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https://issues.apache.org/jira/browse/HBASE-18273?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16256082#comment-16256082
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stack commented on HBASE-18273:
-------------------------------
[~whisper_deng] Want to say what JVMs you are having issue w/ please sir?
(Moved out of beta-1 until we get answer)
> hbase_rotate_log in hbase-daemon.sh script not working for some JDK
> -------------------------------------------------------------------
>
> Key: HBASE-18273
> URL: https://issues.apache.org/jira/browse/HBASE-18273
> Project: HBase
> Issue Type: Bug
> Components: hbase
> Affects Versions: 1.2.6, 1.1.11, 2.0.0-alpha-1
> Reporter: Fangyuan Deng
> Assignee: Fangyuan Deng
> Fix For: 2.0.0
>
> Attachments: HBASE-18273.0.patch, HBASE-18273.1.patch,
> HBASE-18273.2.patch
>
>
> When restarting a hbase process, hbase_rotate_log $HBASE_LOGGC will rotate
> GC logs.
> the code looks like this,
> if [ -f "$log" ]; then # rotate logs
> while [ $num -gt 1 ]; do
> prev=`expr $num - 1`
> [ -f "$log.$prev" ] && mv -f "$log.$prev" "$log.$num"
> num=$prev
> done
> But, some version JDK will add a suffix (.0) to the gc file, like
> hbase-xxx.gc.0, rather than hbase-xxx.gc.
> So I add a check before rotate,
> if [ ! -f "$log" ]; then #for some jdk, gc log has a postfix 0
> if [ -f "$log.0" ]; then
> mv -f "$log.0" "$log";
> fi
> fi
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