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VictoriaMetrics/app/vmselect
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Aliaksandr Valialkin e51190a34c
Revert "app/vmselect: make vmselect resilient to absence of cache folder (#5987)" 
This reverts commit cb23685681.

Reason for revert: the "fix" may hide programming bugs related to incorrect creation of folders
before their use. This may complicate detecting and fixing such bugs in the future.

There are the following fixes for the issue https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5985 :
- To configure the OS to do not drop data from the system-wide temporary directory (aka /tmp).
- To run VictoriaMetrics with -cacheDataPath command-line flag, which points to the directory,
  which cannot be removed automatically by the OS.

The case when the user accidentally deletes the directory with some files created by VictoriaMetrics
shouldn't be considered as expected, so VictoriaMetrics shouldn't try resolving this case automatically.
It is much better from operation and debuggability PoV is to crash with the clear `directory doesn't exist` error
in this case.
2024-04-03 02:44:00 +03:00
..
clusternative app/{vmselect,vmstorage}: return compression of the data passed from vmstorage to vmselect 2024-01-24 13:37:05 +02:00
deployment Rootless docker images by default (#358) 2020-03-27 21:18:32 +02:00
graphite adding AggregateSeriesLists graphite function (#5809) 2024-03-26 14:48:58 +01:00
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 Revert "app/vmselect: make vmselect resilient to absence of cache folder (#5987)" 2024-04-03 02:44:00 +03:00
prometheus app/vmselect: use GetDeadlineForLabelsAPI for LabelAPI requests (#5992) 2024-03-25 15:31:21 +01:00
promql app/vmselect/promql: use unsafe.Slice instead of deprecated reflect.SliceHeader 2024-02-29 17:51:16 +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 docs: follow-up for 70eaa06f08 2024-03-25 15:33:11 +01:00
static/css app/vmselect: properly serve static css for /select/.../metric-relabel-debug page 2022-12-10 03:04:43 -08:00
vmui fix typo in kyiv city name 2024-03-25 15:42:53 +01:00
main.go app/vmselect: add missing handler at /select/.../prometheus/vmui/timezone 2024-02-14 11:18:07 +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 app/vmselect: add missing whitespace into the description for -vmui.defaultTimezone command-line flag 2024-02-01 14:49:48 +02:00

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/.