On Mon, Sep 10, 2012 at 8:33 AM, Norbert Burger <[email protected]> wrote: > Hi all -- we're currently on cdh3u3 (0.90.4 + patches). I have one > table in our cluster which seems to functioning fine (gets/puts/scans > are all working), but for which no regions are listed on the UI. The > table/regions exist in .META. Other tables in the same cluster show > their regions list fine. Seems like this might be a problem with > .META. or ZK, but would appreciate any pointers. > > 1) hbase hbck reports 2 "multiply assigned to region servers" > inconsistencies, but on a table different than the one I'm having > problems with. > 2) The hbase master log shows this fragment when navigating to > table.jsp for the affected table: > > 2012-09-10 11:29:07,682 DEBUG org.apache.zookeeper.ClientCnxn: Reading > reply sessionid:0x1370e3604c49580, packet:: clientPath:null > serverPath:null finished:false header:: 10,4 replyHeader:: > 10,167713215,-101 request:: '/hbase/table/sessions,F response:: > 2012-09-10 11:29:07,682 DEBUG > org.apache.hadoop.hbase.zookeeper.ZKUtil: > hconnection-0x1370e3604c49580 Unable to get data of znode > /hbase/table/sessions because node does not exist (not an error) > 2012-09-10 11:29:07,682 DEBUG > org.apache.hadoop.hbase.client.MetaScanner: Scanning .META. starting > at row=sessions,,00000000000000 for max=2147483647 rows > > But since I see this "Unable to get data of znode" for all tables, my > assumption is that it's a red herring. Any thoughts as how to debug > further, or why only this table would not show a region list? >
What happens if you scan .META. in shell? hbase> scan ".META." Does it all show? (You might want to echo into a file so you can poke around after scan is done). St.Ack
