Aliaksandr Valialkin
b378cd6ed8
app/vmselect: optimize querying for /api/v1/labels
and /api/v1/label/<name>/values
when start
and end
args are set
2020-11-05 01:01:33 +02:00
Aliaksandr Valialkin
caeb74f068
app/vmselect: reduce memory usage when query touches big number of time series
2020-11-04 17:04:04 +02:00
Aliaksandr Valialkin
5e75c389e6
app/vmselect/promql: allow dropping trailing sample only for default_rollup
function
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/850
2020-11-02 02:10:59 +02:00
Aliaksandr Valialkin
cb71af216a
app/vmselect/promql: go fmt
2020-11-02 00:15:29 +02:00
Aliaksandr Valialkin
daacbc7e34
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 00:12:37 +02:00
Aliaksandr Valialkin
c539494b36
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
2020-11-01 23:35:06 +02:00
Aliaksandr Valialkin
28353e48ca
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 10:44:34 +03:00
Aliaksandr Valialkin
a2b9476897
app/vmselect/promql: return a single time series at max from absent()
function like Prometheus does
2020-10-13 15:56:04 +03:00
Aliaksandr Valialkin
9aa3b65766
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 12:19:57 +03:00
Aliaksandr Valialkin
d8af290947
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 11:58:25 +03:00
Aliaksandr Valialkin
1e27420243
app/vmselect/prometheus: fix golangci-lint warning
2020-10-13 09:36:11 +03:00
Aliaksandr Valialkin
4f16a964e3
app/vmselect: add ability to export data in CSV format via /api/v1/export/csv
2020-10-12 20:08:17 +03:00
Aliaksandr Valialkin
762c967855
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 11:47:06 +03:00
Aliaksandr Valialkin
45f7cdc532
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 11:40:34 +03:00
Aliaksandr Valialkin
a94825b169
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 11:38:27 +03:00
Aliaksandr Valialkin
f7d28bddbf
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 11:35:18 +03:00
Aliaksandr Valialkin
e9f2e2cbc9
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 21:15:09 +03:00
Aliaksandr Valialkin
59c26feefa
app/vmselect/promql: fill gaps on graphs for range_*
and running_*
functions
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/806
2020-10-02 13:59:45 +03:00
Aliaksandr Valialkin
f7636b0342
app/vmselect/graphite: do not substitute path
and path.
with path..
in /metrics/find/?format=completer
output
2020-09-29 18:03:26 +03:00
Aliaksandr Valialkin
96ee276e6e
app/vmselect/prometheus: check for errors returned from bufferedwriter.Write
...
This makes `make errcheck` happy
2020-09-29 11:37:01 +03:00
Aliaksandr Valialkin
6fdfc67620
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 11:01:59 +03:00
Aliaksandr Valialkin
1b3efccb24
app/vmselect: stop /api/v1/export/*
execution if client disconnects
2020-09-27 23:53:13 +03:00
Aliaksandr Valialkin
95688cbfc5
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 19:54:07 +03:00
Aliaksandr Valialkin
82973f8ae7
Revert "lib/storage: remove unused fetchData
arg from BlockRef.MustReadBlock"
...
This reverts commit bab6a15ae0
.
Reason for revert: the `fetchData` arg is used in cluster branch.
Leaving this arg in master branch makes smaller the diff with cluster branch.
2020-09-24 22:44:23 +03:00
Aliaksandr Valialkin
bab6a15ae0
lib/storage: remove unused fetchData
arg from BlockRef.MustReadBlock
...
This arg became unused after 23bdc1f107
2020-09-24 20:48:40 +03:00
Aliaksandr Valialkin
23bdc1f107
app/vmselect/netstorage: do not spend CPU time on unpacking empty blocks during /api/v1/series
calls
2020-09-24 20:18:10 +03:00
Aliaksandr Valialkin
c584aece38
app/vmselect/promql: properly limit implicitly set rollup window to -search.maxStalenessInterval
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/784
2020-09-23 23:23:59 +03:00
Aliaksandr Valialkin
27500d7d4c
app/vmselect/prometheus: code cleanup after 3ba507000c
2020-09-23 13:04:17 +03:00
Aliaksandr Valialkin
3ba507000c
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 12:58:48 +03:00
Aliaksandr Valialkin
bed25e3c24
app/vmselect/netstorage: properly pre-allocate space for sbs
2020-09-22 23:49:55 +03:00
Aliaksandr Valialkin
09b0f7c202
app/vmselect/netstorage: release search resources on timeout errors
...
Previously these resources weren't released, which could lead to resource leaks.
2020-09-22 22:57:38 +03:00
Aliaksandr Valialkin
3b1e3a03e0
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 01:23:19 +03:00
Aliaksandr Valialkin
00b5145c69
app/vmselect/searchutils: fixed tests after 2eb72e09ab
2020-09-21 21:31:38 +03:00
Aliaksandr Valialkin
2eb72e09ab
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 21:24:40 +03:00
Aliaksandr Valialkin
98d1cd0971
app/vmselect/graphite: return proper results /metrics/find?query=foo.*.bar
according to Graphite Metrics API
2020-09-18 11:00:00 +03:00
Aliaksandr Valialkin
9f79bcf64a
app/vmselect: improve description for -search.maxQueryDuration
2020-09-16 21:15:41 +03:00
Aliaksandr Valialkin
1fec47a289
app/vmselect/netstorage: reduce memory usage when the time range from query touches big number of samples per each time series
2020-09-15 21:08:28 +03:00
Aliaksandr Valialkin
8c3d7c1a59
app/vmselect: typo fix in -search.maxStalenessInterval description
2020-09-15 14:24:27 +03:00
Aliaksandr Valialkin
0e533d1a9c
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 23:39:13 +03:00
Aliaksandr Valialkin
a2f647d142
app/vmselect/prometheus: typo fix in the description for -search.latencyOffset
command-line flag
2020-09-11 14:16:46 +03:00
Aliaksandr Valialkin
f0005c3007
app/vmselect: move Deadline from netstorage to searchutils
...
This removes dependency on netstorage from searchutils.
2020-09-11 13:27:13 +03:00
Aliaksandr Valialkin
2114179e19
app/vmselect: substitute inf values at smooth_exponential with the previous values
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/757
2020-09-11 12:24:14 +03:00
Aliaksandr Valialkin
204ec415b4
app/vmselect: skip infinite values when calculating smooth_exponential
...
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/757
2020-09-11 11:29:58 +03:00
Aliaksandr Valialkin
8a8b5a73d3
app/vmselect/graphite: typo fix in label name for vm_request_duration_seconds metric
2020-09-11 01:58:28 +03:00
Aliaksandr Valialkin
f6bc608e86
app/vmselect: initial implementation of Graphite Metrics API
...
See https://graphite-api.readthedocs.io/en/latest/api.html#the-metrics-api
2020-09-11 00:30:01 +03:00
Aliaksandr Valialkin
62919eaf7e
app/vmselect/promql: go fmt
2020-09-08 15:19:59 +03:00
Aliaksandr Valialkin
e6da63dffe
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 14:35:50 +03:00
Aliaksandr Valialkin
8e85b56737
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 14:23:39 +03:00
Aliaksandr Valialkin
c0343a661b
app/vmselect/promql: increase floating point calculations accuracy by dividing by 1e3
instead of multiplying by 1e-3
2020-09-08 14:00:47 +03:00
Aliaksandr Valialkin
f4e7e5fb90
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 15:29:10 +03:00