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 >
