Kiu/VictoriaMetrics
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VictoriaMetrics/app/vmselect
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Roman Khavronenko 79eb33556e
metricsql: support optional 2nd argument for rollup functions (#3841) 
* metricsql: support optional 2nd argument for rollup functions

Support optional 2nd argument `min`, `max` or `avg` for rollup functions:
 * rollup
 * rollup_delta
 * rollup_deriv
 * rollup_increase
 * rollup_rate
 * rollup_scrape_interval

 If second argument is passed, then rollup function will return only the selected aggregation type.
 This change can be useful for situations where only one type of rollup calculation is needed.
 For example, `rollup_rate(requests_total[5m], "max")`.

Signed-off-by: hagen1778 <roman@victoriametrics.com>

* wip

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
Co-authored-by: Aliaksandr Valialkin <valyala@victoriametrics.com>
2023-02-24 13:48:30 -08:00
..
bufferedwriter lib/netutil: move IsTrivialNetworkError() function there, since it is used in multiple places across the code 2023-01-27 13:24:44 -08:00
clusternative lib/vmselectapi: limit the number of concurrently executed requests 2023-01-06 18:39:46 -08:00
deployment Rootless docker images by default (#358) 2020-03-27 21:18:32 +02:00
graphite all: use metricsql.CompileRegexp instead of regexp.Compile for compiling regexps used in graphite queries 2023-01-09 21:45:34 -08:00
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,lib: fix typos in comments (#3804) 2023-02-13 09:32:35 -08:00
prometheus app/vmselect: add -search.logQueryMemoryUsage command-line flag for logging queries, which take big amounts of memory 2023-02-23 18:52:44 -08:00
promql metricsql: support optional 2nd argument for rollup functions (#3841) 2023-02-24 13:48:30 -08:00
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 chore: Use http constants to replace numbers (#3846) 2023-02-22 18:59:32 -08:00
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/vmui: make vmui-update after d4fc0ed874 2023-02-23 19:26:08 -08:00
main.go app/vmselect: add -search.logQueryMemoryUsage command-line flag for logging queries, which take big amounts of memory 2023-02-23 18:52:44 -08:00
Makefile app/{vminsert,vmselect,vmstorage}: add package-{vminsert,vmselect,vmstorage}-{goarch} Makefile rules for building arch-specific docker images 2022-10-07 20:17:01 +03:00
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 app/vmselect: follow-up after 820312a2b1 2023-01-11 23:37:51 -08:00

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/.