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285 commits

Author SHA1 Message Date
Aliaksandr Valialkin
d70ba7eb37 lib/fs: optimize small reads for ReaderAt.MustReadAt by reading from memory-mapped space instead of reading from file descriptor 
This should improve performance when reading many small blocks.
 2020-01-30 15:09:05 +02:00
Aliaksandr Valialkin
ad8af629bb all: rename ReadAt* to MustReadAt* in order to dont clash with io.ReaderAt 2020-01-30 15:08:58 +02:00
Aliaksandr Valialkin
d68546aa4a lib/storage: pre-fetch metricNames for the found metricIDs in Search.Init 
This should speed up Search.NextMetricBlock loop for big number of found time series.
 2020-01-30 15:08:51 +02:00
Aliaksandr Valialkin
5bb9ccb6bf lib/mergeset: properly update lastAccesstime in indexBlockCache entries 
This is a follow-up for 6665f10e7b
 2020-01-29 21:20:47 +02:00
Aliaksandr Valialkin
a462355b2f app/vmselect/promql: add keep_next_value(q) for filling gaps with the next non-empty value 2020-01-29 00:48:04 +02:00
Aliaksandr Valialkin
371e86194d app/vminsert: moved -maxInsertRequestSize command-line flag out of lib/prompb in order to prevent its inclusion in vmselect and vmstorage apps 2020-01-28 23:02:08 +02:00
Aliaksandr Valialkin
6caa9bb51b lib/logger: fix improperly set skipframes for all the logging functions 
The bug has been introduced in the previous commit f6baee6efe
 2020-01-26 18:34:27 +02:00
Aliaksandr Valialkin
f6baee6efe lib/httpserver: log the caller of httpserver.Errorf 
Previously log message contained `httpserver.Errorf`, not it contains the caller of `httpserver.Errorf`, which is more useful.
 2020-01-25 20:17:59 +02:00
Aliaksandr Valialkin
9df5b2d1c3 app/victoria-metrics: add -selfScrapeInterval flag for self-scraping /metrics page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/30
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/180
 2020-01-25 19:19:59 +02:00
Aliaksandr Valialkin
2a0a0ed14d lib/protoparser: add parser for Prometheus exposition text format 
This parser will be used by vmagent
 2020-01-24 20:11:02 +02:00
Aliaksandr Valialkin
6456c93dbb app/vminsert: move ingestion protocol parsers to lib/protoparser, so they could be re-used in the upcoming vmagent 2020-01-24 16:53:00 +02:00
Aliaksandr Valialkin
680080887d all: consistently log durations in seconds with millisecond precision 
This should improve logs readability
 2020-01-22 18:28:27 +02:00
Aliaksandr Valialkin
582dd01f42 app/vmselect/promql: add range_over_time(m[d]) function for calculating value range for m over d 2020-01-21 19:05:17 +02:00
Aliaksandr Valialkin
36973ee975 app/vmselect/promql: add label_match(q, label, regexp) and label_mismatch(q, label, regexp) functions for filtering out time series with labels matching the given regexp 2020-01-21 15:00:20 +02:00
Aliaksandr Valialkin
6665f10e7b lib/{mergeset,storage}: properly update lastAccessTime in index and data block cache entries 2020-01-20 14:59:47 +02:00
Aliaksandr Valialkin
257e61195a lib/uint64set: add missing bucket32.b16his values 2020-01-18 14:26:04 +02:00
Aliaksandr Valialkin
4cc0c44b9e lib/uint64set: optimize Set.Union 
This should improve performance for queries over big number of time series
 2020-01-18 13:47:03 +02:00
Aliaksandr Valialkin
1b5f02e293 lib/uint64set: add benchmarks for Set.Union 2020-01-18 13:47:02 +02:00
Aliaksandr Valialkin
3748fb24b6 lib/storage: skip recovering timestamps order for lossless compression (PrecisionBits=64) 2020-01-18 00:09:33 +02:00
Aliaksandr Valialkin
c9472e4f3a all: use github.com/klauspost/compress/gzip instead of compress/gzip 
`github.com/klauspost/compress/gzip` is more optimized than `compress/gzip`.
This gives better gzip compression and decompression speeds.
 2020-01-17 23:58:46 +02:00
Aliaksandr Valialkin
bc0f897fcb lib/uint64set: reduce memory allocations in Set.AppendTo 2020-01-17 22:33:09 +02:00
Aliaksandr Valialkin
f9289b804a lib/storage: reduce memory allocations when merging metricID sets 2020-01-17 22:10:44 +02:00
Aliaksandr Valialkin
0c8ad08578 lib/uint64set: typo fix in Set.Intersect 2020-01-17 18:10:58 +02:00
Aliaksandr Valialkin
9f027ec176 lib/uint64set: optimize Intersect, Subtract and Union functions 
This should improve performance for queries over big number of time series.
 2020-01-17 16:11:49 +02:00
Aliaksandr Valialkin
cd53f7d177 lib/uint64set: improve benchmark for Set.Intersect 2020-01-17 16:08:17 +02:00
Aliaksandr Valialkin
8dbf430469 lib/uint64set: add benchmark for Set.Intersect 2020-01-17 00:31:07 +02:00
Aliaksandr Valialkin
0d7505b00e all: mention command-line flags used for limiting the incoming request size in error messages 
This should improve error logs usability.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/287
 2020-01-16 13:03:30 +02:00
Aliaksandr Valialkin
605d588ba6 lib/uint64set: reduce memory usage in Union, Intersect and Subtract methods 
Iterate items with newly added Set.ForEach method instead of allocating `[]uint64`
slice for all the items before the iteration.
 2020-01-15 12:12:49 +02:00
Aliaksandr Valialkin
893b62c682 lib/{mergeset,storage}: fix uint64 counters alignment for 32-bit architectures (GOARCH=386, GOARCH=arm) 2020-01-14 22:47:04 +02:00
Aliaksandr Valialkin
7830c10eb2 lib/{storage,mergeset}: gradually remove stale entries from block cache and index caches 
This should reduce memory usage in the long run when old blocks and indexes
aren't accessed anymore.
 2020-01-14 21:38:44 +02:00
Aliaksandr Valialkin
8b14572f70 app/vmselect/promql: add hoeffding_bound_upper(phi, m[d]) and hoeffding_bound_lower(phi, m[d]) functions 
These functions can be used for calculating Hoeffding bounds
for `m` over `d` time range and for the given `phi` in the range `[0..1]`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/283
 2020-01-11 14:46:23 +02:00
Aliaksandr Valialkin
164278151f app/vmselect/promql: add aggr_over_time(("aggr_func1", "aggr_func2", ...), m[d]) function 
This function can be used for simultaneous calculating of multiple `aggr_func*` functions
that accept range vector. For example, `aggr_over_time(("min_over_time", "max_over_time"), m[d])`
would calculate `min_over_time` and `max_over_time` for `m[d]`.
 2020-01-10 21:18:06 +02:00
Aliaksandr Valialkin
c4632faa9d app/vmselect/promql: add tmin_over_time(m[d]) and tmax_over_time(m[d]) functions 
These functions return timestamp in seconds for the minimum and maximum value for `m` over time range `d`
 2020-01-10 19:39:28 +02:00
Aliaksandr Valialkin
b8038a14e7 lib/backup/s3remote: check whether the file exists before deleting it 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/284
 2020-01-09 23:20:31 +02:00
Aliaksandr Valialkin
f358fb72d1 app/{vmbackup,vmrestore}: add backup complete file to backup when it is complete and check for this file before restoring from backup 
This should prevent from restoring from incomplete backups.

Add `-skipBackupCompleteCheck` command-line flag to `vmrestore` in order to be able restoring from old backups without `backup complete` file.
 2020-01-09 15:35:38 +02:00
Aliaksandr Valialkin
fc71602039 lib/storage: limit maxRaRowsPerPartition by 500K for any number of rawRowsShardsPerPartition 
This should reduce write amplification for high ingestion rate on multi-CPU systems
 2020-01-04 23:57:31 +02:00
Aliaksandr Valialkin
d9c4ac9978 lib/metricsql: export IsRollupFunc and IsTransformFunc, since they can be used by package users 2020-01-04 13:25:05 +02:00
Aliaksandr Valialkin
f409f2d050 app/vmselect/promql: add histogram_share(le, buckets) function 2020-01-04 12:45:55 +02:00
Aliaksandr Valialkin
b1ded7cf9a app/vmselect/promql: add absent_over_time(m[d]) func similar to the function in Prometheus 2.16 
See https://github.com/prometheus/prometheus/issues/2882
 2020-01-04 12:45:07 +02:00
Aliaksandr Valialkin
a8360d04c0 app/vmselect/promql: add histogram_over_time(m[d]) rollup function 2020-01-04 12:44:56 +02:00
Aliaksandr Valialkin
695682232f lib/uint64set: reduce memory usage when storing big number of sparse metric_id values 2020-01-03 18:16:44 +02:00
Aliaksandr Valialkin
cb3a342882 app/vmselect/promql: add share_le_over_time and share_gt_over_time functions for SLI and SLO calculations 2020-01-03 00:41:16 +02:00
Aliaksandr Valialkin
0038365206 docs: refer to standalone MetricsQL package 2020-01-02 23:43:35 +02:00
Aliaksandr Valialkin
a21d786d3c lib/metricsql: add example for ExpandWithExprs 2019-12-26 21:32:11 +02:00
Aliaksandr Valialkin
6f67e0b56b lib/metricsq: add ExpandWithExprs 2019-12-25 22:20:30 +02:00
Aliaksandr Valialkin
1925ee038d Rename lib/promql to lib/metricsql and apply small fixes 2019-12-25 22:03:59 +02:00
Mike Poindexter
bec62e4e43 Split Extended PromQL parsing to a separate library 2019-12-25 22:03:51 +02:00
Aliaksandr Valialkin
c18802af59 lib/fs: typo fix in fadvise_unix.go 2019-12-24 20:59:28 +02:00
Aliaksandr Valialkin
4ba4abe666 lib/encoding: log the compressed block contents if it cannot be decompressed or unmarshaled 
This should help detecting the root cause of https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-24 20:48:31 +02:00
Aliaksandr Valialkin
5bb39e757b lib/encoding: mention src contents in error message returned from unmarshalInt64NearestDelta* 
This should simplify detecting the root cause of the issue at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
 2019-12-24 20:41:52 +02:00