While taking a second look, I see that actually your region server is the one who is opening it over and over again:
2010-06-25 09:56:03,918 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Worker: MSG_REGION_OPEN: .META.,,1 2010-06-25 09:56:03,919 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: Creating region .META.,,1, encoded=1028785192 2010-06-25 09:56:03,933 DEBUG org.apache.hadoop.hbase.regionserver.Store: loaded /hbase/.META./1028785192/info/7628076653206028272, isReference=false, sequence id=2991, length=51941, majorCompaction=false ... 2010-06-25 10:00:03,447 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: .META.,,1 2010-06-25 10:00:03,448 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Worker: MSG_REGION_OPEN: .META.,,1 ... 2010-06-25 10:02:03,130 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: MSG_REGION_OPEN: .META.,,1 2010-06-25 10:02:03,130 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: Worker: MSG_REGION_OPEN: .META.,,1 These messages come from the master, look for "Assigning region .META.,,1" not the encoded name. J-D On Fri, Jun 25, 2010 at 2:22 PM, Ted Yu <yuzhih...@gmail.com> wrote: > Hi, > 2010-06-25 09:56:03,936 INFO org.apache.hadoop.hbase.regionserver.HRegion: > region .META.,,1/1028785192 available; sequence id is 2992 > > I searched for 1028785192 in master log but didn't find any occurrence. > The only log about compaction I see in master log is something like this: > > 2010-06-25 09:59:39,898 DEBUG org.apache.hadoop.hbase.regionserver.HRegion: > Closing TED-PACKAGESUMMARY-1277485167424-0,,1277485173774: disabling > compactions & flushes > > Any insight ? > > Thanks > > On Fri, Jun 25, 2010 at 11:31 AM, Jean-Daniel Cryans <jdcry...@apache.org> > wrote: >> >> At first glance it looks like a double assignment of .META., and the >> file it's trying to get was probably already compacted by another >> region server. Check the master log to see why/how it happened. >> >> J-D >> >> On Fri, Jun 25, 2010 at 11:13 AM, Ted Yu <yuzhih...@gmail.com> wrote: >> > Hi, >> > I upgraded a 3 node (1 master and 2 RS) cluster to 0.20.5 this morning. >> > hadoop version is Cloudera 0.20.2+228 >> > I saw the following in >> > hbase-hadoop-regionserver-sjc9-flash-grid05.ciq.com.log >> > (/hbase/.META./1028785192/info/7628076653206028272 was not on hdfs): >> > >> > http://pastebin.com/0rH56Vzb >> > >> > This is from hadoop-hadoop-datanode-sjc9-flash-grid05.ciq.com.log: >> > http://pastebin.com/eYvq6FEV >> > >> > Has anyone seen similar issue ? >> > >> > Thanks >> > > >
