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VictoriaMetrics/app/vmselect
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Roman Khavronenko 89ec85c5db
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>
2023-05-08 22:58:36 -07:00
..
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 all: use metricsql.CompileRegexp instead of regexp.Compile for compiling regexps used in graphite queries 2023-01-09 21:43:08 -08:00
graphiteql Graphite vmalert wip (#112) 2021-02-01 15:05:32 +02:00
netstorage app/vmselect/netstorage: reduce the contention at fs.ReaderAt stats collection on systems with big number of CPU cores 2023-03-25 16:44:16 -07:00
prometheus app/vmselect/promql: typo fix after 0771d57860 2023-01-11 01:05:31 -08:00
promql app/vmselect/promql: follow-up for 79e1c6a6fc 2023-03-27 18:05:53 -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 app/vmselect/searchutils: accept partial RFC3339 values at time, start and end query args 2022-12-28 19:41:54 -08:00
vmui app/vmui: UX enhancements for https://github.com/VictoriaMetrics/VictoriaMetrics/issues/3706 2023-02-09 11:04:51 -08:00
main.go vmselect: exit early from queue on context cancel (#4223) 2023-05-08 22:58:36 -07:00
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 app/vmselect: follow-up after 820312a2b1 2023-01-11 23:28:00 -08:00

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/.