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70 Commits

Author SHA1 Message Date
Julius Volz
d8110fcd9c Send sample arrays instead of single samples over channels. 2013-04-29 17:24:17 +02:00
Julius Volz
dcf2e82752 Cleanup and idiomaticize rule/expression dot graph output. 2013-04-29 12:57:34 +02:00
Matt T. Proud
b3e34c6658 Implement batch database sample curator. 
This commit introduces to Prometheus a batch database sample curator,
which corroborates the high watermarks for sample series against the
curation watermark table to see whether a curator of a given type
needs to be run.

The curator is an abstract executor, which runs various curation
strategies across the database.  It remarks the progress for each
type of curation processor that runs for a given sample series.

A curation procesor is responsible for effectuating the underlying
batch changes that are request.  In this commit, we introduce the
CompactionProcessor, which takes several bits of runtime metadata and
combine sparse sample entries in the database together to form larger
groups.  For instance, for a given series it would be possible to
have the curator effectuate the following grouping:

- Samples Older than Two Weeks: Grouped into Bunches of 10000
- Samples Older than One Week: Grouped into Bunches of 1000
- Samples Older than One Day: Grouped into Bunches of 100
- Samples Older than One Hour: Grouped into Bunches of 10

The benefits hereof of such a compaction are 1. a smaller search
space in the database keyspace, 2. better employment of compression
for repetious values, and 3. reduced seek times.
 2013-04-27 17:38:18 +02:00
Julius Volz
2202cd71c9 Track alerts over time and write out alert timeseries. 2013-04-26 14:35:21 +02:00
Julius Volz
c0601abf46 Implement initial no-op alert parsing and rule parsing tests. 2013-04-23 13:48:24 +02:00
Matt T. Proud
f9e99bd08a Refresh SampleValue to 64-bit floating point. 
We always knew that this needed to be fixed.
 2013-04-21 20:31:50 +02:00
Julius Volz
99dcbe0f94 Integrate memory and disk layers in view rendering. 2013-04-19 16:01:27 +02:00
Julius Volz
63625bd244 Make view use memory persistence, remove obsolete code. 
This makes the memory persistence the backing store for views and
adjusts the MetricPersistence interface accordingly. It also removes
unused Get* method implementations from the LevelDB persistence so they
don't need to be adapted to the new interface. In the future, we should
rethink these interfaces.

All staleness and interpolation handling is now removed from the storage
layer and will be handled only by the query layer in the future.
 2013-04-18 22:26:29 +02:00
Julius Volz
1eb586db7d Fix rule evaluation closure. 2013-04-17 15:11:21 +02:00
Julius Volz
5f5ea03105 Run "make format". 2013-04-16 17:23:59 +02:00
Julius Volz
1cff4f3d91 Fix rate() per-second adjustment. 
This got broken during the depointerization of the Vector type.
 2013-04-15 14:41:34 +02:00
juliusv
62f33f1fc2 Merge pull request #138 from prometheus/julius-fix-aliasing 
Correct delta()/rate() intervals and temporal aliasing.
 2013-04-15 05:38:48 -07:00
Matt T. Proud
167504efd6 Merge pull request #142 from prometheus/julius-lowercase-by 
Allow lower-case BY operator.
 2013-04-15 05:13:35 -07:00
Julius Volz
d53b8cf956 Correct delta()/rate() intervals and temporal aliasing. 2013-04-15 12:30:46 +02:00
Julius Volz
000f6a2e23 Allow lower-case BY operator. 2013-04-15 11:56:23 +02:00
Julius Volz
a0d311c9e6 Constantize job name label. 2013-04-15 11:47:54 +02:00
Julius Volz
1bc83e1b65 Also allow lower-cased aggregation ops. 2013-04-11 18:25:22 +02:00
juliusv
f9c291120f Merge pull request #123 from prometheus/julius-propagate-rule-errors 
Propagate more errors during rule evaluation.
 2013-04-11 06:38:33 -07:00
Julius Volz
9a81b9838f Make expression parser goroutine-safe. 
See https://github.com/prometheus/prometheus/issues/127
 2013-04-10 19:17:28 +02:00
Julius Volz
6cb3c51d24 Add sort() and sort_desc() expression language functions. 2013-04-10 18:05:45 +02:00
Julius Volz
c4d0969c00 Propagate more errors during rule evaluation. 2013-04-09 13:47:20 +02:00
Julius Volz
e31591e6fe Allow single-letter identifiers (metric and label names). 2013-03-28 18:37:54 +01:00
Julius Volz
ec413459fa Depointerize Matrix/Vector types as well as time.Time arguments. 2013-03-28 18:07:12 +01:00
Julius Volz
676845afaf Implement sample interpolation in query layer. 2013-03-28 16:41:51 +01:00
Matt T. Proud
c53a72a894 Test data for the curator. 2013-03-27 18:13:43 +01:00
Julius Volz
b836066c71 Eliminate need to get fingerprints during query execution time. 2013-03-27 14:42:03 +01:00
Julius Volz
55ca65aa6e More userfriendly output when we fail to create the tiered storage. 2013-03-27 11:25:05 +01:00
Matt T. Proud
c4e971d7d9 Merge pull request #101 from prometheus/refactor/test/directory-extraction 
Create temporary directory handler.
 2013-03-26 10:46:28 -07:00
Matt T. Proud
b86b0ea41a Create temporary directory handler. 2013-03-26 18:09:25 +01:00
Julius Volz
2b8f0b2cc7 Constantize metric name label name. 2013-03-26 16:20:23 +01:00
Julius Volz
3880a86c9c In case of empty query results, return an empty matrix. 2013-03-25 12:14:48 +01:00
Julius Volz
8e4c5b0cea Use AST query analyzer and views with tiered storage. 2013-03-21 18:16:52 +01:00
Julius Volz
2f814d0e6d AST persistence adapter simplifications after storage changes. 2013-03-21 18:11:03 +01:00
Julius Volz
6001d22f87 Change Get* methods to receive fingerprints instead of metrics. 2013-03-21 18:11:03 +01:00
Matt T. Proud
5959cd9e53 Include Julius' feedback. 2013-03-21 18:08:48 +01:00
Matt T. Proud
a70ee43ad3 Niladic `ToString() to idiomatic String()`. 2013-03-21 18:08:47 +01:00
Matt T. Proud
41068c2e84 Checkpoint. 2013-03-21 18:06:51 +01:00
Matt T. Proud
13ae29b304 Initial in-memory arena implementation. 
It is unbounded, and nothing uses it except for a gating flag in main.
 2013-02-18 09:38:14 -06:00
Julius Volz
c3d31febd6 Move durationToString to common place and cleanup error handling. 2013-02-14 19:02:23 +01:00
Matt T. Proud
efbe0e8a12 Interface simplification. 
GetMetricForFingerprint(model.Fingerprint) (*Metric, error) ->
GetMetricForFingerprint(model.Fingerprint) (Metric, error)
 2013-02-14 08:43:02 -08:00
Matt T. Proud
e8a733b525 Interface simplifications. 
GetFingerprintsForLabelSet ([]*Fingerprint, error) ->
GetFingerprintsForLabelSet ([]Fingerprint, error)
 2013-02-14 08:07:59 -08:00
Matt T. Proud
f03091b139 Interface simplifications: GetRangeValues 
From pointers to copies.
 2013-02-13 21:11:23 -08:00
Matt T. Proud
56f069b3ec Interface simplifications: GetValueAtTime(). 
Pointer arguments to copies.
 2013-02-13 21:05:01 -08:00
Matt T. Proud
900bb988c1 Simplifications of GetFingerprintsForLabelSet. 
``MetricPersistence.GetFingerprintsForLabelSet(s *model.LabelSet)`` ->
``MetricPersistence.GetFingerprintsForLabelSet(s model.LabelSet)``.
 2013-02-13 17:13:41 -08:00
Matt T. Proud
4fbcea73f5 MetricPersistence.AppendSample signature changes. 
``MetricPersistence.AppendSample(*model.Sample)`` -> ``MetricPersistence.AppendSample(model.Sample)``.
 2013-02-13 13:46:28 -08:00
Julius Volz
06ace4941d Remove/replace last references to github.com/matttproud/... 2013-02-07 14:32:18 +01:00
Julius Volz
16d9dcd6a8 Add copyright notices to all remaining files. 2013-02-07 11:49:04 +01:00
Julius Volz
d67e4b9131 Address outstanding comments from PR/47 and other cleanups. 2013-02-07 11:38:01 +01:00
Matt T. Proud
ea54751431 Update import paths to new location. 
This repository moved from matttproud/prometheus to
prometheus/prometheus, and all import paths need to be updated.
 2013-01-27 18:49:45 +01:00
Julius Volz
c049ae39af Cleanups to rules/persistence adapter code. 2013-01-25 12:22:55 +01:00