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99 commits

Author SHA1 Message Date
Aliaksandr Valialkin
d5a2b120e9 app/vmstorage: disable final merge by default, since it may result in high disk IO and CPU usage without measurable benefits such as increased query performance and reduced disk space usage 2021-01-08 00:12:12 +02:00
Aliaksandr Valialkin
a2eb451de4 app/{vmagent,vminsert}: follow-up for ce8c2dd1f1: return /targets page in HTML when requested via web browser 2020-12-14 14:13:01 +02:00
Aliaksandr Valialkin
1a237c6903 all: properly handle CPU limits set on the host system/container 
This can reduce memory usage on systems with enabled CPU limits.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/946
 2020-12-08 21:07:03 +02:00
Aliaksandr Valialkin
bdac2171f1 all: do not print usage info for all the flags when incorrect command-line flag is passed 
This should improve usability for VictoriaMetrics apps that have big number of command-line flags,
i.e. all the apps.
 2020-12-03 21:46:19 +02:00
Aliaksandr Valialkin
433ae806ac app/vmselect: implement /tags/tagSeries and /tags/tagMultiSeries` in order to be consistent with single-node VictoriaMetrics 2020-11-23 14:57:08 +02:00
Aliaksandr Valialkin
7d76fdedcc app/vmselect: use storage.NewSearchQuery() instead of constructing storage.SearchQuery in-place 
This should prevent from bugs when AccountID and ProjectID aren't set in storage.SearchQuery.
 2020-11-16 18:04:33 +02:00
Aliaksandr Valialkin
eea1be0d5c app/vmselect/graphite: add /tags/findSeries handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#exploring-tags
 2020-11-16 12:52:23 +02:00
Aliaksandr Valialkin
7ceaf4ba8f all: consistently return text-based HTTP responses with charset=utf-8 
This is a follow-up for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/897
 2020-11-13 10:30:21 +02:00
immerrr again
1ec1a9f27f app/vmstorage: add "/internal/force_flush" endpoint (#893) 2020-11-11 14:46:37 +02:00
Aliaksandr Valialkin
767231f41f app/vmstorage/transport: properly handle request to labelValuesOnTimeRange 2020-11-05 02:08:04 +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
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
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
abfd3a8fab app/{vminsert,vmselect,vmstorage}: add a link to https://victoriametrics.github.io/Cluster-VictoriaMetrics.html from main page of every cluster component 2020-10-06 15:30:07 +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
536aa8779a app/vmstorage: rename vm_{big|small}_merge_need_free_disk_space to vm_merge_need_free_disk_space 
This simplifies alerting.
 2020-09-29 22:53:33 +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
2ee0dc27a6 app/vmstorage: parallelize data processing obtained from a single connection from vminsert 
Previously vmstorage could use only a single CPU core for data processing from a single connection from vminsert.
Now all the CPU cores can be used for data processing from a single connection from vminsert.
This should improve the maximum data ingestion performance for a single vminsert->vmstorage connection.
 2020-09-28 21:41:16 +03:00
Aliaksandr Valialkin
543f3aea97 all: consistently use "%w" formatting in fmt.Errorf for wrapped errors 2020-09-23 22:48:21 +03:00
Aliaksandr Valialkin
9b15b11f74 app/vmstorage: added -forceMergeAuthKey command-line flag for protecting /internal/force_merge endpoint 2020-09-17 14:24:20 +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
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
6721e47ae9 app: respect CPU limits set via cgroups 
Update GOMAXPROCS to limits set via cgroups. This should reduce CPU trashing and reduce memory usage
for cases when VictoriaMetrics components run in containers with CPU limits.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685
 2020-08-11 23:01:03 +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
a455930ab4 app/vmstorage: rename vm_cache_size_entries{type="storage/prefetchedMetricIDs"} to vm_cache_entries{type="storage/prefetchedMetricIDs"} to be consistent with other vm_cache_entries metrics 2020-08-06 16:34:18 +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
94471a1273 app: remove duplicate *-pure makefile rules 2020-07-31 20:01:30 +03:00
Aliaksandr Valialkin
106e302d7a all: add mssing APP_NAME to vm*-GOARCH builds 2020-07-31 13:45:32 +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
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
Aliaksandr Valialkin
b8303afcd8 lib/storage: improve prioritizing of data ingestion over querying 
Prioritize also small merges over big merges.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/291
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/648
 2020-07-23 01:40:38 +03:00
Aliaksandr Valialkin
31ef39e8da lib/httpserver: log remote address in error message from httpserver.Errorf 
This should improve detection of the root cause of errors.
Thanks to Anant for the idea.
 2020-07-20 14:06:29 +03:00
Aliaksandr Valialkin
0bff96fe4b lib/storage: prioritize data ingestion over heavy queries 
Heavy queries could result in the lack of CPU resources for processing the current data ingestion stream.
Prevent this by delaying queries' execution until free resources are available for data ingestion.

Expose `vm_search_delays_total` metric, which may be used in for alerting when there is no enough CPU resources
for data ingestion and/or for executing heavy queries.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/291
 2020-07-05 19:44:04 +03:00
Aliaksandr Valialkin
4cb3e7595c app/vmstorage: add -denyQueriesOutsideRetention command-line flag for denying queries outside the configured retention 2020-07-01 00:58:42 +03:00
Aliaksandr Valialkin
d962568e93 all: use %w instead of %s for wrapping errors in fmt.Errorf 
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
 2020-06-30 23:33:46 +03:00
Aliaksandr Valialkin
01719f4949 app/vmstorage/transport: simplify setupTfss in order to prevent the possibility of nil tfs 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/534
 2020-06-05 13:17:26 +03:00
Aliaksandr Valialkin
e4cef1b678 app/vmstorage: prevent from serving conns from vminsert and vmselect after the server is closed 
Previously it was possible that the connection is served after the server is closed if the following
steps are performed:

1) Server accepts new connection.
2) Server.MustClose() is called and successfully finished.
3) Server starts processing the connection accepted at step 1. There could be various crashes
   like in https://github.com/VictoriaMetrics/VictoriaMetrics/issues/534 since the storage may be already closed.

Now the server closes the connection at step 3 without processing it.
 2020-06-05 11:55:48 +03:00
Aliaksandr Valialkin
901093279e app/vmstorage/transport: update stale comment - vmstorage now sends small ack packets to vminsert 2020-05-21 14:04:52 +03:00
Aliaksandr Valialkin
2784015a4d all: print --help output to stdout instead of stderr 
This is easier to grep and pipe
 2020-05-16 12:03:06 +03:00
Aliaksandr Valialkin
a853869e75 app/vmstorage/transport: prevent from uncontrolled memory usage growth when vminsert sends big packets with too long labels 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/490
 2020-05-15 15:42:54 +03:00
Aliaksandr Valialkin
1e5c1d7eaa app/vmstorage: add vm_slow_metric_name_loads_total metric, which could be used as an indicator when more RAM is needed for improving query performance 2020-05-15 14:12:24 +03:00
Aliaksandr Valialkin
d6b9a49481 app/vmstorage: add vm_slow_row_inserts_total and vm_slow_per_day_index_inserts_total metrics for determining whether VictoriaMetrics required more RAM for the current number of active time series 2020-05-15 13:46:57 +03:00
Aliaksandr Valialkin
3d3f41b961 app/vmstorage/transport: fix panic during server stop on 32-bit arches 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/212
 2020-05-12 20:21:40 +03:00
Aliaksandr Valialkin
f7753b1469 lib/storage: gradually pre-populate per-day inverted index for the next day 
This should prevent from CPU usage spikes at 00:00 UTC every day when
inverted index for new day must be quickly created for all the active time series.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/430
 2020-05-12 12:13:32 +03:00
Aliaksandr Valialkin
3052b479b7 lib/httpserver: reduce typical duration for http server graceful shutdown 
Previously the duration for graceful shutdown for http server could take more than a minute
because of imporperly set timeouts in setNetworkTimeout.
Now typical duration for graceful shutdown should be reduced to less than 5 seconds.
 2020-05-07 14:16:38 +03:00
Aliaksandr Valialkin
989d84cf3f app/{vminsert,vmstorage}: wait for ack from vmstorage after each packet sent to it from vminsert 
This should protect from possible data loss when `vmstorage` is stopped while the packet is sent from `vminsert`.

This commit switches to new protocol between vminsert and vmstorage, which is incompatible
with the previous protocol. So it is required that both vminsert and vmstorage nodes are updated.
 2020-04-27 09:53:26 +03:00
Aliaksandr Valialkin
e933cbac16 lib/storage: postpone reading data from blocks during search 
This eliminates the need for storing block data into temporary files on a single-node VictoriaMetrics
during heavy queries, which touch big number of time series over long time ranges.

This improves single-node VM performance on heavy queries by up to 2x.
 2020-04-27 08:44:01 +03:00