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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
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.gitignore	Spin up curator run in the tests.	12 years ago
curator.go	Implement batch database sample curator.	12 years ago
end_to_end_test.go	Make view use memory persistence, remove obsolete code.	12 years ago
frontier.go	Implement batch database sample curator.	12 years ago
instrumentation.go	Implement batch database sample curator.	12 years ago
interface.go	Integrate memory and disk layers in view rendering.	12 years ago
interface_test.go	Checkpoint.	12 years ago
leveldb.go	Implement batch database sample curator.	12 years ago
memory.go	Integrate memory and disk layers in view rendering.	12 years ago
operation.go	Integrate memory and disk layers in view rendering.	12 years ago
operation_test.go	Integrate memory and disk layers in view rendering.	12 years ago
processor.go	Implement batch database sample curator.	12 years ago
processor_test.go	Implement batch database sample curator.	12 years ago
regressions_test.go	Constantize metric name label name.	12 years ago
rule_integration_test.go	Convert trailing float64s.	12 years ago
scanjob.go	Checkpoint.	12 years ago
stochastic_test.go	Extract dto.SampleValueSeries into model.Values.	12 years ago
test_helper.go	Track alerts over time and write out alert timeseries.	12 years ago
tiered.go	Close of reportTicker to exit goroutine.	12 years ago
tiered_test.go	Track alerts over time and write out alert timeseries.	12 years ago
view.go	Make view use memory persistence, remove obsolete code.	12 years ago
view_test.go	Make view use memory persistence, remove obsolete code.	12 years ago