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47 commits

Author SHA1 Message Date
Fabian Reinartz 22fd3ef24e Deal with zero-length segments 
Signed-off-by: Fabian Reinartz <freinartz@google.com>
 2018-07-19 07:34:18 -04:00
Fabian Reinartz 1a5573b4ce Migrate write ahead log 
On startup, rewrite the old write ahead log into the new format once.

Signed-off-by: Fabian Reinartz <freinartz@google.com>
 2018-07-19 07:34:18 -04:00
Mario Trangoni c0e888e82b fix megacheck issues: os.SEEK_SET is deprecated: Use io.SeekStart, io.SeekCurrent, and io.SeekEnd. 2018-03-21 22:39:15 +01:00
Krasi Georgiev eb6cdbcb5b some test funcitons didn't cleanup after themselves. 2018-02-23 18:45:59 +02:00
Nipun 6537ee832c Incorporated review comments 2018-01-09 10:09:23 +05:30
Nipun cadae47522 fixed an issue in TestWALRestoreCorrupted 2018-01-07 08:05:50 +05:30
Fabian Reinartz adb6be73dd move label read function int labels pkg 2017-12-21 11:55:58 +01:00
Callum Styan 8326e410d0 decouple tsdb main.go (and tests) from prometheus/pkg 2017-12-18 15:26:16 -08:00
Callum Styan ca4e817372 move test utils to it's own package so we can use it in tests for other packages in tsdb repo 2017-12-06 17:06:14 -08:00
Callum Styan 6c8bbf3f61 use test utils in wal_test 2017-12-06 16:16:42 -08:00
ranbochen a27cf34a36 fix bugs on platform windows to pass all test case. (#192) 
* fix bugs on platform windows to pass all test case.

* fix bugs on platform windows to pass all test case

* clean up codes
 2017-10-31 15:37:41 +01:00
Fabian Reinartz 80055bb95b Truncate segments on broken header 2017-10-20 13:16:44 +02:00
Fabian Reinartz d3682d701c wal: decode and process in separate threads. 2017-10-06 14:46:52 +02:00
Bas Harenslak 5e1c258a98 Instrument WAL fsync 2017-10-04 22:17:02 +02:00
Fabian Reinartz 1e88ba06b4 Use boolean function instead of postings to drop WAL series 
There is not guarantee or requirement for WAL writers to only add
series entries in increasing order of IDs. A postings list cannot look
back and thus unordered WAL entries would skip over IDs to not truncate
from the WAL.
We replace it with a simple boolean check function that does not require
order.
 2017-09-21 13:31:01 +02:00
Fabian Reinartz 3d8be398d6 Merge branch 'locks' of github.com:prometheus/tsdb into locks 2017-09-11 10:39:55 +02:00
Fabian Reinartz 24362567b9 Fix test flakes 2017-09-11 10:33:17 +02:00
Fabian Reinartz 6892fc6dcb Finish old WAL segment async, default to no fsync 
We were still fsyncing while holding the write lock when we cut a new
segment. Given we cannot do anything but logging errors, we might just
as well complete segments asynchronously.

There's not realistic use case where one would fsync after every WAL
entry, thus make the default of a flush interval of 0 to never fsync
which is a much more likely use case.
 2017-09-08 18:41:12 +02:00
Fabian Reinartz c2916736be Re-use slices on deocding the WAL. Fix tests. 2017-09-08 08:17:01 +02:00
Fabian Reinartz 0db4c227b7 Fix min/max time handling and concurrent crc32 usage 2017-09-07 13:04:02 +02:00
Fabian Reinartz 970bffec8d Fix WAL errors and add tests for it 2017-09-07 10:58:34 +02:00
Fabian Reinartz 33e9bdf403 WAL refactoring and truncation fixes and test 2017-09-06 14:59:25 +02:00
Fabian Reinartz 1ddedf2b30 Change series ID from uint32 to uint64 2017-09-04 16:08:38 +02:00
Goutham Veeramachaneni 1698c516ad [WIP]: WAL implementation 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-04 14:52:40 +02:00
Fabian Reinartz 5cf2662074 Refactor WAL into Head and misc improvements 2017-09-01 11:50:58 +02:00
Fabian Reinartz 215a856f34 Just check for general error in WAL test 
Go 1.9 changed the returned error. Checking the exact message is too
fragile.
 2017-08-27 16:57:43 +02:00
Goutham Veeramachaneni 7438ed7035 Expose Intervals type for use by TombstoneReader. 
TombstoneReader is exposed but Intervals is not.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-25 16:06:36 +05:30
Goutham Veeramachaneni 44e9ae38b5
Incorporate PR feedback. 
* Expose Stone as it is used in an exported method.
* Move from tombstoneReader to []Stone for the same reason as above.
* Make WAL reading a little cleaner.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-26 21:26:31 +05:30
Goutham Veeramachaneni bacb143b7e
Simplify tombstone and WAL Delete formats. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-24 13:42:56 +05:30
Goutham Veeramachaneni f29fb62fba
Make TombstoneReader a Getter. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-24 11:24:24 +05:30
Goutham Veeramachaneni 3eb4119ab1
Make HeadBlock use WAL. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-05-23 16:15:16 +05:30
Fabian Reinartz fb5c5535fc Misc cleanup 2017-05-18 16:38:45 +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 778103b450 Add liecence file and headers 2017-04-10 20:59:45 +02:00
Fabian Reinartz 10c7c9acbe Adjust import names to new repository organisation 2017-04-04 11:27:26 +02:00
Fabian Reinartz ad5812d83a Handle WAL corruption by truncating 
This adds handling for various corruption scenarios of the WAL.
If corruption is encountered, we truncate the WAL after the last valid
entry transparently and continue appending after the offset.
 2017-03-15 11:16:16 +01:00
Fabian Reinartz d3edfb5540 Test multiple full write/restore cylcles in WAL 2017-03-08 21:02:08 +01:00
Fabian Reinartz 9c7a88223e Add full encode/decode WAL cycle test 2017-02-14 21:55:50 -08:00
Fabian Reinartz 2c97428a79 Add basic WAL tests 2017-02-14 16:12:56 -08:00
Fabian Reinartz 9ddbd64d00 Move stats into meta.json file, cleanup, docs 2017-01-19 11:22:47 +01:00
Fabian Reinartz 2f02f86b62 Fix WAL tests 2017-01-19 08:48:11 +01:00
Fabian Reinartz 1943f8d1bb Fix head block stats races 2017-01-07 18:02:17 +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 7280533c42 Add basic shard metrics 2016-12-31 09:48:49 +01:00
Fabian Reinartz 8aba95048a Rename to OpenHeadBlock 2016-12-22 20:00:24 +01:00
Fabian Reinartz 1dde3b6d31 Add WAL decoder+loading and benchmarks 2016-12-22 15:18:33 +01:00