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Author SHA1 Message Date
Goutham Veeramachaneni 87c01dd5fb Merge pull request #134 from criteo-forks/master 
Expose `Blocks()` on DB
 2017-09-25 17:41:25 +05:30
Fabian Reinartz 69f105f4f9 Merge pull request #151 from prometheus/waltrunc 
Use boolean function instead of postings to drop WAL series
 2017-09-21 15:04:43 +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
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
Fabian Reinartz 5fa1c993b9 Merge pull request #150 from prometheus/postingssort 
Ensure postings are always sorted
 2017-09-21 09:37:31 +02:00
Fabian Reinartz 6ee254e353 Ensure postings are always sorted 
IDs for new series are handed out before the postings are locked. Thus
series are not indexed in order of their IDs, which could result in only
partially sorted postings list.
Iterating over those silently skipped elements as the sort invariant was
violated.
 2017-09-21 09:38:18 +02:00
Goutham Veeramachaneni f39388c9af Merge pull request #147 from prometheus/deadlock 
Simplify series create logc in head
 2017-09-19 19:11:53 +05:30
Fabian Reinartz 162a48e4f2 Create series with ID recorded in WAL when reading it back 2017-09-19 11:31:16 +02:00
Fabian Reinartz 7ada9cd805 Simplify series create logic in head 2017-09-18 12:38:39 +02:00
Goutham Veeramachaneni 2187388292 Merge pull request #146 from prometheus/deadlock 
Add missing unlock on early return
 2017-09-18 15:02:32 +05:30
Fabian Reinartz ab8d9b9706 Add missing unlock on early return 2017-09-18 11:23:22 +02:00
Fabian Reinartz 99d39174f6 Merge branch 'master' of github.com:prometheus/tsdb 2017-09-18 11:20:45 +02:00
Fabian Reinartz 8214dc82a7 Remove infinite block in benchmark 2017-09-18 11:20:25 +02:00
Fabian Reinartz 643563068b Merge pull request #144 from Gouthamve/misc- 
Expose NewIndexReader() and cleanups
 2017-09-13 10:23:07 +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 e45bb1d328 Merge pull request #142 from krasi-georgiev/107-swap-cobra-with-kingpin 
replaced cobra with kingpin for the tsdb cli tool
 2017-09-12 19:28:35 +02:00
Fabian Reinartz 3870ec285c Merge pull request #140 from prometheus/locks 
Fix various races
 2017-09-11 10:41:33 +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 30d29b889c Merge pull request #141 from prometheus/dectmpstr 
Fixup allocation regression during compaction
 2017-09-11 10:06:49 +02:00
Fabian Reinartz bfe75cec35 Merge pull request #138 from Gouthamve/chunk-compress 
Compress the series chunk details in index.
 2017-09-11 10:01:42 +02:00
Krasi Georgiev 92d0414993 replaced cobra with kingpin 
Signed-off-by: Krasi Georgiev <krasi.root@gmail.com>
 2017-09-10 12:35:02 +03:00
Fabian Reinartz b09d90c79c Add decoding method to retrieve unsafe strings 
When decoding data from mmaped blocks, we would like to retrieve
a string backed by the mmaped region. As the underlying byte slice
never changes, this is safe.
 2017-09-08 18:41:43 +02:00
Fabian Reinartz f904cd385f Do not build a superflous 'all' postings 2017-09-08 18:41:43 +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
Goutham Veeramachaneni afaf12fe45
Compress the series chunk details in index. 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-09-08 20:25:19 +05:30
Fabian Reinartz 1d5f85817d Fix various races 2017-09-08 08:48:19 +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 81222849bc Filter WAL data in Head, misc fixes 2017-09-06 16:20:37 +02:00
Fabian Reinartz 33e9bdf403 WAL refactoring and truncation fixes and test 2017-09-06 14:59:25 +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 1ddedf2b30 Change series ID from uint32 to uint64 2017-09-04 16:08:38 +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 9f41d9fd3c Instrument chunks on level 1 compactions 2017-09-01 16:10:10 +02:00
Fabian Reinartz 893b6ec506 Add tests for GC and chunk truncation 2017-09-01 14:38:49 +02:00
Fabian Reinartz 4f037da462 Remove defer statement in hot path 2017-09-01 12:09:29 +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
Fabian Reinartz 0fe67df9f2 Merge pull request #135 from alin-amana/fix_eval_blocking_on_fsync 
Don't do blocking disk I/O under mutex blocking scrape and eval
 2017-09-01 11:49:25 +02:00
Alin Sinpalean 8f7934d025 Take the fdatasync() syscall out from under mutex lock to (mostly) avoid scrape and eval from blocking on disk I/O. 2017-09-01 09:45:54 +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
Fabian Reinartz 1b86bbb48a Merge pull request #130 from mdlayher/crc32-once 
Add newCRC32 function to simplify hash initialization
 2017-08-26 18:18:48 +02:00
Matt Layher 78b15c3434
Add newCRC32 function to simplify hash initialization 2017-08-26 12:04:00 -04:00
Goutham Veeramachaneni e2e2947ee8 Merge pull request #128 from Gouthamve/expose-types 
Expose types for easier interface implementations.
 2017-08-25 21:29:53 +05:30
Goutham Veeramachaneni c463b0c8c8
Expose NewMergedSeriesSet for merging SeriesSets 
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>
 2017-08-25 19:36:24 +05:30