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VictoriaMetrics/app/vmselect
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Aliaksandr Valialkin 726751a311
app/vmselect/promql: properly handle precision errors in rollup functions 
changes(), increases_over_time() and resets() shouldn't take into account
value changes, which may occur because of precision errors.

The maximum guaranteed precision for raw samples stored in VictoriaMetrics is 12 decimal digits.
So do not count relative changes for values if they are smaller than 1e-12 comparing to the value.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/767
2024-02-08 02:34:40 +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 16:42:16 +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: limit the number of parallel workers by 32 (#5195) 2023-10-26 11:50:23 +02:00
prometheus app/vmselect: handle negative time range start in a generic manner inside NewSearchQuery() 2024-01-22 01:42:27 +02:00
promql app/vmselect/promql: properly handle precision errors in rollup functions 2024-02-08 02:34:40 +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/{vmselect,vlselect}: run make vmui-update vmui-logs-update after 86f1459ca6 2023-08-11 07:01:15 -07:00
main.go lib/pushmetrics: wait until the background goroutines, which push metrics, are stopped at pushmetrics.Stop() 2024-01-16 23:17:58 +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/.