Kiu/VictoriaMetrics
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VictoriaMetrics/app/vmselect
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Aliaksandr Valialkin b2f9b9d634
app/vmselect/promql: add drop_empty_series() function for dropping empty series before performing additional calculations 
This can be useful in the following queries:

   drop_empty_series(temperature <= 30) default 40

This query drops temperature series with all the values bigger than 30 on the selected time range,
while replacing gaps in the remaining series with 40.

The query without drop_empty_series:

  (temperature <= 30) default 40

would leave all the temperature series with all the values bigger than 30 on the selected time range,
and replace all their values with 40. This is not what could be epxected in some cases
like here - https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5071
2023-10-16 20:59:21 +02:00
..
clusternative app/vmselect: move common http functionality from app/vmselect/searchutils to lib/httputils 2023-07-06 17:22:23 -07:00
deployment Rootless docker images by default (#358) 2020-03-27 21:18:32 +02:00
graphite app/vmselect: return +Inf as null in graphite render api (#5009) 2023-09-18 16:41:39 +02:00
graphiteql app,lib: fix typos in comments (#3804) 2023-02-13 09:32:35 -08:00
multiarch all: run apk update && apk upgrade in base Alpine Docker image in order to get all the recent security fixes 2023-02-09 14:03:02 -08:00
netstorage app/vmselect/netstorage: run make fmt after 58326dbf25 2023-09-10 15:18:15 +02:00
prometheus Makefile: update golangci-lint from v1.51.2 to v1.54.2 2023-09-01 10:25:49 +02:00
promql app/vmselect/promql: add drop_empty_series() function for dropping empty series before performing additional calculations 2023-10-16 20:59:21 +02:00
querystats app/vmselect: do not track queries with less than 1ms execution time at /api/v1/status/top_queries 2021-07-15 16:53:35 +03:00
searchutils all: add support for or filters in series selectors 2023-07-15 23:56:18 -07:00
static/css app/vmselect: properly serve static css for /select/.../metric-relabel-debug page 2022-12-10 03:04:43 -08:00
vmui app/vmui: small UX enhancements 2023-10-16 12:39:32 +02:00
main.go app/{vmselect,vlselect}: enable caching of static contents from /vmui/static/ folder at client side 2023-10-16 12:36:34 +02:00
Makefile all: add Windows build for VictoriaMetrics 2023-03-19 23:28:26 -07:00
README.md app/vmselect: expose vmui at /vmselect/<accountID>/vmui/ instead of /vmselect/<accountID>/prometheus/vmui/ 2021-07-10 12:32:21 +03:00
vmui.go lib/fs: add MustReadDir() function 2023-04-14 22:11:40 -07:00

README.md

vmselect performs the following tasks:

  • Splits incoming selects to tasks for vmstorage nodes and issues these tasks to all the vmstorage nodes in the cluster.

  • Merges responses from all the vmstorage nodes and returns a single response.

The vmui directory contains static contents built from app/vmui package with make vmui-update command. The vmui page is available at http://<vmselect>:8481/select/<accountID>/vmui/.