Fangyuan Deng created HBASE-18273:
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Summary: hbase_rotate_log in hbase 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: 2.0.0-alpha-1, 1.1.11, 1.2.6
Reporter: Fangyuan Deng
Priority: Minor
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 postfix .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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