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Author SHA1 Message Date
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
7d0743422b lib/storage: properly calculate global metrics in UpdateStats() 2020-07-23 00:35:31 +03:00
Aliaksandr Valialkin
6afdcf8a20 lib/mergeset: properly calculate global metrics in UpdateStats() 
Previously these metrics could be calculated multiple times for multiple mergeset.Table instances.
 2020-07-23 00:35:29 +03:00
Aliaksandr Valialkin
23fa44e56e lib/storage: reorder mergeBlockStreams() args in order to make them more consistent 2020-07-22 21:58:25 +03:00
Aliaksandr Valialkin
754eac676d lib/storage: prevent possible race condition when all the goroutines exit Storage.AddRows, before goroutines other goroutines are blocked on searchTSIDsCond inside Storage.searchTSIDs 
This condition may occur after the following sequence of events:

1) A goroutine enters the loop body when len(addRowsConcurrencyCh) == cap(addRowsConcurrencyCh) inside Storage.searchTSIDs.
2) All the goroutines return from Storage.AddRows.
3) The goroutine from step 1 blocks on searchTSIDsCond.Wait() inside the loop body.

The goroutine remains blocked until the next call to Storage.AddRows, which calls searchTSIDsCond.Signal().
This may take indefinite time.
 2020-07-22 21:52:42 +03:00
Aliaksandr Valialkin
71c3266fca docs/Single-server-VictoriaMetrics.md: mention that it is recommended inspecting logs during troubleshooting 2020-07-22 18:21:06 +03:00
Aliaksandr Valialkin
edbc777e91 vendor: make vendor-update 2020-07-22 16:54:02 +03:00
Aliaksandr Valialkin
20d0c41ac5 app/vmselect/prometheus: support d, w and y suffixes for durations passed to step in /api/v1/query_range like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/641
 2020-07-22 16:27:27 +03:00
Aliaksandr Valialkin
bd4299fafe app/vmselect/netstorage: reduce memory allocations when unpacking time series data by using a pool for unpackWork entries 
This should slightly reduce load on GC when processing queries that touch big number of time series.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/646 according to the provided memory profile
 2020-07-22 15:04:42 +03:00
Roman Khavronenko
9460bf782e
dashboards/victoriametrics: update Concurrent inserts panel #632 (#645) 
Panel `Concurrent inserts` was moved to `vminsert` row. Its metrics and description
was updated accordingly to #632 issue.
 2020-07-22 12:43:23 +03:00
Aliaksandr Valialkin
a3f48e395e app/vmagent: add -remoteWrite.decimalPlaces command-line flag, which may be used for reducing disk space usage on the remote storage 2020-07-21 21:55:42 +03:00
Aliaksandr Valialkin
67be79a0bc lib/uint64set: optimize adding items to the set via Set.AddMulti 2020-07-21 20:57:05 +03:00
Aliaksandr Valialkin
5bb4fe1ba4 app/vmselect: take into account the time spent in wait queue before query execution as time spent on the query 2020-07-21 19:00:00 +03:00
Aliaksandr Valialkin
0755cb3b50 app/vmselect/promql: skip the first value in time series passed to increase() if it exceeds by more than 10x the delta between the next value and the first value 
This should prvent from inflated `increase()` results for time series that start from big initial values.
Such cases may occur when a label value changes in a metric without counter reset.
 2020-07-21 17:24:28 +03:00
Aliaksandr Valialkin
71eba8dcf5 app/vmselect: log the total available memory for concurrent requests on not enough memory errors 
This should simplify root cause analysis
 2020-07-20 19:51:58 +03:00
Aliaksandr Valialkin
3b246aa569 app/vmagent: add -remoteWrite.proxyURL command-line option 
This option allows writing data to `-remoteWrite.url` via http, https or socks5 proxy.
This is similar to `proxy_url` option in `remote_write` section of Prometheus.
See https://prometheus.io/docs/prometheus/latest/configuration/configuration/#remote_write
 2020-07-20 19:31:08 +03:00
Aliaksandr Valialkin
8bee3ef91b docs/vmagent.md: sync with app/vmagent/README.md 2020-07-20 17:09:30 +03:00
Roman Khavronenko
8949ec961d app/vmagent: mention grafana dashboard in README (#639) 2020-07-20 17:09:27 +03:00
Aliaksandr Valialkin
77523af9fc vendor: update github.com/VictoriaMetrics/metrics from v1.11.3 to v1.12.0 2020-07-20 16:56:44 +03:00
Aliaksandr Valialkin
86b54f3768 app/vmagent/remotewrite: allow passing empty -remoteWrite.urlRelabelConfig entries 2020-07-20 15:49:13 +03:00
Aliaksandr Valialkin
141e84b5a4 app/vmselect/prometheus: do not return time series with empty list of datapoints from /api/v1/query_range 
This matches Prometheus behaviour.

This should fix https://github.com/jacksontj/promxy/issues/329
 2020-07-20 15:30:13 +03:00
Aliaksandr Valialkin
4d2011a87d app/vmselect/promql: add mode() aggregate function 2020-07-20 15:30:11 +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
427fa43ce2 app/vmselect/promql: add mode_over_time(m[d]) function 
See https://en.wikipedia.org/wiki/Mode_(statistics) and https://stackoverflow.com/questions/61134078/promql-query-to-return-the-value-from-a-range-vector-which-occurs-maximum-no-of
 2020-07-17 18:29:10 +03:00
Aliaksandr Valialkin
eb402a17bd app/vmselect/promql: optimize group(rollup(m)) calculations 2020-07-17 16:47:30 +03:00
Aliaksandr Valialkin
ea8dc85ba8 app/vmselect/promql: check that any() doesn't touch metric name 2020-07-17 16:23:11 +03:00
Aliaksandr Valialkin
b8b13e82e0 deployment/docker: update Go builder from v1.14.5 to v1.14.6 
This fixes runtime issues found in Go since v1.14.5. See https://github.com/golang/go/issues?q=milestone%3AGo1.14.6+label%3ACherryPickApproved
 2020-07-17 15:21:12 +03:00
Aliaksandr Valialkin
fc8fe38a82 app/vmselect/promql: add group() aggregate function to MetricsQL 
This function has been added in Prometheus 2.20. See https://github.com/prometheus/prometheus/pull/7480
 2020-07-17 15:17:38 +03:00
Aliaksandr Valialkin
c64914a7e4 app/vmselect/promql: keep all labels for time series from any() call 2020-07-17 15:17:37 +03:00
Roman Khavronenko
21cf6a1ec4
deployment/docker: replace Prometheus with vmagent (#635) 
* replace Prometheus with vmagent in docker compose env;
* cluster dashboard: exclude vmagent from job list;
* cluster dasbhoard: reference datasource var instead of datasource name.
 2020-07-17 02:18:03 +03:00
Roman Khavronenko
87946dcc53 vmagent: update grafana dashboard (#634) 
* reference datasource variable instead of datasource name;
* change unit from `bytes` to `bits/s` for Network panel.
 2020-07-17 02:12:20 +03:00
Aliaksandr Valialkin
f9b38f7f2d app/vminsert/influx: properly handle the case when certain labels with empty values are removed by ApplyRelabeling() call 
Previously this could lead to `out of range` panic
 2020-07-17 00:05:24 +03:00
Aliaksandr Valialkin
14dc426b45 app/vmselect: fix nil pointer dereference panic when unsuccessfully querying vmstorage 2020-07-16 19:15:18 +03:00
Aliaksandr Valialkin
490a42f592 deployment/docker: update Go builder from v1.14.4 to v1.14.5 
This should fix the following issues in Go - https://github.com/golang/go/issues?q=milestone%3AGo1.14.5+label%3ACherryPickApproved
 2020-07-16 18:55:37 +03:00
Roman Khavronenko
cb4c433260 vmagent: add grafana dashboard (#629) 
`vmagent` Grafana dashboard suppose to provide basic observability over multiple
`vmagent` instances. Dashboard is saved in Grafana export format so it can be easily
imported. It was also integrated into docker-compose environment.
 2020-07-15 13:58:30 +03:00
Aliaksandr Valialkin
ce381b3868 app/vmalert: consistently use "%w" instead of "%s" in fmt.Errorf when wrapping errors 2020-07-15 13:55:13 +03:00
Aliaksandr Valialkin
e6d96bb0bd docs/vmagent.md: make filtering rules for init container pods less confusing 2020-07-14 20:33:19 +03:00
Aliaksandr Valialkin
74fb0b293d vendor: make vendor-update 2020-07-14 20:30:57 +03:00
Aliaksandr Valialkin
8e7c7a6fbd docs/Single-server-VictoriaMetrics.md: remove Roadmap chapter, since it became outdated 2020-07-14 19:07:06 +03:00
Aliaksandr Valialkin
c2b4b9138d app/vmagent/remotewrite: return proper value from tssRelabelPool.New 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/599
 2020-07-14 14:28:14 +03:00
Aliaksandr Valialkin
3365f6867b docs/Single-server-VictoriaMetrics.md: sync with README.md 2020-07-14 14:19:53 +03:00
Aliaksandr Valialkin
86044f6561 app/{vminsert,vmagent}: add -influxSkipMeasurement command-line flag for using field name as metric name 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/626
 2020-07-14 14:18:40 +03:00
Aliaksandr Valialkin
be0ab4fbfe lib/storage: reset MetricName->TSID cache after marking metricIDs as deleted 
This is a follow-up commit after 12b16077c4 ,
which didn't reset the `tsidCache` in all the required places.
This could result in indefinite errors like:

    missing metricName by metricID ...; this could be the case after unclean shutdown; deleting the metricID, so it could be re-created next time

Fix this by resetting the cache inside deleteMetricIDs function.
 2020-07-14 14:05:19 +03:00
Aliaksandr Valialkin
0e7b2008b2 app/vmselect/prometheus: do not adjust last points in time series with timestamps exceeding the current time 
Such timestamps usually mean that the query contains `offset`.
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/625
 2020-07-14 12:56:21 +03:00
Aliaksandr Valialkin
a4c96d9e6d lib/protoparser: properly update vm_protoparser_rows_read_total{type="promscrape"} metric 2020-07-14 12:15:56 +03:00
Seva Poliakov
a5e713b6e0
add vm_protoparser_rows_read_total metrics to promscrape (#624) 
* add vm_protoparser_rows_read_total metrics to promscrape

move vm_protoparser_rows_read_total for promscrape to better place

move vm_protoparser_rows_read_total for promscrape to better place

* remove possibility of infinity loop at prometheus parser
 2020-07-14 12:02:25 +03:00
Roman Khavronenko
207e93b50d lib/flagutil: specify additional description for all Array type flags (#620) 
Array type flag is now defined as `value` type in flag description when printed.
This change adds additional description to every Array type flag so it would be
clear what exact type is used:
```
  -remoteWrite.urlRelabelConfig array
        Optional path to relabel config for the corresponding -remoteWrite.url
        Supports array of values separated by comma or specified via multiple flags.
```
 2020-07-13 22:00:03 +03:00
Roman Khavronenko
605711bde5 lib/persistentqueue: add vm_persistentqueue_bytes_pending metric (#619) 
Metric `vm_persistentqueue_bytes_pending` is a gauge that shows current amount
of bytes in persistentqueue flushed on disk as a difference between write and read
offsets. This metric is very similar to `vmagent_remotewrite_pending_data_bytes`
except of accounting for bytes in-memory.
 2020-07-13 21:54:54 +03:00
Roman Khavronenko
a02097e657 Extend metric vm_promscrape_targets with status label (#615) 
The change to `vm_promscrape_targets` metric suppose to improve observability
for `vmagent` so it will be possible to track how many targets are up or down
for every specific scrape group:
```
vm_promscrape_targets{type="static_configs", status="down"} 1
vm_promscrape_targets{type="static_configs", status="up"} 2
```
 2020-07-13 21:54:53 +03:00
Aliaksandr Valialkin
3898cc0285 app/vmselect/prometheus: minimize the diff for the change 1033dc7e2a over 619b0a25c9 2020-07-13 21:41:17 +03:00