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The Prometheus monitoring system and time series database.
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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
chunks Also add original license info to bstream.go 2017-05-03 01:32:09 +02:00
cmd/tsdb Switch blocks to ULID directories, drop sequenc numbers 2017-05-18 16:09:30 +02:00
Documentation/format Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
labels Simplify Labels.Equals() 2017-04-28 16:01:37 +02:00
test Add liecence file and headers 2017-04-10 20:59:45 +02:00
testdata Add full encode/decode WAL cycle test 2017-02-14 21:55:50 -08:00
tsdbutil Minor comment fixes and additions. 2017-04-28 15:41:42 +02:00
.travis.yml Hack to workaround dependency on non-master code. 2017-04-20 14:47:08 +01:00
block.go Incorporate feedback. 2017-06-06 20:23:20 +05:30
block_test.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
chunks.go Rename for clarity and consistency. 2017-05-22 16:42:36 +05:30
chunks_test.go Rename for clarity and consistency. 2017-05-22 16:42:36 +05:30
compact.go Initial implementation of HeadBlock Snapshots 2017-06-05 13:48:31 +05:30
db.go Remove unnecessary error from ToggleCompaction fns 2017-06-06 23:45:23 +05:30
db_test.go Misc. fixes incorporating feedback. 2017-05-23 18:13:30 +05:30
db_unix.go Add liecence file and headers 2017-04-10 20:59:45 +02:00
db_windows.go Add liecence file and headers 2017-04-10 20:59:45 +02:00
encoding_helpers.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
head.go Fix race condition for 2 appenders having same ts 2017-06-08 16:26:25 +05:30
head_test.go Misc. fixes incorporating feedback. 2017-05-23 18:13:30 +05:30
index.go Add full Snapshot support 2017-06-06 18:15:54 +05:30
index_test.go Move chunk checksum 2017-04-30 10:10:18 +02:00
LICENSE Add license file 2017-04-10 21:02:42 +02:00
postings.go Fix missing postings in Merge and Intersect (#77) 2017-05-12 09:44:41 +02:00
postings_test.go Fix missing postings in Merge and Intersect (#77) 2017-05-12 09:44:41 +02:00
querier.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
querier_test.go Make TombstoneReader a Getter. 2017-05-24 11:24:24 +05:30
README.md Add README 2017-04-10 13:29:46 +02:00
tombstones.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
tombstones_test.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
wal.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30
wal_test.go Incorporate PR feedback. 2017-05-26 21:26:31 +05:30

README.md

TSDB

This repository contains the new Prometheus storage layer that will be used in its 2.0 release.

A writeup of its design can be found here.