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361 Commits

Author SHA1 Message Date
Aliaksandr Valialkin
25997a70f1 Revert "app/vmselect/promql: properly handle Prometheus staleness marks in removeCounterResets functions" 
This reverts commit 94dfcb6747a3b29a11d14e71bea21a2312bb6346.

It is better to remove staleness marks (decimal.StaleNaN) before calling rollupConfig.Do, e.g. in preFunc
 2021-08-15 13:19:16 +03:00
Aliaksandr Valialkin
73d7b568da app/vmselect/promql: properly handle Prometheus staleness marks in removeCounterResets functions 
Prometheus stalenss marks shouldn't be changed in removeCounterResets. Otherwise they will be converted to an ordinary NaN values,
which couldn't be removed in dropStaleNaNs() function later. This may result in incorrect calculations for rollup functions.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
 2021-08-14 12:45:57 +03:00
Aliaksandr Valialkin
4401464c22 all: add support for Prometheus staleness markers 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1526
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/748
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1509
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1530
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/845
 2021-08-13 12:10:17 +03:00
Aliaksandr Valialkin
e92fde7945 app/vmselect/promql: add present_over_time(m[d]) function, which will be available starting from Prometheus 2.29.0 
See https://github.com/prometheus/prometheus/releases/tag/v2.29.0-rc.0 and https://github.com/prometheus/prometheus/pull/9097
 2021-08-03 16:11:49 +03:00
Aliaksandr Valialkin
8b7917cd81 all: add go:build lines for Go1.17 
See https://tip.golang.org/doc/go1.17#gofmt for more details
 2021-07-26 15:48:21 +03:00
Aliaksandr Valialkin
05672ffc32 app/vmselect/promql: properly handle (a op b) default N if (a op b) returns NaN series 
The result should be a series with `N` values and `a op b` labels. Previously such series has been removed from the result.
 2021-07-16 01:44:58 +03:00
Aliaksandr Valialkin
a925d5a3e1 app/vmselect/promql: duration handling improvements in MetricsQL queries 
- Support durations anywhere in MetricsQL queries. E.g. sum_over_time(m[1h])/1h is equivalent to sum_over_time(m[1h])/3600
- Support durations without suffix. E.g. rate(m[300]) is equivalent to rate(m[5m])
 2021-07-12 17:16:41 +03:00
Aliaksandr Valialkin
cdfae0117a app/vmselect/promql: return the last timestamp for the max / min value from tmax_over_time() and tmin_over_time() function as most users expect 2021-06-23 14:19:00 +03:00
Aliaksandr Valialkin
83a4db813e app/vmselect: log slow requests to all the /api/v1/* handlers if their execution time exceeds -search.logSlowQueryDuration 2021-06-18 19:04:42 +03:00
Roman Khavronenko
fb4f758715
promql: fix increase_pure calculation for cases with stale series (#1381) 
Due to staleness handling, increase_pure were using incorrect previous value
during calculation in cases where series disappears for period longer
than staleness period and then returns back. The fix suppose to account
for a real datapoint value before staleness takes place. The fix should
remove unexpected spikes while using `increase_pure` for staled series.
 2021-06-15 17:37:19 +03:00
John Belmonte
67b17cdd68
spelling fix: synonym (#1363) 2021-06-10 08:32:52 +03:00
Aliaksandr Valialkin
d0dca62026 app/vmselect/promql: typo fix in the comment 2021-06-09 18:34:31 +03:00
Aliaksandr Valialkin
0842bb9294 app/vmselect/promql: add timezone_offset(tz) function 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1306
 2021-05-20 11:53:09 +03:00
Aliaksandr Valialkin
544821b719 app/vmselect/promql: fix tests after d3fa0ccabd 2021-04-08 00:18:01 +03:00
Aliaksandr Valialkin
d3fa0ccabd app/vmselect/promql: properly detect aggregate topk* and bottomk* aggregate functions in order to disable duplicate sorting 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1189
 2021-04-08 00:09:40 +03:00
Aliaksandr Valialkin
1177dca3da app/vmselect: do not sort series returned from topk* and bottomk* functions, since these series are already sorted in user-expected order 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1189
 2021-04-07 14:16:08 +03:00
Aliaksandr Valialkin
7a0b964e8d app/vmselect/promql: do not delete dst_label if src_label is empty in label_copy(q, src_label, dst_label) and label_move(q, src_label, dst_label) 2021-04-03 22:05:06 +03:00
Aliaksandr Valialkin
3055ab0115 app/vmselect/promql: add ability to set label value additionally to label name for the remaining sum of time series returned from topk_* and bottomk_* functions in the form: topk_min(N, m, "label=value") 2021-04-02 23:55:54 +03:00
Aliaksandr Valialkin
c79e4a2f90 app/vmselect/promql: remove the limit on the number of time series that can be sorted, since it may confuse users 
Always sort time series returned from `/api/v1/query` and `/api/v1/query_range` unless `sort_*` function is used at top level of the query.
 2021-04-02 15:02:08 +03:00
Aliaksandr Valialkin
aa81039b42 app/vmselect: log the metric which trigger rollup result cache reset 
This should help finding the source of stale metrics
 2021-03-25 21:31:39 +02:00
Aliaksandr Valialkin
0b2a66db30 app/vmselect/promql: do not merge time series during requests to /api/v1/query 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1141
 2021-03-25 13:56:07 +02:00
Aliaksandr Valialkin
71b72304ae app/vmselect: improve description for -search.maxPointsPerTimeseries command-line flag 2021-03-22 16:45:34 +02:00
Aliaksandr Valialkin
cef010d5f7 app/vmselect/promql: increment key prefix for faster reset for rollup result cache 2021-03-22 11:59:07 +02:00
Aliaksandr Valialkin
b1713e3fcd app/vmselect/promql: typo fix after 9666834045 2021-03-17 15:12:11 +02:00
Aliaksandr Valialkin
9666834045 app/vmselect/promql: merge adjancent buckets with the smallest summary number of hits in buckets_limit() function 
This should improve accuracy for the returned buckets
 2021-03-17 14:31:41 +02:00
Aliaksandr Valialkin
f0a4157f89 app/vmselect/promql: do not crash if histogram_over_time() function name contains uppercase letters such as Histogram_over_time() 2021-03-16 12:24:21 +02:00
Aliaksandr Valialkin
923cdb0552 app/vmselect/promql: reduce overhead on scrape interval estimation 
It should be enough to use the first 20 datapoints instead of 100 datapoints for scrape interval estimation.
 2021-03-15 20:31:33 +02:00
Aliaksandr Valialkin
82aab87446 app/vmselect/promql: fix tests after 2dae0a2c47 2021-03-15 20:18:59 +02:00
Aliaksandr Valialkin
2dae0a2c47 app/vmselect: add round_digits query arg to /api/v1/query and /api/v1/query_range handlers for limiting the number of decimal digits after the point 2021-03-15 12:36:33 +02:00
Aliaksandr Valialkin
fe8b12fbad app/vmselect/promql: follow up for 433fff0006 2021-03-09 12:48:44 +02:00
Nikolay
433fff0006
duplicate timeseries fix for prometheus_buckets function (#1119) 
* try fix for prometheus_buckets

* merge possible end of the bucket collision
 2021-03-09 12:26:23 +02:00
Aliaksandr Valialkin
a14053ffa0 app/vmselect/promql: add histogram_avg(), histogram_stddev() and histogram_stdvar() functions to MetricsQL 2021-03-04 14:12:07 +02:00
Nikolay
186c078fac
adds enforced tag filters into cache key (#1095) 2021-02-27 00:15:53 +02:00
Aliaksandr Valialkin
d86e9b49c4 app/vmselect/promql: increase accuracy for buckets_limit() function for small limits by skipping the first and the last buckets during merge 
The first and the last buckets are usually `[0 ... leMin]` and `(leMax ... +Inf)`. If they are merged with adjancent buckets,
then the resulting accuracy can suffer.
 2021-02-26 22:56:36 +02:00
Aliaksandr Valialkin
98854e5f2b app/vmselect: add sign(q) and clamp(q, min, max) functions, which will be added in the upcoming Prometheus release 
See https://twitter.com/roidelapluie/status/1363428376162295811

The `last_over_time(m[d])` function already exists in MetricsQL.
 2021-02-24 17:24:56 +02:00
Aliaksandr Valialkin
f4135b0d14 app/vmselect/promql: properly calculate histogram_quantile() over zero buckets and only a single non-zero le="+Inf"` bucket like Prometheus does 2021-02-24 00:42:22 +02:00
Aliaksandr Valialkin
fa03e0d210 app/vmselect/promql: add increase_pure() function to MetricsQL 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/962
 2021-02-22 19:14:15 +02:00
Aliaksandr Valialkin
9c70c1f21f app/vmselect/promql: reduce the probability of duplicate time series errors when querying Kubernetes metrics 2021-02-18 22:07:29 +02:00
Aliaksandr Valialkin
4e39bf148c vendor: update github.com/VictoriaMetrics/metrics from v1.13.1 to v1.14.0 
The new version switches from log-linear histograms to log-based histograms,
which provide up to 3.6 times better accuracy.
 2021-02-15 15:12:29 +02:00
Aliaksandr Valialkin
2d33230793 app/vmselect/promql: properly make copies of EvalConfig 2021-02-11 12:41:15 +02:00
Aliaksandr Valialkin
7a3a9421f3 app/vmselect/promql: make a copy of EvalConfig when executing q1 and q2 in parallel for q1 binary_op q2 
This should prevent from data races if the underlying functions modify EvalConfig contents.
 2021-02-10 23:05:55 +02:00
Aliaksandr Valialkin
04faea8b45 app/vmselect: parallelize q1 <binary_op> q2 queries by running q1 and q2 in parallel 
This should reduce query execution times.
 2021-02-10 22:59:39 +02:00
Aliaksandr Valialkin
8629fd8a72 app/vmselect: deprecate -search.treatDotsAsIsInRegexps in favor to {__graphite__="foo.*.bar"} syntax 2021-02-03 20:36:01 +02:00
Aliaksandr Valialkin
b43b498fd8 app/vmselect: add ability to pass extra_label=<label>=<value> query arg to Prometheus Querying API 
This enforced `{label="value"}` label filter to the query.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1021
 2021-02-01 18:04:17 +02:00
Aliaksandr Valialkin
c164a8d231 app/vmselect/promql: improve documentation for -search.maxPointsPertimeseries command-line flag 
This should reduce incorrect usage and assumptions for this flag.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/1020
 2021-01-22 13:00:10 +02:00
Aliaksandr Valialkin
8749c2dd92 app/vmselect: add -search.maxStepForPointsAdjustment command-line flag, which can be used for disabling adjustment for points returned from /api/v1/query_range handler if they have timestamps closer than -search.latencyOffset to the current time 2021-01-19 22:56:32 +02:00
Aliaksandr Valialkin
1051d8aa2d app/vmselect/promql: add ability to pass multiple labels to sort_by_label and sort_by_label_desc functions 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/992
 2021-01-13 12:44:51 +02:00
Aliaksandr Valialkin
acf1a2c72b app/vmselect/promql: properly parse escaped multibyte utf8 code sequences in metric names and labels names 
See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/990
 2021-01-13 10:59:42 +02:00
Aliaksandr Valialkin
1837f2f7d3 app/vmselect/promql: add tfirst_over_time(m[d]) and tlast_over_time(m[d]) MetricsQL functions for returning timestamps for the first and the last samples in m over d 2021-01-12 16:12:12 +02:00
Aliaksandr Valialkin
c86286ec1d app/vmselect/promql: do not ajdust offset value provided in the query 
Previously it could be modified in order to improve response cache hit ratio.
This is unneeded, since cache hit ratio should remain good because the query time range
should be already aligned to multiple of `step` values.

See https://github.com/VictoriaMetrics/VictoriaMetrics/issues/976
 2020-12-27 14:09:25 +02:00
Aliaksandr Valialkin
df0309eae0 app/vmselect/promql: simplify defer call for querystats.RegisterQuery 2020-12-27 12:06:04 +02:00
Aliaksandr Valialkin
59183f66d0 app/vmselect: refactor /api/v1/stats/top_queries 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/907
 2020-12-25 16:44:29 +02:00
Nikolay
86630350bf
Adds query stats handler (#945) 
* Adds query stat handler,
for query and query_range api, victoriametrics tracks query execution time,
stats are expored at /api/v1/status/queries endpoint with topN param
https://github.com/VictoriaMetrics/VictoriaMetrics/issues/907

* fixed query stats bugs

* improves queryStats tracker

* improves query stat

* small fix

* fix tests

* added more tests

* fixes 386 tests

* naming fixes

* adds drop for outdated records
 2020-12-25 16:42:05 +02:00
Aliaksandr Valialkin
88ac4dfc07 app/vmselect: properly parse negative combined offsets such as -1h2m3s 
Previously such offsets were parsed as `-1h + 2m + 3s`. Now they are parsed as `-(1h + 2m + 3s)`.
 2020-12-19 01:23:46 +02:00
Aliaksandr Valialkin
11fa458e39 app/vmselect/promql: return expected increase() result for the first point on the graph with value not exceeding 100 2020-12-15 13:40:46 +02:00
Aliaksandr Valialkin
5ebfc275e6 app/victoria-metrics: automatically reset response cache when samples with too timestamps older than now - search.cacheTimestampOffset are ingested 2020-12-14 13:08:28 +02:00
Aliaksandr Valialkin
4146fc4668 all: properly handle CPU limits set on the host system/container 
This can reduce memory usage on systems with enabled CPU limits.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/946
 2020-12-08 21:07:29 +02:00
Aliaksandr Valialkin
1906f841c9 app/vmselect/promql: do not reduce lookbehind window for any_rollup_func(m) to -search.maxStalenessInterval. It should equal to step value passed to /api/v1/query_range as most users expect 2020-12-08 15:16:17 +02:00
Aliaksandr Valialkin
e2e8ef86d9 app/vmselect/promql: add count_eq_over_time(m[d], N) and count_ne_over_time(m[d], N) for calculating the number of samples in m over d that are equal / not equal to N 2020-12-05 12:30:46 +02:00
Aliaksandr Valialkin
66379cc69f app/vmselect/promql: add label_uppercase(q, label1, ... labelN) and label_lowercase(q, label1, ... labelN) functions 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/936
 2020-12-03 21:47:36 +02:00
Aliaksandr Valialkin
44a34a0f5f app/vmselect/promql: make fmt 2020-12-02 21:33:35 +02:00
Aliaksandr Valialkin
1982505c2b app/vmselect/promql: return nan from minute(m) when m equals to nan 
This aligns VictoriaMetrics behaviour with Prometheus behaviour.

The issue has been spotted in https://promlabs.com/promql-compliance-test-results/2020-12-01/victoriametrics/
 2020-12-02 20:16:58 +02:00
Aliaksandr Valialkin
9d87496b50 app/vmselect/promql: do not return 0 value from sum_over_time(m[d]) when there are no samples on the given d window. 
This aligns the behaviour of `sum_over_time()` with other `_over_time()` functions and with Prometheus behavior.
 2020-12-02 13:12:50 +02:00
Aliaksandr Valialkin
91a4c279cc app/vmselect: return metric values from time() cmp_op metric query when cmp_op comparison is true 
This aligns MetricsQL behavior to Prometheus' one.

The issue has been identified at https://promlabs.com/promql-compliance-test-results/2020-12-01/victoriametrics/
 2020-12-02 12:09:34 +02:00
Aliaksandr Valialkin
700bda8e2e app/vmselect/promql: return nan from a >bool b if a is nan in the same way as Prometheus does 2020-12-02 00:28:26 +02:00
Aliaksandr Valialkin
2859a452d4 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 20:38:32 +02:00
Aliaksandr Valialkin
266788be14 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 18:24:00 +02:00
Aliaksandr Valialkin
d9d01f976b 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 15:23:44 +02:00
Aliaksandr Valialkin
1f19c167a4 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 14:59:24 +02:00
Aliaksandr Valialkin
348edd92fe app/vmselect: add -search.treatDotsAsIsInRegexps command-line flag for automatic escaping of dots in regexp label filters 2020-11-11 12:39:07 +02:00
Aliaksandr Valialkin
47390d8947 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 14:51:44 +02:00
Aliaksandr Valialkin
ba4a2c8bca app/vmselect: typo fix in a description for -search.minStalenessInterval: mimimum->minimum 2020-11-10 01:18:08 +02:00
Aliaksandr Valialkin
dd6bfa50e9 app/vmselect/promql: code cleanup after 43823addea 2020-11-06 01:30:50 +02:00
n4mine
43823addea
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 01:29:24 +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
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
1b3efccb24 app/vmselect: stop /api/v1/export/* execution if client disconnects 2020-09-27 23:53:13 +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
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