fix(backup): make SR node with backup exit normally by kill -15 #5868
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What does this PR do?
Make the thread pool close after the netty channel closes.
Why are these changes required?
Make the SR node with backup to be stopped normally by
kill -15
.As shown below, the thread pool is closed first, and then the channel is closed. the thread can not exit because it is synchronized waiting for the channel close event, which prevents the thread pool from closing properly.
Finally, after 60 seconds of waiting, the thread pool is forced to close.
This PR has been tested by:
Follow up
Extra details