Alex Petrov created CASSANDRA-12504:
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             Summary: BatchlogManager is shut down twice during drain
                 Key: CASSANDRA-12504
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12504
             Project: Cassandra
          Issue Type: Bug
            Reporter: Alex Petrov
            Priority: Minor


{{BatchlogManager}} is shut down twice during in the {{StorageService}}, once 
[here|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/service/StorageService.java#L4216]
 and once 
[here|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/service/StorageService.java#L4285].

The first shutdown was already there but the last one seems to have been added 
[here|https://github.com/apache/cassandra/commit/53a177a9150586e56408f25c959f75110a2997e7#diff-b76a607445d53f18a98c9df14323c7ddR3913].
 It seems to be harmless, as it’s not required in stages in-between, so second 
run would be a no-op.

Following the logic of other shutdown hook, the first one is the good place for 
it to be (right before {{HintsService}}).



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