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From Frank Kloeker <eumel_list_hb...@arcor.de>
Subject Aw: Re: Lost hbase table after restart
Date Wed, 11 May 2011 09:23:23 GMT
Hi Andrew,

You're right. I try to upgrade to the latest version.

Frank


----- Original Nachricht ----
Von:     Andrew Purtell <apurtell@apache.org>
An:      user@hbase.apache.org
Datum:   11.05.2011 11:10
Betreff: Re: Lost hbase table after restart

> Hi,
> 
> HBase 0.20.4 is very much out of date. It was released on 10 May 2010.
> 
> The current release is 0.90.2, released on 11 April 2011.
> 
> Why are you using such an out of date version?
> 
> For many many reasons you should be using the latest 0.90.x version.
> 
> Best regards,
> 
>     - Andy
> 
> --- On Wed, 5/11/11, Frank Kloeker <eumel_list_hbase@arcor.de> wrote:
> 
> > From: Frank Kloeker <eumel_list_hbase@arcor.de>
> > Subject: Lost hbase table after restart
> > To: user@hbase.apache.org
> > Date: Wednesday, May 11, 2011, 2:07 AM
> > Hadoop: 0.20.2
> > Hbase: 0.20.4, r941076
> > 
> > Hi,
> > 
> > I've running  a hbase table on  4 regionservers
> > with 4 datanodes back cross on the same machines. After
> > restart hbase and hadoop I've lost the one and only hbase
> > table. The hbase-master-log says:
> > 
> > 2011-04-16 15:45:03,411 INFO
> > org.apache.hadoop.hbase.master.ServerManager: 4 region
> > servers, 0 dead, average load 0.5
> > 2011-04-16 15:45:06,207 INFO
> > org.apache.hadoop.hbase.master.BaseScanner:
> > RegionManager.rootScanner scanning meta region {server:
> > 151.189.41.14:60020, 
> > regionname: -ROOT-,,0, startKey: <>}
> > 2011-04-16 15:45:06,218 INFO
> > org.apache.hadoop.hbase.master.BaseScanner:
> > RegionManager.rootScanner scan of 1 row(s) of meta region
> > {server: 151.189.41
> > .14:60020, regionname: -ROOT-,,0, startKey: <>}
> > complete
> > 2011-04-16 15:45:32,211 INFO
> > org.apache.hadoop.hbase.master.BaseScanner:
> > RegionManager.metaScanner scanning meta region {server:
> > 151.189.41.16:60020, 
> > regionname: .META.,,1, startKey: <>}
> > 2011-04-16 15:45:32,219 INFO
> > org.apache.hadoop.hbase.master.BaseScanner:
> > RegionManager.metaScanner scan of 0 row(s) of meta region
> > {server: 151.189.41
> > .16:60020, regionname: .META.,,1, startKey: <>}
> > complete
> > 2011-04-16 15:45:32,220 INFO
> > org.apache.hadoop.hbase.master.BaseScanner: All 1 .META.
> > region(s) scanned
> > 2011-04-16 15:45:57,698 INFO
> > org.apache.hadoop.ipc.HBaseServer: IPC Server handler 13 on
> > 60000, call enableTable([B@1cefde4) from
> > 151.189.41.13:58053:
> >  error: org.apache.hadoop.hbase.TableNotFoundException:
> > pageviews
> > org.apache.hadoop.hbase.TableNotFoundException: pageviews
> >         at
> >
> org.apache.hadoop.hbase.master.TableOperation$ProcessTableOperation.call(Tab
> leOperation.java:142)
> >         at
> >
> org.apache.hadoop.hbase.master.TableOperation$ProcessTableOperation.call(Tab
> leOperation.java:73)
> >         at
> >
> org.apache.hadoop.hbase.master.RetryableMetaOperation.doWithRetries(Retryabl
> eMetaOperation.java:66)
> >         at
> >
> org.apache.hadoop.hbase.master.TableOperation.process(TableOperation.java:15
> 5)
> >         at
> > org.apache.hadoop.hbase.master.HMaster.enableTable(HMaster.java:832)
> >         at
> > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >         at
> > sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> >         at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
> > Source)
> >         at
> > java.lang.reflect.Method.invoke(Unknown Source)
> >         at
> > org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
> >         at
> > org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> > 2011-04-16 15:46:03,416 INFO
> > org.apache.hadoop.hbase.master.ServerManager: 4 region
> > servers, 0 dead, average load 0.5
> > 
> > The data are already present in HDFS:
> > 
> > Found 5 items
> > drwxr-xr-x   - root supergroup   
> >       0 2011-04-06 13:28 /hbase/-ROOT-
> > drwxr-xr-x   - root supergroup   
> >       0 2011-04-06 13:28 /hbase/.META.
> > drwxr-xr-x   - root supergroup   
> >       0 2011-04-16 19:25 /hbase/.logs
> > -rw-r--r--   2 root supergroup   
> >       3 2011-01-30 18:51
> > /hbase/hbase.version
> > drwxr-xr-x   - root supergroup   
> >       0 2011-04-15 05:48 /hbase/pageviews
> > 
> > What can I do for recover the hbase table or how can I
> > backup the data from time to time?
> > 
> > Frank
> > 
> >
>

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