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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

Also add original license info to bstream.go

2017-05-03 01:32:09 +02:00

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

Simplify Labels.Equals()

2017-04-28 16:01:37 +02:00

Add liecence file and headers

2017-04-10 20:59:45 +02:00

Add full encode/decode WAL cycle test

2017-02-14 21:55:50 -08:00

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_test.go

Incorporate PR feedback.

2017-05-26 21:26:31 +05:30

block.go

Incorporate feedback.

2017-06-06 20:23:20 +05:30

chunks_test.go

Rename for clarity and consistency.

2017-05-22 16:42:36 +05:30

chunks.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_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

db.go

Remove unnecessary error from ToggleCompaction fns

2017-06-06 23:45:23 +05:30

encoding_helpers.go

Incorporate PR feedback.

2017-05-26 21:26:31 +05:30

head_test.go

Misc. fixes incorporating feedback.

2017-05-23 18:13:30 +05:30

head.go

Fix race condition for 2 appenders having same ts

2017-06-08 16:26:25 +05:30

index_test.go

Move chunk checksum

2017-04-30 10:10:18 +02:00

index.go

Add full Snapshot support

2017-06-06 18:15:54 +05:30

LICENSE

Add license file

2017-04-10 21:02:42 +02:00

postings_test.go

Fix missing postings in Merge and Intersect (#77 )

2017-05-12 09:44:41 +02:00

postings.go

Fix missing postings in Merge and Intersect (#77 )

2017-05-12 09:44:41 +02:00

querier_test.go

Make TombstoneReader a Getter.

2017-05-24 11:24:24 +05:30

querier.go

Incorporate PR feedback.

2017-05-26 21:26:31 +05:30

README.md

Add README

2017-04-10 13:29:46 +02:00

tombstones_test.go

Incorporate PR feedback.

2017-05-26 21:26:31 +05:30

tombstones.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

wal.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.

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