Hi Hari, amazing, I tried that before (just to say that I googled before posting the question :-) and it didn't seem to help but now the job got scheduled again and started counting again....
Thanks! Henning Am Freitag, den 12.11.2010, 19:56 +0530 schrieb Hari Sreekumar: > Hi Henning, > > Try doing flush '.META.' and major_compact '.META.' in the hbase > shell. It worked once for me. I hope it helps. > > Cheers, > hari > > On Fri, Nov 12, 2010 at 6:43 PM, Henning Blohm > <henning.bl...@zfabrik.de>wrote: > > > Hi again, > > > > we have a 1 master, 3 data nodes Hadoop+HBase cluster for a PoC. I ran > > into "Too many open files" errors on the region server during load > > testing. No problem as such. But now, after shutting down and starting > > up again, when trying to count how many rows actually made it, > > > > > bin/hadoop jar ../hbase/hbase-0.20.6.jar rowcounter tir_items > > > > I get > > > > Exception in thread "main" > > org.apache.hadoop.hbase.client.NoServerForRegionException: No server > > address listed in .META. for region > > > > tir_items,customer/0/FB032E3983F42455E0ACCFE61A0C3385A37975A42439430F0993D4D3DC5F76E,1289565977870 > > at org.apache.hadoop.hbase.client.HConnectionManager > > $TableServers.locateRegionInMeta(HConnectionManager.java:726) > > at org.apache.hadoop.hbase.client.HConnectionManager > > $TableServers.locateRegion(HConnectionManager.java:634) > > at org.apache.hadoop.hbase.client.HConnectionManager > > $TableServers.locateRegion(HConnectionManager.java:601) > > at org.apache.hadoop.hbase.client.HConnectionManager > > $TableServers.getRegionLocation(HConnectionManager.java:428) > > at > > org.apache.hadoop.hbase.client.HTable.getRegionLocation(HTable.java:207) > > at > > > > org.apache.hadoop.hbase.mapreduce.TableInputFormatBase.getSplits(TableInputFormatBase.java:289) > > at > > org.apache.hadoop.mapred.JobClient.writeNewSplits(JobClient.java:885) > > at > > org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:779) > > at org.apache.hadoop.mapreduce.Job.submit(Job.java:432) > > at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:447) > > at > > org.apache.hadoop.hbase.mapreduce.RowCounter.main(RowCounter.java:126) > > ... > > > > This situation persists even after reboot. Any idea how to fix this? > > (All other advice I found says that things should be > > fine after restart at latest). > > > > Thanks, > > Henning > > > > > >
