Kiu/VictoriaMetrics
Kiu/VictoriaMetrics
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VictoriaMetrics/app/vmselect
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Aliaksandr Valialkin 0dca3c4025
app/{vmselect,vmstorage}: return compression of the data passed from vmstorage to vmselect 
This reverts cd4f641d32 , since it has been appeared that the disabled compression
for vmstorage->vmselect data increase network bandwidth usage by more than 10x on typical production workloads,
while it decreases CPU usage at vmstorage by up to 10% and improves query latency by up to 10%.

The 10x increase in network usage is too high price for 10% improvements on query latency and vmstorage CPU usage.
This may result in network bandwidth bottlenecks, which can reduce the overall performance and stability
of VictoriaMetrics cluster. That's why return back the vmstorage->vmselect data compression by default.

The vmstorage->vmselect compression can be disabled by passing -rpc.disableCompression command-line flag to vmstorage.
The vmselect->vmselect compression in multi-level cluster setup can be disabled by passing -clusternative.disableCompression command-line flag.
2024-01-24 13:37:05 +02:00
..
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 app/vmselect/graphite: properly handle -N index for the array of N items 2024-01-17 00:16:37 +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/netstorage: limit the maximum brsPool size to 32Kb at ProcessSearchQuery() 2024-01-23 14:12:27 +02:00
prometheus docs: use persistent links to Grafana dashboards 2024-01-22 01:45:42 +02:00
promql app/vmselect/promql: remove superflouos memory allocations at aggrPrepareSeries() 2024-01-23 02:29:14 +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/vmui: run make vmui-update in order to sync recent changes in app/vmui 2024-01-23 04:31:57 +02:00
main.go vmui: add flag for default timezone setting (#5611) 2024-01-23 04:15:14 +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 vmui: add flag for default timezone setting (#5611) 2024-01-23 04:15:14 +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/.