Aliaksandr Valialkin
4ed5e9a7ce
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 15:16:16 +02:00
Aliaksandr Valialkin
cb2a2f281f
lib/mergeset: properly update lastAccesstime
in indexBlockCache entries
...
This is a follow-up for 6665f10e7b
2020-01-29 21:21:01 +02:00
Aliaksandr Valialkin
170c1c3a4e
app/vmselect/promql: add keep_next_value(q)
for filling gaps with the next non-empty value
2020-01-29 00:48:14 +02:00
Aliaksandr Valialkin
a9c1d5b351
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 22:53:50 +02:00
Aliaksandr Valialkin
81ba371eaf
lib/logger: fix improperly set skipframes for all the logging functions
2020-01-26 18:34:58 +02:00
Aliaksandr Valialkin
9f595cb2b1
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 20:18:06 +02:00
Aliaksandr Valialkin
36a1a21d6e
lib/protoparser: add parser for Prometheus exposition text format
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This parser will be used by vmagent
2020-01-24 20:11:19 +02:00
Aliaksandr Valialkin
0cda6afa8e
app/vminsert: move ingestion protocol parsers to lib/protoparser, so they could be re-used in the upcoming vmagent
2020-01-24 16:55:18 +02:00
Aliaksandr Valialkin
ea53a21b02
all: consistently log durations in seconds with millisecond precision
...
This should improve logs readability
2020-01-22 18:35:24 +02:00
Aliaksandr Valialkin
40e564eb9c
app/vmselect/promql: add range_over_time(m[d])
function for calculating value range for m
over d
2020-01-21 19:05:29 +02:00
Aliaksandr Valialkin
9eaa2ab871
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 15:00:35 +02:00
Aliaksandr Valialkin
62b041e90a
lib/{mergeset,storage}: properly update lastAccessTime
in index and data block cache entries
2020-01-20 15:00:10 +02:00
Aliaksandr Valialkin
607d4418b8
lib/uint64set: add missing bucket32.b16his values
2020-01-18 14:26:23 +02:00
Aliaksandr Valialkin
e3379537cd
lib/uint64set: optimize Set.Union
...
This should improve performance for queries over big number of time series
2020-01-18 13:47:34 +02:00
Aliaksandr Valialkin
5077efd3f7
lib/uint64set: add benchmarks for Set.Union
2020-01-18 13:47:33 +02:00
Aliaksandr Valialkin
a851c75703
lib/storage: skip recovering timestamps order for lossless compression (PrecisionBits=64)
2020-01-17 23:59:19 +02:00
Aliaksandr Valialkin
2084921e64
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 23:59:17 +02:00
Aliaksandr Valialkin
ab4d5d72eb
lib/uint64set: reduce memory allocations in Set.AppendTo
2020-01-17 22:33:00 +02:00
Aliaksandr Valialkin
476c7fb109
lib/storage: reduce memory allocations when merging metricID sets
2020-01-17 22:10:56 +02:00
Aliaksandr Valialkin
29d21259f0
lib/uint64set: typo fix in Set.Intersect
2020-01-17 18:11:46 +02:00
Aliaksandr Valialkin
ed1d259b10
lib/uint64set: optimize Intersect, Subtract and Union functions
...
This should improve performance for queries over big number of time series.
2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
68d35357b1
lib/uint64set: improve benchmark for Set.Intersect
2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
ffe352ad31
lib/uint64set: add benchmark for Set.Intersect
2020-01-17 16:16:43 +02:00
Aliaksandr Valialkin
4b16b7fd11
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 13:06:43 +02:00
Aliaksandr Valialkin
7d429e2806
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 12:15:48 +02:00
Aliaksandr Valialkin
caffb0cd01
lib/{mergeset,storage}: fix uint64 counters alignment for 32-bit architectures (GOARCH=386, GOARCH=arm)
2020-01-14 22:47:42 +02:00
Aliaksandr Valialkin
b03ccbf6f7
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 21:38:29 +02:00
Aliaksandr Valialkin
bcd3f0c5bd
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 14:47:13 +02:00
Aliaksandr Valialkin
87a106702b
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 21:18:12 +02:00
Aliaksandr Valialkin
c314d9a219
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 19:39:34 +02:00
Aliaksandr Valialkin
1029b6ab34
lib/backup/s3remote: check whether the file exists before deleting it
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/284
2020-01-09 23:20:51 +02:00
Aliaksandr Valialkin
705af61587
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 15:35:45 +02:00
Aliaksandr Valialkin
53e176ed67
lib/storage: limit maxRaRowsPerPartition by 500K for any number of rawRowsShardsPerPartition
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This should reduce write amplification for high ingestion rate on multi-CPU systems
2020-01-04 23:58:23 +02:00
Aliaksandr Valialkin
89b551201c
lib/metricsql: export IsRollupFunc and IsTransformFunc, since they can be used by package users
2020-01-04 13:25:13 +02:00
Aliaksandr Valialkin
6f29d37cb5
app/vmselect/promql: add histogram_share(le, buckets)
function
2020-01-04 12:53:08 +02:00
Aliaksandr Valialkin
2290503140
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 12:53:01 +02:00
Aliaksandr Valialkin
67f94bbe12
app/vmselect/promql: add histogram_over_time(m[d])
rollup function
2020-01-04 12:52:56 +02:00
Aliaksandr Valialkin
588531dd76
lib/uint64set: reduce memory usage when storing big number of sparse metric_id values
2020-01-03 18:17:17 +02:00
Aliaksandr Valialkin
e0abf45d45
app/vmselect/promql: add share_le_over_time
and share_gt_over_time
functions for SLI and SLO calculations
2020-01-03 00:41:36 +02:00
Aliaksandr Valialkin
19962e2732
docs: refer to standalone MetricsQL package
2020-01-02 23:43:43 +02:00
Aliaksandr Valialkin
0d2e83e9d7
lib/metricsql: add example for ExpandWithExprs
2019-12-26 21:31:15 +02:00
Aliaksandr Valialkin
eb1a66c577
lib/metricsq: add ExpandWithExprs
2019-12-25 22:20:21 +02:00
Aliaksandr Valialkin
453d71d082
Rename lib/promql to lib/metricsql and apply small fixes
2019-12-25 22:09:09 +02:00
Mike Poindexter
009d1559db
Split Extended PromQL parsing to a separate library
2019-12-25 22:09:07 +02:00
Aliaksandr Valialkin
f22c9dbb0f
lib/fs: typo fix in fadvise_unix.go
2019-12-24 21:00:04 +02:00
Aliaksandr Valialkin
d3c185f0ca
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 20:48:25 +02:00
Aliaksandr Valialkin
091e35cf0c
lib/encoding: mention src contents in error message returned from unmarshalInt64NearestDelta*
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This should simplify detecting the root cause of the issue at https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
2019-12-24 20:41:38 +02:00
Aliaksandr Valialkin
0e51058a0d
lib/encoding: mention unpacked block size in the error message if unparsed tail left
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/281
2019-12-24 20:35:20 +02:00
Aliaksandr Valialkin
afa8b34d27
Revert "lib/logger: prevent from blocking when log output isn't consumed in timely manner"
...
This reverts commit 9f50232e70
.
Reason to revert: this leaves incomplete logs on app shutdown.
2019-12-24 12:20:45 +02:00
Aliaksandr Valialkin
6358cf3d47
app/vmselect/netstorage: move MustAdviseSequentialRead to lib/fs
2019-12-23 23:16:26 +02:00