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