Never mind my second question, host command output seems to match with the 14 additional region servers I have. 14 of them could not be resolved.
Would it make a difference, if I provide IP directly in the regionservers file.? On Mon, Jan 24, 2011 at 6:51 PM, charan kumar <[email protected]>wrote: > Hi Ted, > > After resetting the ZK Data. Now I have 6 more region servers. :-( . > It has to be mentioned though, after cleaning up , HBase took forever to > start. > > If you don't mind, Can you let me know the exact steps to verify if > reverse DNS is setup fine? > > Thanks, > Charan > > > On Mon, Jan 24, 2011 at 1:19 PM, Ted Dunning <[email protected]>wrote: > >> 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 <[email protected] >> >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 <[email protected] >> > >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 <[email protected] >> > >wrote: >> > > >> > >> Check to make sure that forward AND reverse DNS works correctly. >> > >> >> > >> On Fri, Jan 21, 2011 at 5:44 PM, charan kumar < >> [email protected] >> > >> >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 >> > >> > >> > >> >> > > >> > > >> > >> > >
