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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
juliusv 619aa97025 Only close rule file if it could be opened. 2013-01-25 03:32:46 +01:00
Julius Volz a85204a0a4 Add support for matrix duration strings without quotes. 2013-01-22 02:27:26 +01:00
Julius Volz 1760d927c8 Add error propagation to web UI via special JSON error type. 2013-01-22 02:27:26 +01:00
Julius Volz 49c87348b5 Implement per-second rate behavior for rate(). 2013-01-22 02:27:26 +01:00
Julius Volz 93670aa129 Return API errors in JSON format. 2013-01-22 02:27:26 +01:00
Julius Volz a20bf35997 Fix whitespace with "make format". 2013-01-22 02:27:26 +01:00
Julius Volz c21450a089 Use correct label name for metric name in rule. 2013-01-22 02:27:26 +01:00
Julius Volz 6929c10acf Add case-statement for OR, which still needs to be implemented. 2013-01-22 02:27:26 +01:00
Julius Volz a555ded2b3 Add "w" (weeks) as a valid timeunit. 2013-01-22 02:27:26 +01:00
Julius Volz 2c8595f96e First graphing support. 2013-01-22 02:27:26 +01:00
Matt T. Proud efe61c18fa Refactor target scheduling to separate facility. 
``Target`` will be refactored down the road to support various
nuanced endpoint types.  Thusly incorporating the scheduling
behavior within it will be problematic.  To that end, the scheduling
behavior has been moved into a separate assistance type to improve
conciseness and testability.

``make format`` was also run.
 2013-01-13 10:43:37 +01:00
Julius Volz cb6eb30182 Fix state cleanup bug between rule/config parser runs. 
This fixes a bug that has been annoying me minorly for some time now:
sometimes, after parse errors, a subsequent parser run would fail.  The reason
is that yylex() modifies some global variables (yytext, yydata) during its run
to keep state. To make subsequent parser runs correct, these have to be reset
before each run.

Also, close files after reading them.
 2013-01-12 02:35:40 +01:00
Julius Volz 17a4a442b3 Add REST API, expression browser, and text/JSON output formats. 2013-01-11 02:27:03 +01:00
Julius Volz 06162180ad Implement matrix range and boundary fetching from metrics store. 2013-01-11 01:19:27 +01:00
Julius Volz 483bd81a44 Allow grammar to parse both rules and single expressions. 2013-01-11 01:17:37 +01:00
Julius Volz c52b959fda Fix matrix interval time calculation. 2013-01-11 01:12:34 +01:00
Julius Volz fdf9a3aab7 Fix node type checks in arithmetic expressions. 2013-01-11 01:09:31 +01:00
Julius Volz c4a2358551 Set correct interval in MatrixLiteral.Eval(). 2013-01-11 01:08:47 +01:00
Julius Volz 429b66019c Exclude metric name in vector arithmetric label matching. 2013-01-11 01:07:48 +01:00
Julius Volz 56384bf42a Add initial config and rule language implementation. 2013-01-07 23:43:36 +01:00