server/core: check region term before updating cache (#2667) #2672
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@@ Coverage Diff @@
## release-4.0 #2672 +/- ##
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- Coverage 77.17% 77.16% -0.01%
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Files 205 205
Lines 22232 22237 +5
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+ Hits 17157 17159 +2
- Misses 3768 3771 +3
Partials 1307 1307
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cherry-pick #2667 to release-4.0
Signed-off-by: howardlau1999 howardlau1999@hotmail.com
What problem does this PR solve?
Close #2657
What is changed and how it works?
Collect the
termfield in the heartbeat message intoRegionInfoand check if the term is greater than the one in cache to avoid invalid cache updates.Check List
Tests
Code changes
PreCheckPutRegionchangedtermin structRegionInfoRelease note
Avoid invalid cache updates after the leader of a region has changed.