prometheus

Commit Graph

Author	SHA1	Message	Date
Matt T. Proud	2c3df44af6	Ensure database access waits until it is started. This commit introduces a channel message to ensure serving state has been reached with the storage stack before anything attempts to use it.	12 years ago
Julius Volz	51689d965d	Add debug timers to instant and range queries. This adds timers around several query-relevant code blocks. For now, the query timer stats are only logged for queries initiated through the UI. In other cases (rule evaluations), the stats are simply thrown away. My hope is that this helps us understand where queries spend time, especially in cases where they sometimes hang for unusual amounts of time.	12 years ago
Julius Volz	adb87816f4	Put RuleManager concurrency in hands of caller, fix races.	12 years ago
Julius Volz	138334fb31	Fix handling of negative deltas for non-counter values.	12 years ago
Julius Volz	66d4620061	Don't assume delta has at least one sample per vector element.	12 years ago
Julius Volz	21c3be0814	Skip any empty range/boundary elements, not only nil ones.	12 years ago
Matt T. Proud	c10780c966	Introduce telemetry for rule evaluator durations. This commit adds telemetry for the Prometheus expression rule evaluator, which will enable meta-Prometheus monitoring of customers to ensure that no instance is falling behind in answering routine queries. A few other sundry simplifications are introduced, too.	12 years ago
Julius Volz	750f862d9a	Use GetBoundaryValues() for non-counter deltas.	12 years ago
Julius Volz	5b105c77fc	Repointerize fingerprints.	12 years ago
Matt T. Proud	8f4c7ece92	Destroy naked returns in half of corpus. The use of naked return values is frowned upon. This is the first of two bulk updates to remove them.	12 years ago
Bernerd Schaefer	63d9988b9c	Drop unused writeMemoryInterval	12 years ago
Bernerd Schaefer	aa96c7d141	Fix rules_test.go This is smelly, but for now we copy a helper method from the metric tests into rules.	12 years ago
Julius Volz	83c60ad43a	Fix GetMetricForFingerprint() metric mutability. Some users of GetMetricForFingerprint() end up modifying the returned metric labelset. Since the memory storage's implementation of GetMetricForFingerprint() returned a pointer to the metric (and maps are reference types anyways), the external mutation propagated back into the memory storage. The fix is to make a copy of the metric before returning it.	12 years ago
Bernerd Schaefer	428d91c86f	Rename test helper files to helpers_test.go This ensures that these files are properly included only in testing.	12 years ago
Matt T. Proud	244a4a9cdb	Update to go1.1. This commit updates the documentation, Makefiles, formatting, and code semantics to support the 1.1. runtime, which includes ... 1. ``make advice``, 2. ``make format``, and 3. ``go fix`` on various targets.	12 years ago
Matt T. Proud	161c8fbf9b	Include deletion processor for long-tail values. This commit extracts the model.Values truncation behavior into the actual tiered storage, which uses it and behaves in a peculiar way—notably the retention of previous elements if the chunk were to ever go empty. This is done to enable interpolation between sparse sample values in the evaluation cycle. Nothing necessarily new here—just an extraction. Now, the model.Values TruncateBefore functionality would do what a user would expect without any surprises, which is required for the DeletionProcessor, which may decide to split a large chunk in two if it determines that the chunk contains the cut-off time.	12 years ago
Julius Volz	0877680761	Implement a COUNT ... BY aggregation operator. This also removes the now obsolete scalar count() function and corrects the expressions test naming (broken in `2202cd71c9 (L6R59)`) so that the expression tests will actually run.	12 years ago
Julius Volz	56324d8ce2	Make AST query storage non-global.	12 years ago
Matt T. Proud	ce45787dbf	Storage interface to TieredStorage. This commit drops the Storage interface and just replaces it with a publicized TieredStorage type. Storage had been anticipated to be used as a wrapper for testability but just was not used due to practicality. Merely overengineered. My bad. Anyway, we will eventually instantiate the TieredStorage dependencies in main.go and pass them in for more intelligent lifecycle management. These changes will pave the way for managing the curators without Law of Demeter violations.	12 years ago
Julius Volz	9cea5d9df8	Convert the Prometheus configuration to protocol buffers.	12 years ago
Julius Volz	d8110fcd9c	Send sample arrays instead of single samples over channels.	12 years ago
Julius Volz	dcf2e82752	Cleanup and idiomaticize rule/expression dot graph output.	12 years ago
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.	12 years ago
Julius Volz	2202cd71c9	Track alerts over time and write out alert timeseries.	12 years ago
Julius Volz	c0601abf46	Implement initial no-op alert parsing and rule parsing tests.	12 years ago
Matt T. Proud	f9e99bd08a	Refresh SampleValue to 64-bit floating point. We always knew that this needed to be fixed.	12 years ago
Julius Volz	99dcbe0f94	Integrate memory and disk layers in view rendering.	12 years ago
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.	12 years ago
Julius Volz	1eb586db7d	Fix rule evaluation closure.	12 years ago
Julius Volz	5f5ea03105	Run "make format".	12 years ago
Julius Volz	1cff4f3d91	Fix rate() per-second adjustment. This got broken during the depointerization of the Vector type.	12 years ago
Julius Volz	d53b8cf956	Correct delta()/rate() intervals and temporal aliasing.	12 years ago
Julius Volz	000f6a2e23	Allow lower-case BY operator.	12 years ago
Julius Volz	a0d311c9e6	Constantize job name label.	12 years ago
Julius Volz	1bc83e1b65	Also allow lower-cased aggregation ops.	12 years ago
Julius Volz	9a81b9838f	Make expression parser goroutine-safe. See https://github.com/prometheus/prometheus/issues/127	12 years ago
Julius Volz	6cb3c51d24	Add sort() and sort_desc() expression language functions.	12 years ago
Julius Volz	c4d0969c00	Propagate more errors during rule evaluation.	12 years ago
Julius Volz	e31591e6fe	Allow single-letter identifiers (metric and label names).	12 years ago
Julius Volz	ec413459fa	Depointerize Matrix/Vector types as well as time.Time arguments.	12 years ago
Julius Volz	676845afaf	Implement sample interpolation in query layer.	12 years ago
Matt T. Proud	c53a72a894	Test data for the curator.	12 years ago
Matt T. Proud	8e15a4282f	Test data for the curator.	12 years ago
Julius Volz	542bb6748e	Eliminate need to get fingerprints during query execution time.	12 years ago
Julius Volz	b836066c71	Eliminate need to get fingerprints during query execution time.	12 years ago
Julius Volz	55ca65aa6e	More userfriendly output when we fail to create the tiered storage.	12 years ago
Matt T. Proud	b86b0ea41a	Create temporary directory handler.	12 years ago
Julius Volz	2b8f0b2cc7	Constantize metric name label name.	12 years ago
Julius Volz	3880a86c9c	In case of empty query results, return an empty matrix.	12 years ago
Julius Volz	8e4c5b0cea	Use AST query analyzer and views with tiered storage.	12 years ago

1 2

92 Commits (558281890bfe8dcc8317c2046d3b20d494630331)