Sandeep, and please take a look here http://hbase.apache.org/book.html#hadoop
PS: HDFSv2 supports HA. On Thu, Nov 28, 2013 at 2:31 PM, Sandeep L <[email protected]>wrote: > Hi, > Thanks for update. > After spending quite a bit of time on Hadoop/HBase I couldn't find any > thing awkward in logs. > At last what I got to know is the reason for outage is IO Error thrown by > the one of disk in which we are storing NameNode files. > > One more suggestion we need is regarding NameNode HA. > Since we are using hbase-0.94.1 which version of Hadoop we should apt for > NameNode HA. > We can't move away from HBase 0.94.1 in near future, and we want to adapt > NameNode HA. > Can someone suggest us some suitable solutions for us? > > Thanks,Sandeep. > > From: [email protected] > Date: Wed, 27 Nov 2013 10:56:44 +0530 > Subject: Re: Suddenly NameNode stopped responding > To: [email protected] > CC: [email protected] > > It is difficult to guess the reason behind this outage without the logs. > Can we have a look at them? (pastebin). Did you configure HA for namenode? > Did it failover to standby? > > > > On Wed, Nov 27, 2013 at 10:29 AM, Sandeep L <[email protected]> > wrote: > > > Hi, > > Couple of hours back all of sudden NameNode of our production cluster got > stopped responding, due to this our HBase also stopped responding(as > expected). > > Here mysterious thing is we unable to get any reason for NameNode > interruption. > > I went through all log files of NameNode and I couldn't find any exception > in logs. > > Can someone guess what could be the probable reason for this issue? > > Any one previously faced similar issue? > > We are using hbase-0.92.1 with hadoop-1.0.2 > > If you need any other information please let me know. > > Thanks,Sandeep. > > -- > Bharath Vissapragada > > > > >
