metrics: add alert rule for process restart (#2756) #2789
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Signed-off-by: ti-srebot <ti-srebot@pingcap.com>
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@lucklove please accept the invitation then you can push to the cherry-pick pull requests. |
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Aug 19, 2020
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Codecov Report
@@ Coverage Diff @@
## release-3.0 #2789 +/- ##
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- Coverage 69.83% 69.81% -0.03%
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Files 171 171
Lines 16987 16987
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- Hits 11863 11859 -4
+ Misses 4160 4148 -12
- Partials 964 980 +16
Continue to review full report at Codecov.
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cherry-pick #2756 to release-3.0
Signed-off-by: lucklove gnu.crazier@gmail.com
What problem does this PR solve?
Add an alert rule for tidb-server restarting
What is changed and how it works?
metrics/alertmanager/pd.rules.yml
Add the prometheus alert rule changes(process_start_time_seconds{job="pd"}[5m]) > 0
Check List
Tests
Related changes
Release note
Add an alert rule for restart