Thank you, sir. On Thu, Feb 24, 2011 at 4:12 PM, Jean-Daniel Cryans <jdcry...@apache.org>wrote:
> See http://hbase.apache.org/upgrading.html#upgrade0.90 > > Also if you want to stay on CDH, CDH3b4 was just released. > > J-D > > On Thu, Feb 24, 2011 at 4:08 PM, Dmitriy Lyubimov <dlie...@gmail.com> > wrote: > > Thank you, sir. > > > > Do you happen to know if hbase swtich from 0.89 CDH3b3 to 0.90.1 is going > to > > be file-level compatible? I.e. do i have to export and re-import data in > > between? > > > > Thank you. > > > > > > On Wed, Feb 23, 2011 at 12:05 PM, Ryan Rawson <ryano...@gmail.com> > wrote: > > > >> You should consider upgrading to hbase 0.90.1, a lot of these kinds of > >> issues were fixed. > >> > >> -ryan > >> > >> On Wed, Feb 23, 2011 at 12:02 PM, Dmitriy Lyubimov <dlie...@gmail.com> > >> wrote: > >> > Hi all, > >> > > >> > from time to time we come to a sitation where .META. table seems to be > >> stuck > >> > in some corrupted state. > >> > In particular, attempts to create more tables cause > >> > > >> > ERROR: org.apache.hadoop.hbase.client.NoServerForRegionException: No > >> server > >> > address listed in .META. for region > >> > LEAD_DATA,,1298484698945.8226d7a44286402e80c9b991d2c00cc3. > >> > > >> > The server is not even under any load worth mentioning at the moment. > >> > > >> > Table manipulations are failing with both shell and HBAdmin, so it's > not > >> an > >> > isolated shell issue (there seems to be similar issue related to shell > >> only, > >> > 872, but it's pretty old one). > >> > > >> > I scanned for solutions for this particular error, and it seems to be > >> > revolving around flushing .META. , major compact it and restarting the > >> > master(s). > >> > > >> > In our case, only restarting the master helped to remove the > condition. > >> > > >> > logs seem to be stacktrace-free. > >> > > >> > My questions are -- > >> > > >> > -- is there a way to figure out what causes those inconsistences in > >> .META.? > >> > -- is there a way to fix that other than restarting master? Is > restarting > >> > master in this case implies a downtime? > >> > > >> > Thanks. > >> > -Dmitriy > >> > > >> > > >
