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276 commits

Author SHA1 Message Date
Aliaksandr Valialkin
72011bcc45 app/vmselect: properly handle errors in GetLabelsOnTimeRange and GetLabelValuesOnTimeRange 2020-11-05 01:36:34 +02:00
Aliaksandr Valialkin
f2bff64933 lib/storage: remove data race when updating rowsDeleted 2020-11-05 01:19:30 +02:00
Aliaksandr Valialkin
c5e6c5f5a6 app/vmselect: optimize querying for /api/v1/labels and /api/v1/label/<name>/values when start and end args are set 2020-11-05 01:19:29 +02:00
Aliaksandr Valialkin
c736339843 lib/{storage,mergeset}: clean cached index blocks and inmemory blocks more aggressively 
Previously such blocks were cleaned after they weren't accessed during 10 minutes.
Now they are cleaned after one minute of missing access. This should reduce memory usage in general case.
 2020-11-04 16:44:15 +02:00
Aliaksandr Valialkin
c0bd208c77 lib/storage: do not report about the need of free disk space if parts cannot be merged due to too big write amplification 2020-11-03 15:32:09 +02:00
Aliaksandr Valialkin
1b9778a756 lib/storage: remove unneeded fmt.Sprintf 2020-11-03 14:21:04 +02:00
Aliaksandr Valialkin
f3a7e6f6e3 lib/storage: remove obsolete code 2020-11-02 19:17:30 +02:00
Aliaksandr Valialkin
901514be88 lib/storage: drop more samples outside the given retention during background merge 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/17
 2020-10-31 20:44:47 +02:00
Aliaksandr Valialkin
7599e5c835 lib/storage: properly handle the case when key="__name__" is passed to MetricName.AddTag* 2020-10-20 20:09:52 +03:00
Aliaksandr Valialkin
9c5cd5a6c5 lib/storage: code cleanup after 5bfd4e6218 2020-10-20 16:10:53 +03:00
Aliaksandr Valialkin
0db7c2b500 app/vmstorage: support for -retentionPeriod smaller than one month 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/173
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/17
 2020-10-20 14:42:46 +03:00
Aliaksandr Valialkin
efb1989193 lib/storage: small code adjustements after d2960a20e0 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/781
 2020-10-17 01:17:12 +03:00
faceair
8ddf089deb evaluate the execution cost of all tag filters (#824) 
* evaluate the execution cost of all tag filters

* fix suffixes typo
 2020-10-17 01:13:20 +03:00
Aliaksandr Valialkin
d2e917d1cb app/vmstorage: add vm_rows_added_to_storage_total metric, which shows the total number of rows added to storage since app start 2020-10-09 13:36:17 +03:00
Aliaksandr Valialkin
b51fa16177 app/vmstorage: add -finalMergeDelay command-line flag for configuring the delay before final merge for per-month partitions after no new data is ingested to it 2020-10-07 17:42:31 +03:00
Aliaksandr Valialkin
fd7dd5064a lib/storage: code cleanup after 10f2eedee0 
Remove the code that uses metricIDs caches for the current and the previous hour during metricIDs search,
since this code became unused after implementing per-day inverted index almost a year ago.

While at it, fix a bug, which could prevent from finding time series with names containing dots (aka Graphite-like names
such as `foo.bar.baz`).
 2020-10-01 19:12:04 +03:00
Aliaksandr Valialkin
3ad7566a87 lib/storage: imrpove cache effectiveness for time series ids matching the given filters 
Previously the maximum cache lifetime has been limited by 10 seconds. Now it is extended up to a day.
This should reduce CPU usage in the following cases:

* when querying recently added data with small churn rate for time series
* when querying historical data
 2020-10-01 14:39:46 +03:00
Aliaksandr Valialkin
7c2e4e267a lib/storage: allow set values higher than 1 for vm_merge_need_free_disk_space if there are multiple partitions with deferred merges due to disk space shortage 2020-09-29 22:53:34 +03:00
Aliaksandr Valialkin
097a4c10dd app/vmstorage: add metrics for determining whether background merges need additional disk space to complete 
These metrics are:

* vm_small_merge_need_free_disk_space
* vm_big_merge_need_free_disk_space

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686
 2020-09-29 21:47:47 +03:00
Aliaksandr Valialkin
338a53ccf9 lib/storage: fix tests for 32-bit arches such as GOARCH=386 and GOARCH=arm 2020-09-29 13:10:37 +03:00
Aliaksandr Valialkin
ef416c72c2 lib/storage: fix 32-bit builds for GOARH=386 or GOARCH=arm 2020-09-29 12:42:25 +03:00
Aliaksandr Valialkin
6d8c23fdbd app/{vminsert,vmselect}: skip accountID and projectID when marshaling/unmarshaling MetricName in /api/v1/export/native and /api/v1/import/native 
This is needed in order to be able to migrate native data from/to single-node VictoriaMetrics
 2020-09-28 00:58:58 +03:00
Aliaksandr Valialkin
aadbd014ff all: add native format for data export and import 
The data can be exported via [/api/v1/export/native](https://victoriametrics.github.io/#how-to-export-data-in-native-format) handler
and imported via [/api/v1/import/native](https://victoriametrics.github.io/#how-to-import-data-in-native-format) handler.
 2020-09-27 17:36:38 +03:00
Aliaksandr Valialkin
533bf76a12 lib/storage: correctly use maxBlockSize in various checks 
Previously `maxBlockSize` has been multiplied by 8 in certain checks. This is unnecessary.
 2020-09-24 18:13:15 +03:00
Aliaksandr Valialkin
31e341371b lib/storage: code prettifying after be5e1222f3 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/781
 2020-09-22 00:42:20 +03:00
faceair
ad41e39350 add filter to getMetricIDs (#783) 
* add getMetricIDs filter

* check nil filter before use
 2020-09-22 00:42:19 +03:00
Aliaksandr Valialkin
a9321f6a60 lib/storage: reduce CPU load for idle VictoriaMetrics by reducing the frequency for the need for background merges 2020-09-21 15:51:26 +03:00
Aliaksandr Valialkin
778ea183ca lib/decimal: properly store Inf values 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/752
 2020-09-18 19:08:53 +03:00
Aliaksandr Valialkin
d96858b921 lib/storage: add /internal/force_merge handler for running forced compactions on historical per-month partitions 
This may be useful for freeing up storage space after time series deletion.

See https://victoriametrics.github.io/#force-merge for more details.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/686
 2020-09-17 12:20:56 +03:00
Aliaksandr Valialkin
3abbb38254 lib/{mergeset,storage}: compare errors with errors.Is() 2020-09-17 03:03:10 +03:00
Aliaksandr Valialkin
ddb3519e17 lib/{mergeset,storage}: code prettifying 2020-09-17 02:06:37 +03:00
Aliaksandr Valialkin
bf826dd828 lib/storage: removed duplicate checks for empty parts during merge - another check is in the beginning of mergeParts functions 2020-09-17 01:49:08 +03:00
Aliaksandr Valialkin
81c05f669b lib/storage: do not store inf values, since they may lead to significant precision loss for previously stored values 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/752
 2020-09-11 14:45:20 +03:00
Aliaksandr Valialkin
f307e6f432 app/vmselect: initial implementation of Graphite Metrics API 
See https://graphite-api.readthedocs.io/en/latest/api.html#the-metrics-api
 2020-09-11 00:30:20 +03:00
Aliaksandr Valialkin
f5cb213ef9 lib/storage: reuse timestamp blocks for adjancent metric blocks with identical timestamps 
This should reduce disk space usage when scraping targets containing metrics with identical names
such as `node_cpu_seconds_total`, histograms, quantiles, etc.

Expose `vm_timestamps_blocks_merged_total` and `vm_timestamps_bytes_saved_total` metrics for monitoring
the effectiveness of timestamp blocks merging.
 2020-09-09 23:59:21 +03:00
Aliaksandr Valialkin
4ce1368e4b lib/storage: mention time range used in the query that led to error message 
This should improve detecting slow queries with too big time ranges
 2020-08-10 13:46:29 +03:00
Aliaksandr Valialkin
f92255e803 lib/storage: mention tag filters used in the query that led to error message 
This should improve detecting invalid or heavy queries that lead to errors.
 2020-08-10 13:36:54 +03:00
Aliaksandr Valialkin
b3d4ff7ee2 app/vmstorage: improve error logging when the request times out 2020-08-10 13:17:24 +03:00
Aliaksandr Valialkin
307281e922 lib/storage: slow down concurrent searches when the number of concurrent inserts reaches the limit 
This should improve data ingestion performance when heavy searches are executed

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/618
 2020-08-07 08:49:13 +03:00
Aliaksandr Valialkin
dd1d59f57a lib/storage: properly check timeouts and pace limits 
Previously they were checked on every iteration for small number of iterations
 2020-08-07 08:40:56 +03:00
Aliaksandr Valialkin
a2039b3bbc app/vmselect: return the upper bound on the number of found time series from storage.Search.Init 
This is used by a single-node version in order to reduce memory allocations during search.
See bc8381613d for details.
 2020-08-06 19:20:31 +03:00
Aliaksandr Valialkin
b690eeff53 lib/storage: reduce the frequency (and overhead) for timeout and pace limiter checks by 4x 2020-08-06 18:45:47 +03:00
Aliaksandr Valialkin
13f8644f8e lib/storage: optimize prefetching metric names for the given metricIDs 2020-08-06 16:52:58 +03:00
Aliaksandr Valialkin
a3e91c593b lib/storage: limit the number of concurrent calls to storage.searchTSIDs to GOMAXPROCS*2 
This should limit the maximum memory usage and reduce CPU trashing on vmstorage
when multiple heavy queries are executed.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
 2020-08-05 18:27:21 +03:00
Aliaksandr Valialkin
3149af624d lib/storage: reduce the maximum number of concurrent merge workers to GOMAXPROCS/2 
Previously the limit has been raised to GOMAXPROCS, but it has been appeared that this
increases query latencies since more CPUs are busy with merges.

While at it, substitute `*MergeConcurrencyLimitCh` channels with simple integer limits.
 2020-07-31 17:53:13 +03:00
Aliaksandr Valialkin
29bbab0ec9 lib/storage: remove prioritizing of merging small parts over merging big parts, since it doesn't work as expected 
The prioritizing could lead to big merge starvation, which could end up in too big number of parts that must be merged into big parts.

Multiple big merges may be initiated after the migration from v1.39.0 or v1.39.1. It is OK - these merges should be finished soon,
which should return CPU and disk IO usage to normal levels.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/618
 2020-07-30 20:02:22 +03:00
Aliaksandr Valialkin
96039dcb40 lib/storage: properly update vm_slow_row_inserts_total metric when importing multiple data points per time series at once 
Previously the `vm_slow_row_inserts_total` metric may be incremented multiple times for different data points per a single time series,
while only a single increment is needed when inserting the first data point for this time series.
 2020-07-30 16:17:19 +03:00
Sasasu
96bc476e53 lib/storage: metaindexRow use memroy more efficiently (#655) 
due to memory align the metaindexRow structure use 64-byte pre object.
this commit changes the order of field, make metaindexRow use 56-byte pre
object.

Signed-off-by: Sasasu <su@sasasu.me>
 2020-07-27 23:23:25 +03:00
Aliaksandr Valialkin
94cc677b0c lib/storage: slightly reduce code difference between single-node and cluster versions 2020-07-24 01:18:05 +03:00
Aliaksandr Valialkin
fb3d1380ac lib/storage: respect -search.maxQueryDuration when searching for time series in inverted index 
Previously the time spent on inverted index search could exceed the configured `-search.maxQueryDuration`.
This commit stops searching in inverted index on query timeout.
 2020-07-23 21:22:05 +03:00