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Posted to dev@bookkeeper.apache.org by "Ivan Kelly (Commented) (JIRA)" <ji...@apache.org> on 2011/11/18 15:10:53 UTC
[jira] [Commented] (BOOKKEEPER-114) add a shutdown hook to shut
down bookie server safely.
[ https://issues.apache.org/jira/browse/BOOKKEEPER-114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152884#comment-13152884 ]
Ivan Kelly commented on BOOKKEEPER-114:
---------------------------------------
While this change is good, a non-clean shutdown shouldn't corrupt data unrecoverably. If it does, then there's a pretty serious bug. This is the reason that we have a journal, so we should be able to handle it.
> 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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