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Author SHA1 Message Date
Fabian Reinartz 8b51b7e2be Make WAL for HeadBlock composeable. 2017-05-13 18:14:18 +02:00
Fabian Reinartz 4862b261d0 Abstract WAL into interface 2017-05-13 17:09:26 +02:00
Fabian Reinartz 535532ca02 Export refdSample 
The type was part of a exported method signatures and should therefore
be exported as well.
 2017-05-12 17:06:26 +02:00
Fabian Reinartz 5534e6c53c Make HeadBlock impl public, make interface private 2017-05-12 16:34:41 +02:00
Goutham Veeramachaneni 2fa647f50b Fix missing postings in Merge and Intersect (#77) 
* Test for a previous implematation of Intersect

Before we were moving the postings list everytime we create a new
chained `intersectPostings`. That was causing some postings to be
skipped. This test fails on the older version.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

* Advance on Seek only when valid.

Issue:
Before in mergedPostings and others we advance everytime we `Seek`,
which causes issues with `Intersect`.

Take the case, where we have a mergedPostings = m merging, a: {10, 20, 30} and
b: {15, 25, 35}. Everytime we `Seek`, we do a.Seek and b.Seek.

Now if we Intersect m with {21, 22, 23, 30}, we would do Seek({21,22,23}) which
would advance a and b beyond 30.

Fix:
Now we advance only when the seeking value is greater than the current
value, as the definition specifies.

Also, posting 0 will not be a valid posting and will be used to signal
finished or un-initialized PostingsList.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

* Add test for Merge+Intersect edgecase.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

* Add comments to trivial tests.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-12 09:44:41 +02:00
Fabian Reinartz 968821e575 Merge pull request #57 from telendt/posings_fix 
Fix various postings implementations
 2017-05-11 14:11:08 +02:00
Fabian Reinartz 291137781b Merge branch 'panic-fix2' of https://github.com/Gouthamve/tsdb into Gouthamve-panic-fix2 2017-05-09 16:22:19 +02:00
Fabian Reinartz 44769c1654 Allow disabling lock file 2017-05-09 12:52:47 +02:00
Fabian Reinartz 09cd2021de Merge pull request #75 from Gouthamve/head-gen 
E2E test for headBlock
 2017-05-05 18:56:53 +02:00
Goutham Veeramachaneni 8096d11e4e
Add bounds check to headBlockAppender 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-05 19:52:11 +05:30
Goutham Veeramachaneni c1939b7136
Simply loop away from using tracking variables. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-05 19:34:59 +05:30
Goutham Veeramachaneni 5d2e72269b
Simplfied loops and functions 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-05 19:22:07 +05:30
Goutham Veeramachaneni 0908b0d27e
Add an end-to-end test for headBlock 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-03 22:50:34 +05:30
Goutham Veeramachaneni 7bbbd55aad
Fix bug where having one chunk can cause panic 
When we have only one chunk that is out of range, then we are returning
it unpopulated (w/o calling `Chunk(ref)`). This would cause a panic
downstream.

Fixes: prometheus/prometheus#2629

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-03 22:45:28 +05:30
Fabian Reinartz 77c937b8e1 Merge pull request #73 from Gouthamve/skip-duplicate 
Handle duplicate & out of order values in same txn
 2017-05-03 15:28:32 +02:00
Goutham Veeramachaneni 0becfc8eb7
Simplify checking by using readSeriesSet 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-03 16:04:50 +05:30
Fabian Reinartz 3b5d60d134 Merge pull request #74 from prometheus/more-license-info 
Also add original license info to bstream.go
 2017-05-03 06:46:28 +02:00
Julius Volz 0e2f8917ed Also add original license info to bstream.go 
Plus, extend the messages a bit to mention the origin repo.
 2017-05-03 01:32:09 +02:00
Goutham Veeramachaneni adaf4d2099
Handle duplicate & out of order values in same txn 
Add docs about not erroring out on exact dupes.
Moved tests to require.*

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-03 02:36:40 +05:30
Fabian Reinartz 63d431b905 Merge pull request #61 from prometheus/checksum 
IndexWriter improvements
 2017-05-02 14:21:00 +02:00
Fabian Reinartz 108dc97b95 Documentation fixes 2017-05-02 14:16:44 +02:00
Fabian Reinartz 2032a11d98 Add padding between fixed-sized index sections 2017-05-02 12:43:51 +02:00
Fabian Reinartz 7778e92c78 Merge pull request #63 from prometheus/fabxc-patch-1 
Add dgryski/go-tsz LICENSE to header
 2017-05-02 11:27:52 +02:00
Fabian Reinartz 87676f4a26 Add dgryski/go-tsz LICENSE to header 2017-05-02 11:26:01 +02:00
Fabian Reinartz 085991c9da Merge pull request #71 from Gouthamve/tests 
Fix #59
 2017-05-01 11:46:16 +02:00
Goutham Veeramachaneni 8b43b0d2c1
Fix broken tests 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-01 15:01:17 +05:30
Goutham Veeramachaneni 6169c33fb8
Fix #59 
Mutating the chunks can change their length. Hence referencing using
previous indices can cause panics.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-01 14:33:56 +05:30
Fabian Reinartz 34ba92eeeb Move CRC back to chunks file, alignment for fixed-sized ints 2017-04-30 10:18:07 +02:00
Fabian Reinartz a54f46d5e7 Migrate last IndexWriter pieces to decbuf 2017-04-30 10:18:07 +02:00
Fabian Reinartz 94f3fd9812 Move encoding helpers into separate file 2017-04-30 10:18:07 +02:00
Fabian Reinartz 35b62f001e Change offset table layout, add TOC, ... 2017-04-30 10:18:07 +02:00
Fabian Reinartz 8b1f514a2d index: validate current write stages 2017-04-30 10:18:07 +02:00
Fabian Reinartz 9b4eafcc4c Simplify and document postings serialization 2017-04-30 10:10:18 +02:00
Fabian Reinartz 0aad526d1a Simplify label value index 
This removes the flag from the label value index and serializes it using
encbufs.
TODO: move CRC32 checksum into label value index hash table for
referntial integrity.
 2017-04-30 10:10:18 +02:00
Fabian Reinartz d30b181406 Switch series serialization to use encbufs 2017-04-30 10:10:18 +02:00
Fabian Reinartz 2ebaf1af4f Add encode buffer and simplify symbol serialization 2017-04-30 10:10:18 +02:00
Fabian Reinartz 433e73f865 Change series and symbol table format 2017-04-30 10:10:18 +02:00
Fabian Reinartz da068500c6 Swap len and encoding fields in chunk entry 2017-04-30 10:10:18 +02:00
Fabian Reinartz df96d97dab Move chunk checksum 2017-04-30 10:10:18 +02:00
Fabian Reinartz db4272b849 docs: add index file format 2017-04-30 10:10:18 +02:00
Fabian Reinartz d8b91b969c docs: add chunk file format 2017-04-30 10:10:18 +02:00
Fabian Reinartz cdfb604d89 Merge pull request #64 from prometheus/dbref 
Fix and test ref handling in DB appender
 2017-04-28 16:08:00 +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
Fabian Reinartz b07a87768a Merge pull request #67 from prometheus/remove-skiplist 
Remove unused skiplist types
 2017-04-28 16:06:01 +02:00
Julius Volz 006f5d6b22 Merge pull request #68 from prometheus/simplify-equals 
Simplify Labels.Equals()
 2017-04-28 09:05:35 -05:00
Fabian Reinartz b098c36d27 Merge pull request #69 from prometheus/fix-finalize-tail-errhandling 
Add missing error handling for finalizeTail() call
 2017-04-28 16:05:19 +02:00
Julius Volz a25f874ec4 Simplify Labels.Equals() 
Also extend the Compare() tests to also test Labels.Equals().
 2017-04-28 16:01:37 +02:00
Julius Volz 9a3d857d8b Add missing error handling for finalizeTail() call 2017-04-28 15:59:23 +02:00
Julius Volz e374db22bc Remove unused skiplist types 2017-04-28 15:57:01 +02:00