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Aliaksandr Valialkin 6daa5f7500 lib/storage: prioritize data ingestion over heavy queries 
Heavy queries could result in the lack of CPU resources for processing the current data ingestion stream.
Prevent this by delaying queries' execution until free resources are available for data ingestion.

Expose `vm_search_delays_total` metric, which may be used in for alerting when there is no enough CPU resources
for data ingestion and/or for executing heavy queries.

Updates https://github.com/VictoriaMetrics/VictoriaMetrics/issues/291
2020-07-05 19:42:05 +03:00
..
Articles.md docs/Articles.md: add a link to article https://stas.starikevich.com/posts/raspberry-pi-4-prometheus/ 2020-06-18 23:14:04 +03:00
CaseStudies.md docs/CaseStudies.md: add a link to articles about VictoriaMetrics 2020-05-28 21:32:43 +03:00
Cluster-VictoriaMetrics.md docs: update the info that docker images are built on top of alpine image now 2020-06-26 13:54:10 +03:00
ExtendedPromQL.md docs: migrate ExtendedPromQL->MetricsQL in order to be more consistent 2020-02-10 23:02:43 +02:00
FAQ.md docs/FAQ.md: add a question about the difference between vmagent and Prometheus 2020-06-03 20:56:22 +03:00
Home.md docs: add a doc for vmagent 2020-02-28 12:23:56 +02:00
logo.png docs/Single-server-VictoriaMetrics.md: clarify how to use -influxListenAddr command-line option 2020-04-15 12:33:42 +03:00
MetricsQL.md app/vmselect: add interpolate function for filling gaps with linearly interpolated values 2020-07-02 14:54:21 +03:00
Quick-Start.md docs/Quick-Start.md: mention that vmagent can be used instead of Prometheus in most cases 2020-05-19 14:09:27 +03:00
Release-Guide.md docs: typo fixes 2019-12-03 00:44:50 +02:00
robots.txt .github/workflows/wiki.yml: fix copying files from docs to wiki 2020-03-30 15:59:12 +03:00
SampleSizeCalculations.md docs/SampleSizeCalculations.md: updates 2020-06-24 12:06:25 +03:00
Single-server-VictoriaMetrics.md lib/storage: prioritize data ingestion over heavy queries 2020-07-05 19:42:05 +03:00
vmagent.md lib/promscrape: add ability to set disable_compression and disable_keepalive options in scrape_config section of the config passed to -promscrape.config 2020-07-02 14:19:14 +03:00
vmagent.png docs: add missing vmagent.png, which is used in vmagent.md 2020-03-09 13:35:49 +02:00
vmalert.md docs: sync with upstream 2020-06-29 22:09:03 +03:00
vmauth.md docs: update the info that docker images are built on top of alpine image now 2020-06-26 13:54:10 +03:00
vmbackup.md docs: update the info that docker images are built on top of alpine image now 2020-06-26 13:54:10 +03:00
vmrestore.md docs: update the info that docker images are built on top of alpine image now 2020-06-26 13:54:10 +03:00