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VictoriaMetrics/app/vmselect
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Roman Khavronenko baf456978d
vmselect: exit early from queue on context cancel (#4223) 
* vmselect: exit early from queue on context cancel

When `-search.maxConcurrentRequests` is reached, vmselect puts
request in the queue. It is expected, that requests in the queue
will be processed as soon as it would be enough capacity to do so.

However, it could happen that while request was waiting its turn,
the client could have already cancel it (close the connection,
or just close the tab with UI). In this case, we should de-queue
such requests to avoid spending extra resources on them.

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

* app/vmselect: address review comments

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

---------

Signed-off-by: hagen1778 <roman@victoriametrics.com>
2023-05-03 10:42:17 +02:00
..
bufferedwriter lib/netutil: move IsTrivialNetworkError() function there, since it is used in multiple places across the code 2023-01-27 13:24:30 -08:00
graphite app/vmselect/graphite: open source Graphite Render API 2023-03-31 23:25:04 -07:00
graphiteql app,lib: fix typos in comments (#3804) 2023-02-13 13:27:13 +01:00
netstorage lib/fs: replace MkdirAllIfNotExist->MustMkdirIfNotExist and MkdirAllFailIfExist->MustMkdirFailIfExist 2023-04-13 22:11:59 -07:00
prometheus vmui: Integrate WITH template playground (#3831) 2023-04-25 11:40:01 +03:00
promql lib/fs: rename WriteFileAtomically to MustWriteAtomic 2023-04-13 22:41:15 -07:00
querystats app/vmselect: do not track queries with less than 1ms execution time at /api/v1/status/top_queries 2021-07-15 16:44:28 +03:00
searchutils chore: Use http constants to replace numbers (#3846) 2023-02-22 18:53:05 -08:00
vmui app/vmselect/vmui: run make vmui-update after 01fc228fb0 2023-04-06 15:07:41 -07:00
main.go vmselect: exit early from queue on context cancel (#4223) 2023-05-03 10:42:17 +02:00
README.md app/vmui: move source code from https://github.com/VictoriaMetrics/vmui to app/vmui 2021-07-09 17:15:23 +03:00
vmui.go lib/fs: add MustReadDir() function 2023-04-14 22:10:46 -07:00

README.md

vmselect performs the incoming queries and fetches the required data from vmstorage.

The vmui directory contains static contents built from app/vmui package with make vmui-update command. The vmui page is available at http://<victoria-metrics>:8428/vmui/.