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From Ted Dunning <tdunn...@maprtech.com>
Subject Re: Hbase 0.90.0 doesnt stop.
Date Mon, 24 Jan 2011 21:19:52 GMT
Yes.  There is some state in ZK.

If you have a dedicated ZK cluster, you can take down ZK and simply delete
the snapshot and log.  Then when you bring ZK back, it is completely clean.

On Mon, Jan 24, 2011 at 12:38 PM, charan kumar <charan.kumar@gmail.com>wrote:

>  How does master know that these servers are running,? Are these in
> Zookeeper?
>
> Could this be a case of entries in Zoo Keeper getting stuck, for what ever
> reason? Is there a way to cleanup zookeeper entries?
>
> Thanks,
> Charan
>
> On Mon, Jan 24, 2011 at 12:07 PM, charan kumar <charan.kumar@gmail.com
> >wrote:
>
> > Hi Ted,
> >    Thanks for your response.
> >    I verified both forward and reverse DNS>. Both work as expected.
> >   I did "host <XX.XX.XX.XXX>" and host "<hostname>" and ifxonfig and
> > nslookup, and they all seem good to my eyes.
> >   Let me know, if I need to look for something specific.
> >
> > Thanks,
> > Charan
> >
> >
> > On Fri, Jan 21, 2011 at 10:32 PM, Ted Dunning <tdunning@maprtech.com
> >wrote:
> >
> >> Check to make sure that forward AND reverse DNS works correctly.
> >>
> >> On Fri, Jan 21, 2011 at 5:44 PM, charan kumar <charan.kumar@gmail.com
> >> >wrote:
> >>
> >> > Hello,
> >> >
> >> >  I just upgraded to hbase 0.90.0.  I have configured 30 region
> servers.
> >> > After initial restart Master page shows 38 region servers, and some of
> >> them
> >> > are duplicate ofcourse.
> >> >
> >> >  Problem is HBase doesn't stop, since name node waits for those no
> >> existent
> >> > region servers to die, which doesnt exist.
> >> >
> >> > XX.XX.XX.XXX:60030    1295660380888    requests=0, regions=0,
> >> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380337    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380327    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380560    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380460    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380624    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> > XX.XX.XX.XX:60030    1295660380564    requests=0, regions=0,
> usedHeap=0,
> >> > maxHeap=0
> >> >
> >> >
> >> > Thanks,
> >> > Charan
> >> >
> >>
> >
> >
>

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