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26 commits

Author SHA1 Message Date
Fabian Reinartz 869cccf080 Test and fixes for buffered iterator 2016-12-21 16:06:33 +01:00
Fabian Reinartz 0a94f58f1a Fix test import of labels, simplify constructor names 2016-12-21 15:12:26 +01:00
Fabian Reinartz da2beb3e6d Fix zero division, add buffer series iterator 2016-12-21 13:04:51 +01:00
Fabian Reinartz ede733ab6c Extract labels package 2016-12-21 09:39:01 +01:00
Fabian Reinartz cddc29fa17 Fix labels comparison, fetch correct labels 2016-12-20 14:54:52 +01:00
Fabian Reinartz ce7f4106c2 Reda correct label number, fix buffered iterator panic 2016-12-20 14:21:50 +01:00
Fabian Reinartz d9ca4b47f5 Fix offset errors, fix persisted postings order 2016-12-20 13:14:55 +01:00
Fabian Reinartz 282d9ae6e2 Implement label value queries in all layers. 2016-12-19 12:26:25 +01:00
Fabian Reinartz aabb21f4b9 Add shard series set test 2016-12-19 11:44:11 +01:00
Fabian Reinartz b08f82fa4e Pre-select relevant chunks on series access. 
This adds interval metadata to indexed chunks. The queried interval
is used to filter chunks when queried from the index to save
unnecessary accesses of the chunks file.

This is especially relevant for series that come and go often and larger
files.
 2016-12-16 12:13:17 +01:00
Fabian Reinartz bd77103a49 Add stats serialization, load querier of all blocks 2016-12-15 16:14:33 +01:00
Fabian Reinartz 1a35e54450 Add chained iterator, skipping seek added 2016-12-15 15:23:15 +01:00
Fabian Reinartz 5424a0cf75 Rename SeriesShard to Shard 2016-12-15 08:36:09 +01:00
Fabian Reinartz d56b281006 Rename Iterator to Postings 2016-12-15 07:05:29 +01:00
Fabian Reinartz c1acd3fe85 Advance buffered iterator correctly on seek 2016-12-14 21:43:27 +01:00
Fabian Reinartz e561c91d53 Implement proper buffered iterator 
This adds a proper duration based lookback buffer for series iterators
to allow advancing sequentially while remaining able to calculate time
aggregating functions such as `rate` backwards.

It uses an array ring buffer to minimize heap allocations for
potentially hundreds of thousands of series for a single query.
 2016-12-14 21:14:44 +01:00
Fabian Reinartz ca89080128 Misc fixes for initial Prometheus integration 2016-12-14 18:38:46 +01:00
Fabian Reinartz 725385ea05 Fix compareLabels, add test 2016-12-14 15:47:05 +01:00
Fabian Reinartz fc992fafc2 Change querier interface, initial implementations 2016-12-14 15:39:23 +01:00
Fabian Reinartz 6eeb0ef01c Add queriers and partial mocks 2016-12-13 15:26:58 +01:00
Fabian Reinartz 9b400b4c58 Add chunk based series iterator 2016-12-12 19:12:55 +01:00
Fabian Reinartz b334c3ade8 Write chunk skiplist and add series reader 2016-12-12 15:39:55 +01:00
Fabian Reinartz 14dbc59f2b cleanup and switching removal of unsafe calls. 2016-12-10 18:09:57 +01:00
Fabian Reinartz 6f93a699e6 wipe 2016-12-02 17:49:05 +01:00
Fabian Reinartz 3ad4db56aa Remove Prometheus internal metric type from interface 2016-11-15 11:43:34 +01:00
Fabian Reinartz f9f11c4a08 Add main db implementation 2016-11-15 10:34:25 +01:00