-03-20 10:21:21 +01:00
Fabian Reinartz 11be2cc585 Add composed Block interfaces, remove head generation 
This adds more lower-leve interfaces which are used to compose
to different Block interfaces.
The DB only uses interfaces instead of explicit persistedBlock and
headBlock. The headBlock generation property is dropped as the use-case
can be implemented using block sequence numbers.
 2017-03-20 09:02:36 +01:00
Fabian Reinartz 2c3b56350a Write meta.json file atomically 2017-03-01 17:19:57 +01:00
Fabian Reinartz 306831f151 Add per-block state ULID 2017-02-27 10:46:15 +01:00
Fabian Reinartz 9a5dfadb09 Tweak IndexWriter interface, serialize directly into dir 2017-02-25 07:24:20 +01:00
Fabian Reinartz 78780cd2ba Segment chunk file 
This adds write path support for segmented chunk data files.
Files of 512MB are pre-allocated and written to. If the file size
is exceeded, the next file is started. On completion, files
are truncated to their final size.
 2017-02-23 10:50:22 +01:00
Fabian Reinartz f734773214 Replace per-file locking with single PID lock file 
File locks have a multitude of problems that make them hard to use
correctly. As they are just advisory, they are only meaningful to
prevent accidents like running the same process twice.
A simple PID file lock works reliably in those cases and is simpler.
 2017-02-19 13:01:19 +01:00
Fabian Reinartz a3d042b54e Support multiple chunk files in read path 2017-02-18 17:33:20 +01:00
Fabian Reinartz 30efe4a58c Support writing to multiple head blocks 
This is an initial (and hacky) first pass on allowing
appending to multiple blocks simultaniously to avoid
dropping samples right after cutting a new head block.
It's also required for cases like the PGW, where a scrape may
contain varying timestamps.
 2017-02-01 15:57:28 +01:00
Fabian Reinartz c20cc44b06 Add docs, write sequence number to meta.json 2017-01-29 08:11:47 +01:00
Fabian Reinartz 30d8866c13 Limit compaction range, make cut and compact concurrent 2017-01-20 07:58:19 +01:00
Fabian Reinartz 67d185ceb9 Compact based on compaction generation 2017-01-19 19:45:52 +01:00
Fabian Reinartz 472c618c39 Drop out-of-bound samples 2017-01-19 15:03:57 +01:00
Fabian Reinartz d4779b374c Properly track and write meta file 2017-01-19 14:01:38 +01:00
Fabian Reinartz 9ddbd64d00 Move stats into meta.json file, cleanup, docs 2017-01-19 11:22:47 +01:00
Fabian Reinartz e006bc6dc6 Improve error messages, create regular dir for block 2017-01-19 08:40:15 +01:00
Fabian Reinartz d2322f6095 Improve compaction processing 2017-01-18 06:18:32 +01:00
Fabian Reinartz c32a94d409 Unexport HeadBlock, export Block interface 2017-01-10 15:41:57 +01:00
Fabian Reinartz 1943f8d1bb Fix head block stats races 2017-01-07 18:02:17 +01:00
Fabian Reinartz 2eb544c98e Change file names and maker parsing safer 2017-01-06 13:13:22 +01:00
Fabian Reinartz 937cdb579c Switch to sequential block names 
This changes block directory names from the int64 timestamp
to sequential numbering.
 2017-01-06 10:45:03 +01:00
Fabian Reinartz ac49f8c15e Consolidate persistence and compaction 2017-01-03 16:49:37 +01:00
Fabian Reinartz e7f04d14d5 Lock mmapped files 2017-01-03 10:09:20 +01:00
Fabian Reinartz 91b65b55e7 Run persistence in separate goroutine 2017-01-02 22:24:35 +01:00
Fabian Reinartz beb842a856 Change block interface 
This changes the block interface to directly expose index
and series readers rather than the direct querier
 2017-01-02 11:12:28 +01:00
Fabian Reinartz 8aba95048a Rename to OpenHeadBlock 2016-12-22 20:00:24 +01:00
Fabian Reinartz 9c6a72aadd Load head with WALs correctly 2016-12-22 15:54:39 +01:00
Fabian Reinartz d9ca4b47f5 Fix offset errors, fix persisted postings order 2016-12-20 13:14:55 +01:00
Fabian Reinartz 00a503129b Use contextualized and traced errors in reader 2016-12-19 22:29:49 +01:00
Fabian Reinartz bd77103a49 Add stats serialization, load querier of all blocks 2016-12-15 16:14:33 +01:00
Fabian Reinartz 9ceed5378e Fix missing bound checks, off-by-ones, typos 2016-12-15 11:24:20 +01:00
Fabian Reinartz 9873e18b75 Add loading of persisted blocks 2016-12-15 08:36:07 +01:00
Fabian Reinartz 6eeb0ef01c Add queriers and partial mocks 2016-12-13 15:26:58 +01:00
Fabian Reinartz 14dbc59f2b cleanup and switching removal of unsafe calls. 2016-12-10 18:09:57 +01:00
Fabian Reinartz 40a451694f Refactor persistence into interfaces 2016-12-09 20:45:46 +01:00
Fabian Reinartz 62f9dc311c misc 2016-12-09 16:54:38 +01:00
Fabian Reinartz 74f8dfd95d Persist blocks periodically 2016-12-09 13:41:38 +01:00
Fabian Reinartz 0cf8bb9e53 Move sub-indexes into single index structure 2016-12-09 10:41:51 +01:00
Fabian Reinartz 8aa99a3ebd misc 2016-12-09 10:00:14 +01:00