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https://issues.apache.org/jira/browse/ROCKETMQ-23?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on ROCKETMQ-23 started by Roman Shtykh.
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> MappedFileQueue#flush should return true when flushing is successful
> --------------------------------------------------------------------
>
> Key: ROCKETMQ-23
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-23
> Project: Apache RocketMQ
> Issue Type: Bug
> Components: rocketmq-store
> Affects Versions: 4.0.0-incubating
> Reporter: Roman Shtykh
> Assignee: Roman Shtykh
>
> In the current implementation, MappedFileQueue#flush returns {{false}} when
> flushing is successful.
> This is not intuitive and error prone.
> For instance, in {{CommitLog#run line:915-918}}
> {code}
> for (int i = 0; i < RETRY_TIMES_OVER && !result; i++) {
> result = CommitLog.this.mappedFileQueue.flush(0);
> // ...
> }
> {code}
> I believe retries has to be done when flushing is not successful. But with
> the code above, it can try to flush only once on CommitLog termination and
> not continue retrying.
> The same is for {{DefaultMessageStore#doFlush line:1551}}
> Or is this not retry on failure, but the number of times flushing has to be
> done? Then, {{RETRY_TIMES_OVER}} should be renamed to something like
> {{FLUSH_NUM}}.
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