you need to find the root cause. i've had this before and it worked out to be a permissions issue on some of the files. log files are your friend...
On Fri, May 15, 2009 at 8:14 AM, Ninad Raut <[email protected]>wrote: > Hi Andy, > But what if the daemon.sh keep running for ever? It just doent complete > even > after an hour or so. Any other workaround? > > On Thu, May 14, 2009 at 10:44 PM, Andrew Purtell <[email protected] > >wrote: > > > NEVER KILL -9 A REGION SERVER!!! > > > > - Andy > > > > > > > > > > ________________________________ > > From: Ninad Raut <[email protected]> > > To: [email protected] > > Cc: Ranjit Nair <[email protected]> > > Sent: Thursday, May 14, 2009 3:03:06 AM > > Subject: Re: Administration tool for HBase > > > > Ryan, > > Using bin/hbase-daemon.sh start regionserver and bin/hbase-daemon.sh stop > > regionserver can we add/remove slave nodes when the cluster is live? > > How to handle a region not serving exception? Because in this scenario > the > > daemon.sh script seems to go on forever? > > We usually kill the HRegion process using kill -9, which causes loss of > > data > > if it is not flushed. > > Regards, > > Ninad > > > > On Thu, May 14, 2009 at 12:26 PM, Ryan Rawson <[email protected]> > wrote: > > > > > There are tools: > > > > > > bin/start-hbase.sh > > > bin/stop-hbase.sh > > > > > > starts/stops cluster. > > > > > > per node: > > > bin/hbase-daemon.sh start regionserver > > > bin/hbase-daemon.sh stop regionserver > > > > > > you might need HBASE-1362 however. > > > > > > On Wed, May 13, 2009 at 11:46 PM, Ninad Raut < > [email protected] > > > >wrote: > > > > > > > Hi, > > > > I have been asekd to automate the following processes in HBase: > > > > > > > > - Script to add/remove regionservers and datanodes from a cluster > > when > > > > cluster is live > > > > > > > > > > > > - Script to handle master node failure > > > > - Script for graceful shutdown/startup of hbase > > > > > > > > Is there any adminsitration tool present for hbase. How can we use > > Hadoop > > > > On > > > > Demand and/or zookeeper to make the cluster failure resistant. > > > > Regards, > > > > Ninad > > > > > > > > > > > > > > > > > > -- Sasha Dolgy [email protected]
