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 >> > >> >
