Aliaksandr Valialkin
d21cb43e48
lib/storage: add vm_ prefix to deduplicated_samples_total
metric to be conistent with other metrics
2020-02-21 19:33:59 +02:00
Aliaksandr Valialkin
71a52f5f90
lib/protoparser/prometheus: skip leading whitespace from tag names
2020-02-16 19:06:33 +02:00
Aliaksandr Valialkin
ce15cecae4
lib/storage: typo fix
2020-02-16 15:53:44 +02:00
Aliaksandr Valialkin
32e153e834
lib/storage: prevent from clobbering nin-nil lastError in Storage.add
2020-02-16 15:51:26 +02:00
Aliaksandr Valialkin
7b1c7051a3
app/vmselect: add sort_by_label(q, label)
and sort_by_label_desc(q, label)
functions
...
This is implementation of https://github.com/prometheus/prometheus/pull/1533 for VictoriaMetrics.
2020-02-13 17:01:37 +02:00
Aliaksandr Valialkin
7836ad8907
lib/mergeset: skip createing temporary part objects when merging source inmemory parts
...
This should reduce CPU usage when adding new entries to inverted index.
This should alos prevent from creating stalled cleaner goroutines for the created temporary parts,
since they were never closed.
This should fix the following issue: https://github.com/VictoriaMetrics/VictoriaMetrics/issues/316 .
2020-02-13 14:09:32 +02:00
Aliaksandr Valialkin
eceaf13e5e
lib/{storage,mergeset}: use time.Ticker instead of time.Timer where appropriate
...
It has been appeared that time.Timer was used in places where time.Ticker must be used instead.
This could result in blocked goroutines as in the https://github.com/VictoriaMetrics/VictoriaMetrics/issues/316 .
2020-02-13 13:10:07 +02:00
Aliaksandr Valialkin
4cc0163c7c
docs: migrate ExtendedPromQL->MetricsQL in order to be more consistent
2020-02-10 23:02:43 +02:00
Aliaksandr Valialkin
025297f15d
lib/envflag: check for incorrect flag values read from environment vars
2020-02-10 16:08:10 +02:00
Aliaksandr Valialkin
5d207b2025
lib/envflag: add -envflag.enable
command-line flag for enabling reading flags from environment vars
...
By default flags are read only from command line. They can be read from environment vars if `-envflag.enable` is set.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/311
2020-02-10 16:02:37 +02:00
Aliaksandr Valialkin
8466ab0034
all: allow setting flags via environment vars
...
Now flags can be set via environment vars with the same names as flags.
Command-line flags override flags set via env vars.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/311
2020-02-10 13:29:13 +02:00
Aliaksandr Valialkin
e210cd9da1
lib/storage: move -dedup.minScrapeInterval
flag outside lib/storage, so it doesnt show up in vminsert
in cluster version
2020-02-10 13:09:51 +02:00
Aliaksandr Valialkin
40c6ae2952
lib/logger: initialize output to os.Stderr by default
2020-02-04 22:40:44 +02:00
Aliaksandr Valialkin
e0a4c37fc1
lib/logger: add -loggerOutput
command-line flag
...
This flag allows changing log output from `stderr` to `stdout` if `-loggerOutput=stdout` is set.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/306
2020-02-04 21:47:56 +02:00
Aliaksandr Valialkin
7f3e3a6034
lib/logger: do not clutter -loggerFormat=json
output with stack trace
...
This should improve json parsing
2020-02-04 21:37:25 +02:00
Aliaksandr Valialkin
bd4698bb7a
lib/storage: do not deduplicate blocks with less than 32 samples during merge
...
This should improve deduplication accuracy for blocks with higher number of samples.
2020-02-04 18:41:54 +02:00
Aliaksandr Valialkin
42864bb52f
all: do not clash flag description with back-quoted flag types
...
See https://golang.org/pkg/flag/#PrintDefaults for more details.
2020-02-04 15:46:52 +02:00
Aliaksandr Valialkin
011a79da85
lib/fs: remove unused readerAt
interface
2020-01-31 15:12:43 +02:00
Aliaksandr Valialkin
c3d86eef96
all: add -dedup.minScrapeInterval
command-line flag for data de-duplication
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/86
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/278
2020-01-31 01:16:57 +02:00
Aliaksandr Valialkin
2152f6f0cd
lib/storage: re-use indexSearch inside Storage.prefetchMetricNames
2020-01-31 01:16:53 +02:00
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
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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
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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
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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