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214 commits

Author SHA1 Message Date
Goutham Veeramachaneni 30bbbe34f8
Merge pull request #210 from Gouthamve/tomb-clean 
Add a function to cleanup tombstones.
 2017-11-30 15:28:01 +05:30
Goutham Veeramachaneni f35e9c7fec
Merge branch 'master' into fix-dels 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-11-30 13:30:13 +05:30
Goutham Veeramachaneni 8a5ea9db74
Merge branch 'master' into tomb-clean 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-11-30 13:15:23 +05:30
Goutham Veeramachaneni e7445d00b0
Add a function to cleanup tombstones. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-11-27 20:03:37 +05:30
Fabian Reinartz ad3c4849a9
Merge pull request #212 from prometheus/fabxc 
Cleanup, small refactoring, expose a few things
 2017-11-23 18:41:24 +01:00
Goutham Veeramachaneni 41fd9c66ef
Close the retention blocks before deleting them. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-11-23 18:57:10 +05:30
Goutham Veeramachaneni 1627a47640
A copy is being assigned newChunk not the original 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-11-22 17:58:06 +05:30
Fabian Reinartz a031cf7424 Return ULID in Compactor 2017-11-14 15:25:30 +01:00
zhangjun3 65e6b79a7c fix typing 2017-11-13 13:10:23 +08:00
Julius Volz 1dad3370fd Close WAL when closing the DB 
Also, the `wal` field of the `DB` was not used anywhere, so this removes
it.
 2017-11-11 14:56:23 +01:00
Tobias Schmidt 5170198276 Fix typo in prometheus_tsdb_reloads_failures_total description 2017-11-09 14:25:27 +01:00
Fabian Reinartz d226411a2a db: delete old blocks during reload 
Windows requires blocks to be closed before deleting their directories.
This adds a set of deleteable blocks to reload(), which then deletes
them without causing disruption to querying.
 2017-11-03 20:41:24 +01:00
Your Name 4a4a706234 close blocks which will be remove 2017-11-02 00:30:19 +08:00
Fabian Reinartz d109149d17 Merge pull request #186 from prometheus/closeallblocks 
Ensure readers are closed on setup failure.
 2017-10-25 09:31:06 +02:00
Fabian Reinartz f8e88bfdb7 Close previous block queriers on error 
This ensures we close all previously opened queriers if on of the block
querier fails to open.
Also swap in new blocks before closing old ones to avoid the situation
in general. Make read locking of blocks more conservative to avoid
unnecessary retries by clients, e.g. when blocks are getting closed
before we can successfully instantiate querier against them.
 2017-10-23 21:56:12 +02:00
Fabian Reinartz d17104f1f0 Prefix all metrics with prometheus_* 2017-10-20 12:32:32 +02:00
Fabian Reinartz fb9da52b11 Add more verbose error handling for closing, reduce locking 
This commit introduces error returns in various places and is explicit
about closing persisted blocks.
{Index,Chunk,Tombstone}Readers are more consistent about their Close()
method. Whenever a reader is retrieved, the corresponding close method
must eventually be called. We use this to track pending readers against
persisted blocks.

Querier's against the DB no longer hold a read lock for their entire
lifecycle. This avoids long running queriers to starve new ones when we
have to acquire a write lock when reloading blocks.
 2017-10-10 12:13:37 +02:00
Fabian Reinartz 27f1b8aac3 Merge pull request #162 from BasPH/fsync-duration 
Instrument WAL fsync
 2017-10-05 08:18:36 +02:00
Bas Harenslak 5e1c258a98 Instrument WAL fsync 2017-10-04 22:17:02 +02:00
Goutham Veeramachaneni da565f975e Merge pull request #161 from prometheus/fileutil 
Remove dependency on etcd/pkg/fileutil
 2017-10-04 17:08:54 +05:30
Fabian Reinartz bbe72dccb9 Remove dependency on etcd/pkg/fileutil 2017-10-04 10:23:41 +02:00
Dimitrij Denissenko 83c984d9a3 Use configurable WAL flush inteval 2017-10-03 11:35:38 +01:00
Fabian Reinartz e19b648377 Merge pull request #155 from Gouthamve/level-log 
Add levels to all log lines.
 2017-10-02 16:34:49 +02:00
Goutham Veeramachaneni c35d3a65bd
Add levels to all log lines. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-28 12:49:34 +05:30
Thibault Chataigner 0ff8f91ec8 Add db.Head() method 
Signed-off-by: Thibault Chataigner <t.chataigner@criteo.com>
 2017-09-25 16:45:24 +02:00
Thibault Chataigner 5ca18837e9 Make DB blocks list public. 
This enable computing the first timestamp in the DB
only accessing public interfaces.

Signed-off-by: Thibault Chataigner <t.chataigner@criteo.com>
 2017-09-21 11:56:12 +02:00
Goutham Veeramachaneni 8919baef03
Expose NewIndexReader() and cleanups 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-13 13:47:20 +05:30
Fabian Reinartz f904cd385f Do not build a superflous 'all' postings 2017-09-08 18:41:43 +02:00
Fabian Reinartz 81222849bc Filter WAL data in Head, misc fixes 2017-09-06 16:20:37 +02:00
Fabian Reinartz c36d574290 Replace single head lock with granular locks 
This adds various new locks to replace the single big lock on
the head. All parts now must be COW as they may be held by clients
after initial retrieval.
Series by ID and hashes are now held in a stripe lock to reduce
contention and total holding time during GC. This should reduce
starvation of readers.
 2017-09-05 14:41:39 +02:00
Fabian Reinartz af2c2f9674 Re-enable head block delet test 2017-09-04 15:07:30 +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 893b6ec506 Add tests for GC and chunk truncation 2017-09-01 14:38:49 +02:00
Fabian Reinartz 4cc37eecab Refactor and add tests for compactor 2017-09-01 11:50:58 +02:00
Fabian Reinartz 5cf2662074 Refactor WAL into Head and misc improvements 2017-09-01 11:50:58 +02:00
Fabian Reinartz 8209e3ec23 Add various metrics 2017-09-01 11:50:58 +02:00
Fabian Reinartz 3901b6e70b Remove multiple heads 
This changes the structure to a single WAL backed by a single head
block.
Parts of the head block can be compacted. This relieves us from any head
amangement and greatly simplifies any consistency and isolation concerns
by just having a single head.
 2017-09-01 11:50:58 +02:00
Andreas Kohn 4003da0fdd
Log the directory when the WAL cannot be opened 
Fixes #125
 2017-08-22 11:17:07 +02:00
Fabian Reinartz 905af27cf9 Refactor compactor 2017-08-09 11:10:29 +02:00
Fabian Reinartz 66ff7b12e9 Pool Chunk objects during compaction 2017-08-08 17:35:34 +02:00
Fabian Reinartz fa04455cd7 Properly detect compactable heads 
The fullness of the wrong head was being tracked, causing wrong
lists of compactable heads.
 2017-08-03 13:58:11 +02:00
tianwenjie01 b64054365d Fix DefaultOptions 2017-07-18 17:42:58 +08:00
Fabian Reinartz 74f67e8271 Fix compacting disable/enable 
Enabling and disabling compaction no longer blocks are potentially
causes panics.
 2017-07-14 10:08:05 +02:00
Fabian Reinartz 3065be97d8 Fix and document locking order for DB 2017-07-14 09:00:22 +02:00
Fabian Reinartz 9c4235532e Fix compaction selection after creating new heads 
This fixes the case where between block creations no compaction
plans are ran. We were not compacting anything in these
cases since the on creation the most recent head block always had
a high timestamp of 0.
 2017-07-13 16:15:13 +02:00
Goutham Veeramachaneni 7b9c536883 Merge pull request #103 from Gouthamve/block-ranges 
Compaction implementation for block-ranges
 2017-07-12 17:32:49 +02:00
Goutham Veeramachaneni 9a2ab732b5 Choose ranges by retention and min-block-duration 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 17:30:34 +02:00
Goutham Veeramachaneni f1ae239c20 Persist the right MaxTime when snapshotting 
This is because we cut a new block from where the snapshotted block ends
if we restore from backups and highTimestamp would be where we should be
 starting from.

Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-12 13:48:13 +02:00
Goutham Veeramachaneni ce23adb579 Initial compaction implementation for block-ranges 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-07-07 16:32:18 +02:00
Fabian Reinartz 1e74c155eb Return empty string to signal non-caching 2017-06-26 14:58:00 +02:00