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Author SHA1 Message Date
Aliaksandr Valialkin
885ba17905 lib/storage: separate the max inverted index scan loops per metric into fast and slow loops 
Slow loops could require seeks and expensive regexp matching, while fast loops just scans
all the metricIDs for the given `tag=value` prefix. So these operations must have separate
max loops multiplier.
 2019-11-05 17:27:48 +02:00
Aliaksandr Valialkin
b9a06e8e74 lib/storage: skip repeated useless work when intersection of metricIDs with the given filter is too expensive 
This should improve performance for query filters over big number of time series.
 2019-11-05 14:19:13 +02:00
Aliaksandr Valialkin
30c8301b11 lib/storage: reduce the maximum inverted index scans before giving up to label filters matching by metric name 
The new value reduces the amount of wasted work during index scans over big number of time series.
 2019-11-05 14:19:06 +02:00
Aliaksandr Valialkin
e53f9e553d lib/storage: try potentially faster tag filters at first, then apply slower tag filters 
The fastest tag filters are non-negative non-regexp, since they are the most specific.
The slowest tag filters are negative regexp, since they require scanning
all the entries for the given label.
 2019-11-05 14:19:01 +02:00
Aliaksandr Valialkin
d6ade02fd3 Makefile: add pprof-cpu rule for inspecting CPU profiles with PPROF_FILE=/path/to/cpu.pprof make pprof-cpu 2019-11-04 12:44:09 +02:00
Aliaksandr Valialkin
3c90d77858 lib/storage: pass pointer to MetricName in Fatalf, so it is properly detected as an interface with String() method 
This fixes lint errors
 2019-11-04 01:07:19 +02:00
Artem Navoiev
478767d0ed add unittests for bytesutil and storage (#221) 2019-11-04 00:54:46 +02:00
Aliaksandr Valialkin
02e0b19a62 lib/storage: tune the returned value from adjustMaxMetricsAdaptive 2019-11-04 00:44:37 +02:00
Aliaksandr Valialkin
6be4456d88 lib/{storage,uint64set}: add Set.Union() function and use it 2019-11-04 00:44:37 +02:00
Aliaksandr Valialkin
9becc26f4b lib/storage: remove interface conversion in hot path during block merging 
This should improve merge speed a bit for parts with big number of small blocks.
 2019-11-03 12:33:34 +02:00
Aliaksandr Valialkin
c62399eb3e lib/{storage,mergeset}: create missing partition directories after restoring from backups 
Backup tools could skip empty directories. So re-create such directories on the first run.
 2019-11-02 02:27:11 +02:00
Aliaksandr Valialkin
55d728c849 lib/{decimal,encoding}: optimize float64<->decimal conversion for arrays with zeros or ones 
Time series with only zeros or ones frequently occur in monitoring, so it is worth optimizing their handling.
 2019-11-01 16:48:12 +02:00
Aliaksandr Valialkin
808fc0971f lib/{encoding,decimal}: add benchmarks for blocks containing zeros or ones 
Time series with such values are quite common in monitoring space,
so it would be great to have benchmarks for them.
 2019-11-01 16:48:12 +02:00
Aliaksandr Valialkin
370cfbb365 lib/uint64set: return an emptry set instead of nil set from Set.Clone, since the caller may add data to the cloned set 
This fixes the following panic in v1.28.1:

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x10 pc=0x783a7e]

goroutine 1155 [running]:
github.com/VictoriaMetrics/VictoriaMetrics/lib/uint64set.(*Set).Add(0x0, 0x15b3bfb41e8b71ec)
  github.com/VictoriaMetrics/VictoriaMetrics@/lib/uint64set/uint64set.go:57 +0x2e
github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexSearch).getMetricIDsForRecentHours(0xc5bdc0dd40, 0x16e273f6b50, 0x16e2745d3f0, 0x5b8d95, 0x10, 0x4a2f51, 0xaa01000000000000)
  github.com/VictoriaMetrics/VictoriaMetrics@/lib/storage/index_db.go:1951 +0x260
github.com/VictoriaMetrics/VictoriaMetrics/lib/storage.(*indexSearch).getMetricIDsForTimeRange(0xc5bdc0dd40, 0x16e273f6b50, 0x16e2745d3f0, 0x5b8d95, 0x10, 0xb296c0, 0xc00009cd80, 0x9bc640)
 2019-11-01 16:12:44 +02:00
Aliaksandr Valialkin
2f58f37f07 app/vmselect/promql: add lag(q[d]) function, which returns the lag between the current timestamp and the timstamp for the last data point in q 2019-11-01 12:21:33 +02:00
Aliaksandr Valialkin
d18ea0c95b app/vmstorage: add -bigMergeConcurrency and -smallMergeConcurrency flags for tuning the maximum number of CPU cores used during merges 2019-10-31 16:19:13 +02:00
Aliaksandr Valialkin
e0b292c6de lib/storage: small cleanup in Storage.add 2019-10-31 14:30:34 +02:00
Aliaksandr Valialkin
86f6be40db README.md: update information about vm_rows{type="indexdb"} metric 
The previous information became outdated after v1.28.0, since now each row in the inverted index
can refer to multiple time series.
 2019-10-31 13:30:29 +02:00
Aliaksandr Valialkin
e76e21e4c7 lib/decimal: speed up FromFloat for common case with integers 2019-10-31 13:24:59 +02:00
Aliaksandr Valialkin
cfa5e279c2 lib/decimal: increase float64->decimal conversion precision a bit 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
 2019-10-30 02:04:56 +02:00
Aliaksandr Valialkin
fa7c3ab93a README.md: fix delimiter between {measurement} and {field_name} in the Influx line protocol example 2019-10-30 02:04:56 +02:00
Aliaksandr Valialkin
26d570bb3a lib/storage: get parts to merge after applying the limit on the number of concurrent merges 
This should reduce write amplification under high ingestion rate.
 2019-10-30 02:04:56 +02:00
Roman Khavronenko
62ed508546
Bump version requirements in description 2019-10-29 22:29:48 +00:00
Aliaksandr Valialkin
2e2eff90d5 lib/{mergeset,storage}: limit the maximum number of concurrent merges; leave smaller number of parts during final merge 2019-10-29 12:45:28 +02:00
Aliaksandr Valialkin
855e5c8963 vendor: update github.com/VictoriaMetrics/fastcache from v1.5.1 to v1.5.2 2019-10-29 11:31:29 +02:00
Aliaksandr Valialkin
04e48ef064 lib/fs: typo fix in comment to WriteFileAtomically 2019-10-29 11:31:26 +02:00
Roman Khavronenko
971206b514 update single-version dashboard with panels: (#219) 
* concurrent inserts
* rows ignored
 2019-10-28 13:54:10 +02:00
Aliaksandr Valialkin
d063bfaf83 vendor: make vendor-update 2019-10-28 13:39:05 +02:00
Roman Khavronenko
6ab48838bf #215: update klauspost/compress lib (#217) 
* #215: update klauspost/compress lib

* #215: bump klauspost/compress lib to 1.9.1
 2019-10-28 13:36:35 +02:00
Aliaksandr Valialkin
a42b5db39f lib/decimal: increase float->decimal conversion precision for big numbers 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/213
 2019-10-28 13:23:44 +02:00
Aliaksandr Valialkin
b0295dbf2e app/vmselect: add -search.latencyOffset flag for tuning the time after data collection when data points become visible in query results 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/218
 2019-10-28 12:31:07 +02:00
Petr Mikusek
3cea200309 Fix typo s/telergam/telegram/ in README.md 2019-10-23 19:30:36 +03:00
Aliaksandr Valialkin
32600ba4fc deployment/docker: upgrade Go builder from go1.13.1 to go1.13.3 2019-10-20 23:50:05 +03:00
hanzai
b3c946e35a warns during rows addition (#214) 2019-10-20 23:41:07 +03:00
Aliaksandr Valialkin
e83fe938c8 all: make fmt 2019-10-17 20:04:34 +03:00
Aliaksandr Valialkin
f708aa7003 Makefile: disable structcheck in golangci-lint, since it gives false positive on embedded structs 2019-10-17 19:59:10 +03:00
Aliaksandr Valialkin
97ce4e03a5 all: add support for GOARCH=386 and fix all the issues related to 32-bit architectures such as GOARCH=arm 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2019-10-17 18:23:23 +03:00
Aliaksandr Valialkin
a398343bb6 vendor: update github.com/valyala/quicktemplate from v1.2.0 to v1.3.1 2019-10-17 18:23:19 +03:00
Aliaksandr Valialkin
6ebf537153 lib/memory: properly handle int overflow in sysTotalMemory 
This should fix builds on 32-bit architectures such as arm.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2019-10-17 00:50:48 +03:00
Aliaksandr Valialkin
f752479cb8 app/victoria-metrics/test: add missing docs to public funcs PopulateTimeTplString and PopulateTimeTpl 2019-10-17 00:50:46 +03:00
Aliaksandr Valialkin
61e956e175 app/victoria-metrics: add a test for max_lookback=<duration> query arg 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
 2019-10-15 21:31:48 +03:00
Aliaksandr Valialkin
c66a691593 app/vmselect/prometheus: add -search.maxLookback command-line flag for overriding dynamic calculations for max lookback interval 
This flag is similar to `-search.lookback-delta` if set. The max lookback interval is determined dynamically
from interval between datapoints for each input time series if the flag isn't set.

The interval can be overriden on per-query basis by passing `max_lookback=<duration>` query arg to `/api/v1/query` and `/api/v1/query_range`.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
 2019-10-15 21:31:48 +03:00
Aliaksandr Valialkin
cc21b31502 app/victoria-metrics/test: add a test for PopulateTimeTplString 2019-10-15 21:31:48 +03:00
Aliaksandr Valialkin
195cefd81a lib/prompb: removed outdated README.md 2019-10-14 22:12:57 +03:00
Aliaksandr Valialkin
c1581c3810 vendor: make vendor-update 2019-10-13 23:17:47 +03:00
Aliaksandr Valialkin
16cae15c45 README.md: add integrations section 2019-10-11 19:14:28 +03:00
Aliaksandr Valialkin
f6334bffa1 lib/storage: harden the check that the original items are sorted after mergeTagToMetricIDsRows fails to preserve sort order 2019-10-09 12:13:17 +03:00
Aliaksandr Valialkin
2abd5154e0 lib/storage: typo fix in comment to maxRowsPerSmallPart. 2019-10-08 18:51:20 +03:00
Aliaksandr Valialkin
c1cf7d9f93 lib/storage: add tests for mergeTagToMetricIDsRows and return the original items if the function breaks items` ordering. 
This should save from data corruption issues revealed in the previous releases up to v1.28.0-beta5.
 2019-10-08 16:27:35 +03:00
Aliaksandr Valialkin
956fdd89d3 app/vmselect/promql: take into account the previous point when calculating max_over_time and min_over_time 
This lines up with `first_over_time` function used in `rollup_candlestick`, so `rollup=low` always returns
the minimum value.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/204
 2019-10-08 12:30:05 +03:00