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Alerting: Support concurrent queries for saving alert instances (#70525)

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This commit adds support for concurrent queries when saving alert
instances to the database. This is an experimental feature in
response to some customers experiencing delays between rule evaluation
and sending alerts to Alertmanager, resulting in flapping. It is
disabled by default.
This commit is contained in:
George Robinson
2023-06-23 11:36:07 +01:00
committed by GitHub
parent cebc180e5b
commit 7edbe72483
12 changed files with 161 additions and 119 deletions
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5
conf/defaults.ini
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@@ -1086,6 +1086,11 @@ max_attempts = 3
# The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
min_interval = 10s
# This is an experimental option to add parallelization to saving alert states in the database.
# It configures the maximum number of concurrent queries per rule evaluated. The default value is 1
# (concurrent queries per rule disabled).
max_state_save_concurrency = 1
[unified_alerting.screenshots]
# Enable screenshots in notifications. You must have either installed the Grafana image rendering
# plugin, or set up Grafana to use a remote rendering service.