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Author SHA1 Message Date
Aliaksandr Valialkin
490c70a958 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 12:09:40 +02:00
Aliaksandr Valialkin
4ef7158e89 app/vmselect/promql: return nan from a >bool b if a is nan in the same way as Prometheus does 2020-12-02 00:28:56 +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
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
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
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
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
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
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
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
db14f22fc0 app/vmselect: stop /api/v1/export/* execution if client disconnects 2020-09-27 23:52:42 +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
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
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
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
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
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
a2aa3a60eb 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 20:01:09 +03:00
Aliaksandr Valialkin
0c00fe70cf 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 23:14:56 +03:00
Aliaksandr Valialkin
338ee47d60 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 12:37:34 +03:00
Aliaksandr Valialkin
717c554fb0 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 12:37:34 +03:00
Aliaksandr Valialkin
d9037b3970 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 12:37:34 +03:00
Aliaksandr Valialkin
0f6f0d30d3 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 15:14:40 +03:00
Aliaksandr Valialkin
9dccedc599 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 13:41:04 +03:00
Aliaksandr Valialkin
b191e425b3 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 12:10:56 +03:00
Aliaksandr Valialkin
43871e79c6 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 17:00:25 +03:00
Aliaksandr Valialkin
978c1e930e app/vmselect/promql: optimize buckets_limit(k, buckets) for big number of buckets 2020-07-25 13:24:33 +03:00
Aliaksandr Valialkin
51cbf27077 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 17:07:30 +03:00
Aliaksandr Valialkin
cf69b1ea6f 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 16:14:12 +03:00
Aliaksandr Valialkin
45334f61de app/vmselect: fix tests for rate_over_sum 2020-07-24 02:35:09 +03:00
Aliaksandr Valialkin
3526e8768a app/vmselect/promql: typo fix after 3e557c9861 2020-07-24 02:15:23 +03:00
Aliaksandr Valialkin
8d1721d128 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 01:17:15 +03:00
Aliaksandr Valialkin
88e8bed0c9 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 22:25:33 +03:00
Aliaksandr Valialkin
5bb4fe1ba4 app/vmselect: take into account the time spent in wait queue before query execution as time spent on the query 2020-07-21 19:00:00 +03:00
Aliaksandr Valialkin
0755cb3b50 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 17:24:28 +03:00
Aliaksandr Valialkin
71eba8dcf5 app/vmselect: log the total available memory for concurrent requests on not enough memory errors 
This should simplify root cause analysis
 2020-07-20 19:51:58 +03:00
Aliaksandr Valialkin
4d2011a87d app/vmselect/promql: add mode() aggregate function 2020-07-20 15:30:11 +03:00
Aliaksandr Valialkin
427fa43ce2 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 18:29:10 +03:00
Aliaksandr Valialkin
eb402a17bd app/vmselect/promql: optimize group(rollup(m)) calculations 2020-07-17 16:47:30 +03:00
Aliaksandr Valialkin
ea8dc85ba8 app/vmselect/promql: check that any() doesn't touch metric name 2020-07-17 16:23:11 +03:00
Aliaksandr Valialkin
fc8fe38a82 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 15:17:38 +03:00
Aliaksandr Valialkin
c64914a7e4 app/vmselect/promql: keep all labels for time series from any() call 2020-07-17 15:17:37 +03:00
Aliaksandr Valialkin
d449d0a0e1 app/vmselect/promql: add missing tests for ifnot binary operation 2020-07-09 13:24:12 +03:00
Aliaksandr Valialkin
7e706eea13 app/vmselect/promql: refactor implementations for and and unless binary operations, so they are closer to or implementation 2020-07-09 13:06:01 +03:00
Aliaksandr Valialkin
6c1a47b5e0 app/vmselect/promql/active_queries.go: simplify code a bit by inlining getNextActiveQueryID function 2020-07-09 11:18:53 +03:00
Aliaksandr Valialkin
fb86071552 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/575

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/528
 2020-07-08 19:09:31 +03:00
DexterZhang
9930ce1fa9
Feat/query list vmselect (#575) 
* feat(vmselect): add support for listing current running queries and canceling specific query

* fix(vmselect): change current queries' pid from int64 counter to uuid

* feat(vmselect): add auth to internal operations like `/resetRollupResultCache`, `/query/list` and `/query/kill`. add flag `internalAuthKey` for these auth

* fix(vmselect): add more info to current queries

* review: delete some unnecessary code and use function instead of init

* review: returen *queriesMap in newQueriesMap

* review: delete unused var in struct queriesMap, add comments to exported functions

* review: add return if error occurs

* feat(vmselect): truncate query string in current running query list API since the size of query string might be large;
                use query string's pointer in struct `query` for the same reason;
		add query info API to get full access of query's info;
 2020-07-08 19:04:29 +03:00
Aliaksandr Valialkin
f10e8809c0 app/vmselect: add interpolate function for filling gaps with linearly interpolated values 
See https://stackoverflow.com/q/62565021/274937 for details
 2020-07-02 14:54:46 +03:00
Aliaksandr Valialkin
d962568e93 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 23:33:46 +03:00
nicbaz
46c5c0772c vmselect: fix label_replace when mismatch (#579) 
As per documentation on `label_replace` function: "If the regular
expression doesn't match then the timeseries is returned unchanged".

Currently this behavior is not enforced, if a regexp on an existing
tag doesn't match then the tag value is copied as-is in the destination
tag. This fix first checks that the regular expression matches the
source tag before applying anything.

Given the current implementation, this fix also changes the behavior
of the **MetricsQL** `label_transform` function which does not
document this behavior at the moment.
 2020-06-23 23:54:29 +03:00
Aliaksandr Valialkin
70bf8218bb app/vmselect/promql: properly override label values from group_left and group_right lists like Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/577
 2020-06-21 16:32:27 +03:00
Aliaksandr Valialkin
6939e36fdd app/vmselect/promql: fill gaps on right side with values from left side of or operator in the same way as Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/552
 2020-06-18 23:05:23 +03:00
Aliaksandr Valialkin
d83c68ca03 app/vmselect/promql: add ascent_over_time(m[d]) and descent_over_time(m[d]) functions 
These functions could be useful in GPS tracking apps for calculating the summary for height gain/loss
over the given duration `d`.
 2020-05-21 12:06:34 +03:00
Aliaksandr Valialkin
8ff28f5b91 app/vmselect/promql: update numbers after the upgrade of github.com/VictoriaMetrics/metrics from v1.11.2 to v1.11.3 2020-05-20 03:07:07 +03:00
Aliaksandr Valialkin
7d46dd452a app/vmselect/promql: move common code from aggrFuncOutliersK and newAggrFuncRangeTopK into getRangeTopKTimeseries 2020-05-19 16:11:03 +03:00
Aliaksandr Valialkin
37068064dd app/vmselect/promql: fix outilersk calculations 2020-05-19 14:45:10 +03:00
Aliaksandr Valialkin
fc81ea38d4 app/vmselect/promql: add outliersk(N, m) aggregate function for anomaly detection across groups of similar time series 2020-05-19 13:52:44 +03:00
Aliaksandr Valialkin
3845420a8f lib: extract common code for returning fast unix timestamp into lib/fasttime 2020-05-14 23:06:50 +03:00
Aliaksandr Valialkin
f3d9a5b0ec app/vmselect/promql: suppress "SA4006: this value of dstValues is never used" error in golangci-lint 2020-05-13 11:46:05 +03:00
Aliaksandr Valialkin
18a0caee43 app/vmselect/promql: fix any(..) calculations - return all the data points instead of the first one 2020-05-12 20:36:49 +03:00
Aliaksandr Valialkin
81b8811cf4 app/vmselect/promql: remove -search.maxPointsPerTimeseries command-line flag 
Limit the estimated time series count after aggregation with grouping by the number of source time series.
 2020-05-12 19:54:44 +03:00
Aliaksandr Valialkin
408ade27a9 app/vmselect/promql: add any(x) by (y) aggregate function, which returns any time series from q for each group y 2020-05-12 19:50:29 +03:00
Aliaksandr Valialkin
21c2982ac8 app/vmselect/promql: support for sum(x) by (y) limit N syntax in order to limit the number of output time series after aggregation 2020-05-12 19:50:12 +03:00
Aliaksandr Valialkin
f341c6fcc4 Revert "app/vmselect: add -search.estimatedSeriesCountAfterAggregation command-line flag for tuning the probability of OOMs or false-positive not enough memory errors" 
This reverts commit fbb7986dd2380fce2fc8633b7eda8b67f419e74c.

Reason for revert: this commit has been removed from single-node version
 2020-05-12 19:50:08 +03:00
Aliaksandr Valialkin
9ed4951ec8 lib/metricsql: move it to a separate repository - github.com/VictoriaMetrics/metrics 2020-04-28 15:30:06 +03:00
Aliaksandr Valialkin
cd1145e5f4 app/vmselect: add -search.estimatedSeriesCountAfterAggregation command-line flag for tuning the probability of OOMs or false-positive not enough memory errors 2020-04-28 12:51:48 +03:00
Aliaksandr Valialkin
b59f1f1504 app/vmselect: add -search.minStalenessInterval command-line flag for removing gaps on graphs built from time series with irregular duration between samples 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/426
 2020-04-20 19:42:41 +03:00
Aliaksandr Valialkin
603d4c9217 app/vmselect: merge -search.maxLookback and -search.maxStalenessInterval flags, since it has been appeared they have identical purpose :( 
Leave both flags for backwards compatibility reasons.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/209
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/426
 2020-04-20 19:28:28 +03:00
Aliaksandr Valialkin
a873b553cf app/vmselect: handle timestamp(metric offset X) the same way as Prometheus does 
Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/415
 2020-04-15 12:01:05 +03:00
Aliaksandr Valialkin
a012f6fe70 app/vmselect/promql: keep metric name after applying first_over_time and last_over_time functions 2020-04-04 14:54:02 +03:00