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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Blocker
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Resolution: Fixed
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Affects Version/s: 10.2, 10.3
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Component/s: Replication
I tried to switch on parallel replication from Amazon Aurora to MariaDB.
[my.cnf]
slave-parallel-threads = 4
slave-parallel-mode = optimistic
'set global .slave_parallel_mode=optimistic;'
As I understand now it doesn't have sense because it's rolling back to serial replication. But it introduces a silent problem with Seconds_behind_master. This value always = 0.
So, probably, would be good to keep this metric even in this unnatural but working mode.