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461 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
7987129baa app/vmselect/netstorage: move common code for requests execution on all the storage nodes to startStorageNodesRequest func 2020-11-23 10:51:48 +02:00
Aliaksandr Valialkin
25a57ced6c app/vmselect/netstorage: prevent from data races in ProcessSearchQuery and in Export funcs when -replicationFactor > 1 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711
 2020-11-23 10:25:51 +02:00
Aliaksandr Valialkin
f4fd917e4f lib/fs: replace fs.OpenReaderAt with fs.MustOpenReaderAt 
All the callers for fs.OpenReaderAt expect that the file will be opened.
So it is better to log fatal error inside fs.MustOpenReaderAt instead of leaving this to the caller.
 2020-11-23 09:57:30 +02:00
Aliaksandr Valialkin
1dcb438c3b app/vmselect/netstorage: typo fix after 990eb29a9b 2020-11-23 01:09:43 +02:00
Aliaksandr Valialkin
85eecf5801 app/vmselect/netstorage: add -replicationFactor command-line flag for reducing query duration when a part of vmstorage nodes are temporarily slow and/or temporarily unavailable 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711
 2020-11-23 00:39:53 +02:00
Aliaksandr Valialkin
990eb29a9b app/vmselect/netstorage: move common code for collecting query results from vmstorage nodes to collectResults function 2020-11-23 00:16:02 +02:00
Aliaksandr Valialkin
e72ccc9239 app/vmselect: add remoteAddr to slow query log in order to improve debuggability 
This will simplify identifying the client that sends slow queries to VictoriaMetrics.
 2020-11-18 20:40:02 +02:00
Aliaksandr Valialkin
ea4afb201b app/vmselect/netstorage: typo fix in a comment inside SearchMetricNames func 2020-11-18 01:35:37 +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
911c6d3bcd app/vmselect: add missing graphite prefix to /tags/autoComplete/{tags,values} 2020-11-16 18:04:24 +02:00
Aliaksandr Valialkin
f7f866d83b app/vmselect/netstorage: typo fix 2020-11-16 15:54:45 +02:00
Aliaksandr Valialkin
59fb75717e app/vmselect/netstorage: apply Graphite filter after substituting __name__ with name 2020-11-16 15:50:53 +02:00
Aliaksandr Valialkin
eb763bcb9d app/vmselect/graphite: add /tags/autoComplete/values handler from Graphite Tags API 2020-11-16 15:29:29 +02:00
Aliaksandr Valialkin
f2f16d8e79 app/vmselect/graphite: add /tags/autoComplete/tags handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#auto-complete-support
 2020-11-16 14:58:10 +02:00
Aliaksandr Valialkin
2f4421b86c app/vmselect/prometheus: return __name__ label if match[] query to /api/v1/labels matches at least a single time series 2020-11-16 13:54:50 +02:00
Aliaksandr Valialkin
852aed62f7 app/vmselect/prometheus: improve performance for /api/v1/labels and /api/v1/label/<labelName>/values on time ranges exceeding one day when match[] query arg is set 2020-11-16 13:46:51 +02:00
Aliaksandr Valialkin
e969346e3e app/vmselect/prometheus: fix deadlock in /api/v1/series on a time range exceeding one day 2020-11-16 13:30:57 +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
97100b1d42 app/vmselect/graphite: apply filter then limit 2020-11-16 12:52:18 +02:00
Aliaksandr Valialkin
5889273920 app/vmselect/graphite: add /tags/<tag_name> handler for Graphite Tags API 2020-11-16 03:41:41 +02:00
Aliaksandr Valialkin
99cb1a70cf app/vmselect/graphite: add /tags handler from Graphite Tags API 
See https://graphite.readthedocs.io/en/stable/tags.html#exploring-tags
 2020-11-16 02:57:20 +02:00
Aliaksandr Valialkin
2ac5f00d98 app/vmselect: propagate errors from vmstorage to response to the client if -search.denyPartialResponse command-line flag is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/891

This commit also adds `"isPartial":{true|false}` field to `/api/v1/*` responses. `"isPartial":true` is set when the response
is based on a partial data because some of vmstorage nodes weren't available during query processing.
 2020-11-14 13:20:10 +02:00
Aliaksandr Valialkin
8f42e59e05 app/vmselect/promql: remove spikes from increase() and delta() results on time series with spare irregular data points 
Do not take into account spare data point value if the next point will is located too far from the current point.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894
 2020-11-13 15:23:37 +02:00
Aliaksandr Valialkin
da6d82a8dd app/vmselect/promql: assume that time series value doesnt change during gaps when calculating increase() and delta() 
This should remove unexpected spikes at the end of gaps.
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/894
 2020-11-13 14:59:32 +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
Aliaksandr Valialkin
4f2c5877db app/vmselect: add -search.treatDotsAsIsInRegexps command-line flag for automatic escaping of dots in regexp label filters 2020-11-11 12:40:28 +02:00
Aliaksandr Valialkin
a78bf34ff3 app/vmselect: do not return isPartialResponse=true when all the storageNodes return errors 2020-11-10 18:48:57 +02:00
Aliaksandr Valialkin
8f3339fa81 app/vmselect/promql: do not return data points in the end of the selected time range for time series ending in the middle of the selected time range 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/887
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
 2020-11-10 14:51:55 +02:00
Aliaksandr Valialkin
6385432611 app/vmselect: typo fix in a description for -search.minStalenessInterval: mimimum->minimum 2020-11-10 01:18:59 +02:00
Aliaksandr Valialkin
efebc3b6fb app/vmselect/promql: code cleanup after 43823addea 2020-11-06 01:31:33 +02:00
n4mine
3127aa92b5 app/vmselect/promql: fix when the parameter of maxValue(), minValue() leading by NaN. it will cause {top,bottom}k_{max,min} return inappropriate result (#883) 2020-11-06 01:31:31 +02:00
Aliaksandr Valialkin
72011bcc45 app/vmselect: properly handle errors in GetLabelsOnTimeRange and GetLabelValuesOnTimeRange 2020-11-05 01:36:34 +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
66de02fbb4 app/vmselect/promql: allow dropping trailing sample only for default_rollup function 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/850
 2020-11-02 02:11:06 +02:00
Aliaksandr Valialkin
6b623eba02 app/vmselect/promql: go fmt 2020-11-02 00:18:24 +02:00
Aliaksandr Valialkin
7c0b658865 app/vmselect/promql: do not drop trailing datapoints for instant queries 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-11-02 00:12:53 +02:00
Aliaksandr Valialkin
c4464594b7 app/vmselect/promql: allow passing optional third argument to topk_* and bottomk_* functions in order to obtain sum of time series outside top/bottom K 2020-10-20 20:09:55 +03:00
Aliaksandr Valialkin
ee2902ddaf app/vmselect/promql: an attempt to improve heuristics for dropping trailing data points in time series 
Now trailing data points are additionally dropped for time series with a single raw sample

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-10-17 10:44:26 +03:00
Aliaksandr Valialkin
b9a4601c97 app/vmselect/promql: return a single time series at max from absent() function like Prometheus does 2020-10-13 15:56:10 +03:00
Aliaksandr Valialkin
217c192c88 app/vmselect/promql: improve time series staleness detection 
This should prevent from double counting for time series at the time when it changes label.
The most common case is in K8S, which changes pod uid label with each new deployment.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
 2020-10-13 12:20:08 +03:00
Aliaksandr Valialkin
f877e703c8 app/vmselect/promql: fix mode_over_time calculations 
Previously `mode_over_time` could return garbage due to improper shuffling of input data points.
 2020-10-13 11:58:30 +03:00
Aliaksandr Valialkin
d884ab13dc app/vmselect/prometheus: fix golangci-lint warning 2020-10-13 09:36:18 +03:00
Aliaksandr Valialkin
0867dea5fc app/vmselect: add ability to export data in CSV format via /api/v1/export/csv 2020-10-12 20:08:08 +03:00
Aliaksandr Valialkin
2d03d0e2dd app/vmselect/promql: keep metric name after applying more functions, which dont change time series meaning 
Functions are:

* keep_last_value
* keep_next_value
* interpolate
* running_min
* running_max
* running_avg
* range_min
* range_max
* range_avg
* range_first
* range_last
* range_quantile
* smooth_exponential

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/674
 2020-10-12 11:48:38 +03:00
Aliaksandr Valialkin
3881c84afe Revert "app/vmselect/promql: remove metric name after applying ceil, floor and round functions in order to be more consistent with Prometheus" 
This reverts commit ac45082216.

Reason for revert: the previous behavior for VictoriaMetrics is easier to understand and use by users -
functions, which don't change the meaning of the time series shouldn't drop metric name.

Now the following functions do not drop metric names:

* ceil
* floor
* round

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/674
 2020-10-12 11:48:38 +03:00
Aliaksandr Valialkin
79d70480b7 Revert "app/vmselect/promql: remove metric name after applying clamp_min and clamp_max functions in order to be consistent with Prometheus" 
This reverts commit bb61a4769b.

Reason for revert: the previous behavior for VictoriaMetrics is easier to understand and use by users -
functions, which don't change the meaning of the time series shouldn't drop metric name.

Now the following functions do not drop metric name:

* clamp_min
* clamp_max

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/674
 2020-10-12 11:48:38 +03:00
Aliaksandr Valialkin
8c37b63ea9 Revert "app/vmselect/promql: remove metric name from results of certain rollup functions in order to be consistent with Prometheus" 
This reverts commit e5202a4eae.

Reason for revert: the previous behavior for VictoriaMetrics is easier to understand and use by users -
functions, which don't change the meaning of the time series shouldn't drop metric name.

Now the following functions do not drop metric name:

* max_over_time
* min_over_time
* avg_over_time
* quantile_over_time
* geomean_over_time
* mode_over_time
* holt_winters
* predict_linear

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/674
 2020-10-12 11:48:38 +03:00
Aliaksandr Valialkin
f6ee6efc34 app/vmselect/promql: add missing label filters to binary operands before query execution 
This implements the optimization described at https://utcc.utoronto.ca/~cks/space/blog/sysadmin/PrometheusLabelNonOptimization

See also https://github.com/cortexproject/cortex/issues/3253
 2020-10-07 21:17:11 +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
3e0c473cc9 app/vmselect/promql: fill gaps on graphs for range_* and running_* functions 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/806
 2020-10-02 14:02:47 +03:00
Aliaksandr Valialkin
61f4801b93 app/vmselect/graphite: do not substitute path and path. with path.. in /metrics/find/?format=completer output 2020-09-29 18:03:45 +03:00
Aliaksandr Valialkin
0d082cdf53 app/vmselect/netstorage: remove unused code 2020-09-29 11:55:08 +03:00
Aliaksandr Valialkin
c47972d843 app/vmselect/prometheus: check for errors returned from bufferedwriter.Write 
This makes `make errcheck` happy
 2020-09-29 11:36:54 +03:00
Aliaksandr Valialkin
e66f7edfc9 app/vmselect/graphite: properly handle case when /metrics/find finds both leaf and node for the given query=prefix.* 
In this case only node must be returned with stripped dot in the end of id as carbonapi does
 2020-09-29 11:29:38 +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
db14f22fc0 app/vmselect: stop /api/v1/export/* execution if client disconnects 2020-09-27 23:52:42 +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
973df09686 app/vmselect/netstorage: do not spend CPU time on unpacking empty blocks during /api/v1/series calls 2020-09-24 20:44:15 +03:00
Aliaksandr Valialkin
b8bce348c5 app/vmselect/promql: properly limit implicitly set rollup window to -search.maxStalenessInterval 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/784
 2020-09-23 23:24:09 +03:00
Aliaksandr Valialkin
8627365b48 app/vmselect/prometheus: code cleanup after 3ba507000c 2020-09-23 13:04:51 +03:00
Aliaksandr Valialkin
1fce79518a app/vmselect/prometheus: return timestamps from /api/v1/query, which match the time query arg 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/720
 2020-09-23 12:59:23 +03:00
Aliaksandr Valialkin
0468cdf33e app/vmselect/netstorage: properly pre-allocate space for sbs 2020-09-22 23:51:01 +03:00
Aliaksandr Valialkin
69eb9783e6 app/vmselect: make sure the request doesnt wait in pending queue more than the configured timeout 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711
 2020-09-22 01:21:42 +03:00
Aliaksandr Valialkin
e564725641 app/vmselect/searchutils: fixed tests after 2eb72e09ab 2020-09-21 21:31:28 +03:00
Aliaksandr Valialkin
07c6226334 app/vmselect: use time value rounded to seconds if it isnt passed to /api/v1/query 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/720
 2020-09-21 21:24:46 +03:00
Aliaksandr Valialkin
a1bebb660c app/vmselect/graphite: return proper results /metrics/find?query=foo.*.bar according to Graphite Metrics API 2020-09-18 11:53:28 +03:00
Aliaksandr Valialkin
9793008734 app/vmselect: add -search.storageTimeout command-line flag for limiting the maximum duration of query execution per each -storageNode 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711
 2020-09-16 21:33:47 +03:00
Aliaksandr Valialkin
a9205fe308 app/vmselect: prevent from closing connection to vmstorage on query timeout by setting +2 secs deadline on connection comparing to query deadline 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/711
 2020-09-16 21:14:00 +03:00
Aliaksandr Valialkin
1587f83fa0 app/vmselect/netstorage: typo fix after 03dfccfbed 2020-09-16 00:10:33 +03:00
Aliaksandr Valialkin
03dfccfbed app/vmselect/netstorage: reduce memory usage when the time range from query touches big number of samples per each time series 2020-09-15 21:08:09 +03:00
Aliaksandr Valialkin
27cd5555e6 app/vmselect/netstorage: mention that RunParallel or Cancel must be called on the returned results from ProcessSearchQuery 2020-09-15 20:39:43 +03:00
Aliaksandr Valialkin
1f0c0b0f6b app/vmselect: typo fix in -search.maxStalenessInterval description 2020-09-15 14:25:34 +03:00
Aliaksandr Valialkin
b776a93608 app/vmselect/promql: support composite durations like Prometheus 2.21 does 
The following durations are supported now: `1h5m35s` or `1s543ms`

See https://github.com/prometheus/prometheus/releases/tag/v2.21.0
and https://github.com/prometheus/prometheus/pull/7713
 2020-09-11 22:17:24 +03:00
Aliaksandr Valialkin
d3ad0d365e app/vmselect: move Deadline from netstorage to searchutils 
This removes dependency on netstorage from searchutils.
 2020-09-11 13:39:13 +03:00
Aliaksandr Valialkin
579c20756a app/vmselect: substitute inf values at smooth_exponential with the previous values 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/757
 2020-09-11 12:23:56 +03:00
Aliaksandr Valialkin
d67e6d3d2e app/vmselect: skip infinite values when calculating smooth_exponential 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/757
 2020-09-11 11:57:53 +03:00
Aliaksandr Valialkin
06427a184f app/vmselect/graphite: typo fix in label name for vm_request_duration_seconds metric 2020-09-11 01:59:52 +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
f3a79abfb4 app/vmselect/promql: go fmt 2020-09-08 15:18:57 +03:00
Aliaksandr Valialkin
4f06eed1c1 app/vmselect/promql: adjust integrate() calculations to be more similar to calculations from InfluxDB: attempt #2 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/701
 2020-09-08 14:36:23 +03:00
Aliaksandr Valialkin
0d0b606455 app/vmselect/promql: adjust integrate() calculations to be more similar to calculations from InfluxDB 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/701
 2020-09-08 14:24:02 +03:00
Aliaksandr Valialkin
db91045348 app/vmselect/promql: increase floating point calculations accuracy by dividing by 1e3 instead of multiplying by 1e-3 2020-09-08 14:01:02 +03:00
Aliaksandr Valialkin
804304c365 app/vmselect: add missing deletion for temporary files on partial responses when -search.denyPartialResponse=true 2020-09-04 02:23:12 +03:00
Aliaksandr Valialkin
478d8f8393 app/vmselect/promql: add count_le_over_time(m[d], le) and count_gt_over_time(m[d], gt) functions 
These functions returns the number of raw samples that don't exceed `le` or are bigger than `gt`.
These functions are complement to already existing `share_le_over_time(m[d], le)` and `share_gt_over_time(m[d], gt)`.
 2020-09-03 15:28:58 +03:00
Aliaksandr Valialkin
3490160fd0 app/vmselect: unconditionally align time range boundaries to step for subqueries as Prometheus does 2020-09-03 13:22:06 +03:00
Aliaksandr Valialkin
6aab2f4989 all: allow using KB, MB, GB, KiB, MiB and GiB suffixes in command-line flag values related to byte sizes or byte rates 2020-08-16 17:08:28 +03:00
Aliaksandr Valialkin
285665e93b app/vmselect/promql: allow passing multiple args to aggregate functions such as avg(q1, q2, q3) 2020-08-15 01:15:16 +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
62b6e54622 app/vmselect: reduce memory usage when exporting time series with big number of samples via /api/v1/export if max_rows_per_line is set to non-zero value 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/685
 2020-08-10 20:57:43 +03:00
Aliaksandr Valialkin
c9f5c5623f app/vmselect/netstorage: vary batch size for data unpacking depending on the available CPU cores 
This should reduce contention on the channel with unpack work for systems with high number of CPU cores
 2020-08-10 15:16:48 +03:00
Aliaksandr Valialkin
95a8c492ef app/vmselect/promql: properly handle -n^m like Prometheus does 
`-n^m` must be handled as `-(n^m)` instead of `(-n)^m`.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/675
 2020-08-07 07:42:42 +03:00
Aliaksandr Valialkin
7f93d61a56 app/vmselect/promql: remove metric name after applying clamp_min and clamp_max functions in order to be consistent with Prometheus 
This improves VictoriaMetrics score at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:42:55 +03:00
Aliaksandr Valialkin
01000505a0 app/vmselect/promql: remove metric name after applying ceil, floor and round functions in order to be more consistent with Prometheus 
This improves VictoriaMetrics score at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:34:03 +03:00
Aliaksandr Valialkin
75bff1a567 app/vmselect/promql: remove metric name from results of certain rollup functions in order to be consistent with Prometheus 
Rollup functions:

  - avg_over_time
  - min_over_time
  - max_over_time
  - quantile_over_time

This improves VictoriaMetrics results at https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:29:18 +03:00
Aliaksandr Valialkin
8835004a4c app/vmselect: properly handle PromQL queries like scalar1 < metric < scalar2 like Prometheus does 
This fixes some cases from https://promlabs.com/promql-compliance-test-results-victoriametrics/
 2020-08-06 23:21:14 +03:00
Aliaksandr Valialkin
14ddb8a34e app/vmselect/netstorage: reduce CPU contention when upacking time series blocks by unpacking batches of such blocks instead of a single block 
This should improve query performance on systems with big number of CPU cores (16 and more)
 2020-08-06 17:50:13 +03:00
Aliaksandr Valialkin
46c98cd97a app/vmselect/netstorage: reduce contention on unpackworkCh and timeseriesWorkCh for multi-CPU system by providing more capacity for these chans 2020-08-06 17:22:39 +03:00
Aliaksandr Valialkin
a04f4a3d9a app/vmselect: use warning level instead of info level for logging slow queries that take longer than -search.logSlowQueryDuration 2020-08-04 20:24:38 +03:00
Aliaksandr Valialkin
bdb881c43b app/vmselect/promql: add zscore-related functions: zscore_over_time(m[d]) and zscore(q) by (...) 2020-08-03 21:52:15 +03:00
Aliaksandr Valialkin
94471a1273 app: remove duplicate *-pure makefile rules 2020-07-31 20:01:30 +03:00