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221 commits

Author SHA1 Message Date
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
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
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
Aliaksandr Valialkin
e706e59d49 app/vmselect: unconditionally align time range boundaries to step for subqueries as Prometheus does 2020-09-03 13:29:50 +03:00
Aliaksandr Valialkin
7d89fafe1a app/vmselect/promql: allow passing multiple args to aggregate functions such as avg(q1, q2, q3) 2020-08-15 01:15:09 +03:00
Aliaksandr Valialkin
716754fae6 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 07:42:18 +03:00
Aliaksandr Valialkin
bb61a4769b 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 23:42:37 +03:00
Aliaksandr Valialkin
ac45082216 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 23:34:37 +03:00
Aliaksandr Valialkin
e5202a4eae 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 23:29:13 +03:00
Aliaksandr Valialkin
68e4f40a72 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 23:21:03 +03:00
Aliaksandr Valialkin
5d0c37bec0 app/vmselect: use warning level instead of info level for logging slow queries that take longer than -search.logSlowQueryDuration 2020-08-04 20:25:35 +03:00
Aliaksandr Valialkin
e6eee2bebf app/vmselect/promql: add zscore-related functions: zscore_over_time(m[d]) and zscore(q) by (...) 2020-08-03 21:52:18 +03:00
Aliaksandr Valialkin
509d12643b app/vmselect: show X-Forwarded-For contents on /api/v1/status/active_queries page 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/659
 2020-07-31 20:05:18 +03:00
Aliaksandr Valialkin
f0c678c41b app/vmselect: do not adjust start and end query args passed to /api/v1/query_range when -search.disableCache command-line flag is set 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/563
 2020-07-30 23:14:37 +03:00
Aliaksandr Valialkin
328b52e5ff app/vmselect/promql: return non-empty value from rate_over_sum(m[d]) even if a single data point is located in the given [d] window 
Just divide the data point value by the window duration in this case.
 2020-07-29 12:37:58 +03:00
Aliaksandr Valialkin
700737c181 app/vmselect/promql: remove rollupFuncArg.realPrevValue handling, since the corner case in increase() is handled in another way now 
See e00cfc854d for the approach used now.
 2020-07-29 12:37:58 +03:00
Aliaksandr Valialkin
2f735f112d app/vmselect/promql: fill gaps with 0 in rate_over_sum response when the last value before the selected time window isnt empty 2020-07-29 12:37:58 +03:00
Aliaksandr Valialkin
79c30cf4cb app/vmselect: show query origin (aka remote_addr or client address) on the /api/v1/status/active_queries page for every query 2020-07-28 15:13:08 +03:00
Aliaksandr Valialkin
0da202023b app/vmselect/promql: return empty values from group() if all the time series have no values at the given timestamp 
This aligns `group()` behaviour to Prometheus
 2020-07-28 13:40:11 +03:00
Aliaksandr Valialkin
894dcb7c1c app/vmselect/promql: improve further the accuracy of buckets_limit() function 
The accuracy is increased by mergin the smallest bucket with the smallest adjacent bucket.
 2020-07-26 12:10:13 +03:00
Aliaksandr Valialkin
edb1eca6f1 app/vmselect/promql: avoid dropping inf bucket in buckets_limit 
The `le="inf"` bucket must be preserved in order to maintain the maximum level of accuracy.
 2020-07-25 17:00:36 +03:00
Aliaksandr Valialkin
97b6f5d223 app/vmselect/promql: optimize buckets_limit(k, buckets) for big number of buckets 2020-07-25 13:24:03 +03:00
Aliaksandr Valialkin
bb161497cf app/vmselect/promql: improve the accuracy of buckets_limit(k, buckets) function 
Now it properly merges the bucket with the previous bucket after deletion.
 2020-07-24 17:07:49 +03:00
Aliaksandr Valialkin
994fa2f3bf app/vmselect/promql: add buckets_limit(k, buckets) function, which limits the number of buckets per time series to k 
This function works with both Prometheus-style and VictoriaMetrics-style buckets.
The function removes buckets with the lowest values in order to reserve the highest precision.
The function is useful for building heatmaps in Grafana from too big number of buckets.
 2020-07-24 16:13:53 +03:00
Aliaksandr Valialkin
e151c5c644 app/vmselect: fix tests for rate_over_sum 2020-07-24 02:35:28 +03:00
Aliaksandr Valialkin
3107c633e3 app/vmselect/promql: typo fix after 3e557c9861 2020-07-24 02:15:58 +03:00
Aliaksandr Valialkin
3e557c9861 app/vmselect/promql: add rate_over_sum(m[d]) function to MetricsQL, which returns rate over sum of m values over d duration 
Something like `sum_over_time(m[d]) / d`, but more accurate.
 2020-07-24 01:17:42 +03:00
Aliaksandr Valialkin
b1f6843bd0 app/vmselect/promql: allow setting [d] window smaller than the interval between raw points for avg_over_time 
This makes `avg_over_time` behavior consistent with `sum_over_time` and `count_over_time` behaviors.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/636
 2020-07-23 22:25:43 +03:00
Aliaksandr Valialkin
caa2952aa6 app/vmselect: take into account the time spent in wait queue before query execution as time spent on the query 2020-07-21 19:00:09 +03:00
Aliaksandr Valialkin
e00cfc854d 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 17:24:10 +03:00
Aliaksandr Valialkin
b9c8f6bf34 app/vmselect: log the total available memory for concurrent requests on not enough memory errors 
This should simplify root cause analysis
 2020-07-20 19:51:40 +03:00
Aliaksandr Valialkin
ecb1b2564a app/vmselect/promql: add mode() aggregate function 2020-07-20 15:31:20 +03:00
Aliaksandr Valialkin
1c641037e8 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 18:28:45 +03:00
Aliaksandr Valialkin
6b5ad535ae app/vmselect/promql: optimize group(rollup(m)) calculations 2020-07-17 16:47:16 +03:00
Aliaksandr Valialkin
8949d65ad1 app/vmselect/promql: check that any() doesn't touch metric name 2020-07-17 16:23:21 +03:00
Aliaksandr Valialkin
aa5d88055d 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 15:17:55 +03:00
Aliaksandr Valialkin
df01836818 app/vmselect/promql: keep all labels for time series from any() call 2020-07-17 15:17:54 +03:00
Aliaksandr Valialkin
9c350bc20d app/vmselect/promql: add missing tests for ifnot binary operation 2020-07-09 13:24:06 +03:00
Aliaksandr Valialkin
256fd9a87e app/vmselect/promql: refactor implementations for and and unless binary operations, so they are closer to or implementation 2020-07-09 13:05:55 +03:00
Aliaksandr Valialkin
2d9b3ad5b3 app/vmselect/promql/active_queries.go: simplify code a bit by inlining getNextActiveQueryID function 2020-07-09 11:18:30 +03:00
Aliaksandr Valialkin
742da690f4 app/vmselect: add /api/v1/status/active_queries page with the list of currently running queries 
This is a follow-up for https://github.com/VictoriaMetrics/VictoriaMetrics/pull/598

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/pull/575
 2020-07-08 18:55:38 +03:00
DexterZhang
99f54e44ff
feat(vmselect): add current running query list, add ability for getting the running query info and killing running query for master branch (#598) 2020-07-08 18:52:55 +03:00
Aliaksandr Valialkin
5d3db3ff7c app/vmselect: add interpolate function for filling gaps with linearly interpolated values 
See https://stackoverflow.com/q/62565021/274937 for details
 2020-07-02 14:54:21 +03:00
Aliaksandr Valialkin
d5dddb0953 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 23:05:11 +03:00