Inconcistency between backends of the same controller may take down the 2
backends at once
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Key: SEQUOIA-951
URL: https://forge.continuent.org/jira/browse/SEQUOIA-951
Project: Sequoia
Type: Bug
Versions: Sequoia 2.10.7
Reporter: Stephane Giron
Assigned to: Stephane Giron
Priority: Critical
Fix For: Sequoia 2.10.8
It seems that the way a task is updated by BackendWorkerThreads can lead to
several backends going disabled, as shown on the following log:
2007-05-16 15:20:50,882 ERROR backend.DatabaseBackend.c1b1 Disabling backend
c1b1 that reports a different number of updated rows (4) than first backend to
succeed (3) for request update test set i = i+1/
2007-05-16 15:21:04,872 ERROR backend.DatabaseBackend.c1b2 Disabling backend
c1b2 that reports a different number of updated rows (4) than first backend to
succeed (3) for request update test set i = i+1/
It seems that it is also possible that the result that is sent back to other
controller can be wrong : the result that is sent can be the one that was got
on the disabled backend.
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