Hi Laxman, The servers takes care of all the issues with data integrity, so a kill -9 is OK. Shutdown hooks are tricky. Also, the best way to make sure everything works reliably is use kill -9 :).
Thanks mahadev On 7/12/11 11:16 PM, "Laxman" <lakshman...@huawei.com> wrote: >When we stop zookeeper through zkServer.sh stop, we are aborting the >zookeeper process using "kill -9". > > > >129 stop) > >130 echo -n "Stopping zookeeper ... " > >131 if [ ! -f "$ZOOPIDFILE" ] > >132 then > >133 echo "error: could not find file $ZOOPIDFILE" > >134 exit 1 > >135 else > >136 $KILL -9 $(cat "$ZOOPIDFILE") > >137 rm "$ZOOPIDFILE" > >138 echo STOPPED > >139 exit 0 > >140 fi > >141 ;; > > > > > >This may corrupt the snapshot and transaction logs. Also, its not >recommended to use "kill -9". > >In worst case, if latest snaps in all zookeeper nodes gets corrupted there >is a chance of dataloss. > > > >How about introducing a shutdown hook which will ensure zookeeper is >shutdown gracefully when we call stop? > > > >Note: This is just an observation and its not found in a test. > > > >-- > >Thanks, > >Laxman >
