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https://issues.apache.org/jira/browse/BOOKKEEPER-114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152921#comment-13152921
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Sijie Guo commented on BOOKKEEPER-114:
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since Entry log files use BufferedChannel, a non-clean shutdown will corrupt
them, as comments in
[BOOKKEEPER-82|https://issues.apache.org/jira/browse/BOOKKEEPER-82?focusedCommentId=13147692&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13147692]
. And we also add some documents in BOOKKEEPER-109 describing data flush
during shutting down.
And bookie server can't start when encountering corrupted entries, as described
in BOOKKEEPER-62 .
I think for now it is better to avoid such corruption first, since we don't
have a clear solution in BOOKKEEPER-62 .
> add a shutdown hook to shut down bookie server safely.
> ------------------------------------------------------
>
> Key: BOOKKEEPER-114
> URL: https://issues.apache.org/jira/browse/BOOKKEEPER-114
> Project: Bookkeeper
> Issue Type: Improvement
> Affects Versions: 4.0.0
> Reporter: Sijie Guo
> Assignee: Sijie Guo
> Fix For: 4.0.0
>
> Attachments: BOOKKEEPER-114.patch
>
>
> Currently, if Bookie server is terminated, e.g. CTRL-C, kill -SIGTERM pid,
> kill pid, the data buffered in BufferedChannel has no chanced to be flushed,
> which may make files corrupted.
> We should add a shutdown hook to shut down bookie server safely, which will
> be called when JVM is terminated.
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