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From Schubert Zhang <zson...@gmail.com>
Subject Re: ANN: hbase 0.20.0 Release Candidate 2 available for download
Date Tue, 25 Aug 2009 04:40:57 GMT
The .META. table is not flushed.

But then, I killed -9 all RS and master, then re-start hbase. Everything
become ok.

On Tue, Aug 25, 2009 at 12:35 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:

> Did you flush .META. table as well?
>
> -ryan
>
> On Mon, Aug 24, 2009 at 9:26 PM, Schubert Zhang<zsongbo@gmail.com> wrote:
> > -1
> >
> > I tested reliability of RegionServer crash, and found following problem:
> >
> > Test:
> > (1) A table, inserted millions of rows. the I use hbase shell commant to
> > flush a memstores to disk, there are 25 regions.
> > (2) Kill a RS (no ROOT and META region), then scan the whole table,
> success.
> > (3) Kill another RS (with META region), then scan the whole table, fail.
> > Maybe meta and data mismatch.
> >    (strangely there are 28 regions now, why? and following is the err
> log!)
> >
> >
> > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to
> > contact region server 10.24.1.16:60020 for region
> > TestTable,0001698618,1251172170797, row '0001698618', but failed after
> > 10 attempts.
> > Exceptions:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> >
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:937)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:1878)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.next(HTable.java:1984)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$ScanTest.testRow(PerformanceEvaluation.java:716)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:588)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:815)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:369)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:345)
> >        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> >        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:518)
> >        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:303)
> >        at org.apache.hadoop.mapred.Child.main(Child.java:170)
> >
> > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to
> > contact region server 10.24.1.16:60020 for region
> > TestTable,0001698618,1251172170797, row '0001698618', but failed after
> > 10 attempts.
> > Exceptions:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> >
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:937)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:1878)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.next(HTable.java:1984)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$ScanTest.testRow(PerformanceEvaluation.java:716)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:588)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:815)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:369)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:345)
> >        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> >        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:518)
> >        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:303)
> >        at org.apache.hadoop.mapred.Child.main(Child.java:170)
> >
> > org.apache.hadoop.hbase.client.RetriesExhaustedException: Trying to
> > contact region server 10.24.1.16:60020 for region
> > TestTable,0001698618,1251172170797, row '0001698618', but failed after
> > 10 attempts.
> > Exceptions:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> > org.apache.hadoop.hbase.NotServingRegionException:
> > org.apache.hadoop.hbase.NotServingRegionException:
> > TestTable,0001698618,1251172170797
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2261)
> >        at
> org.apache.hadoop.hbase.regionserver.HRegionServer.openScanner(HRegionServer.java:1877)
> >        at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)
> >        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:597)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:650)
> >        at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:915)
> >
> >
> >        at
> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getRegionServerWithRetries(HConnectionManager.java:937)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.nextScanner(HTable.java:1878)
> >        at
> org.apache.hadoop.hbase.client.HTable$ClientScanner.next(HTable.java:1984)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$ScanTest.testRow(PerformanceEvaluation.java:716)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$Test.test(PerformanceEvaluation.java:588)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation.runOneClient(PerformanceEvaluation.java:815)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:369)
> >        at
> org.apache.hadoop.hbase.PerformanceEvaluation$EvaluationMapTask.map(PerformanceEvaluation.java:345)
> >        at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> >        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:518)
> >        at org.apache.hadoop.mapred.MapTask.run(MapTask.java:303)
> >        at org.apache.hadoop.mapred.Child.main(Child.java:170)
> >
> >
> >
> >
> >
> >
> > On Wed, Aug 19, 2009 at 3:39 AM, Schubert Zhang <zsongbo@gmail.com>
> wrote:
> >
> >> +1
> >>
> >> I have done our test, it is fine to release.
> >>
> >>   On Wed, Aug 19, 2009 at 1:13 AM, stack <stack@duboce.net> wrote:
> >>
> >>> Update your binaries.  Take down the cluster en masse and update all or
> do
> >>> it via a rolling restart:
> >>> http://wiki.apache.org/hadoop/Hbase/RollingRestart
> >>> .
> >>>
> >>> Regards whats been fixed since RC1, see http://su.pr/1QTH7L.
> >>>
> >>> St.Ack
> >>>
> >>> On Tue, Aug 18, 2009 at 12:04 AM, Rocks <nutchmaillist@gmail.com>
> wrote:
> >>>
> >>> > Now I use candidate-1 version, To fix these bugs, how and what should
> I
> >>> do
> >>> > ?
> >>> >
> >>> > On Tue, Aug 18, 2009 at 2:20 PM, Ryan Rawson <ryanobjc@gmail.com>
> >>> wrote:
> >>> >
> >>> > > A few bugs were fixed, seemingly minor but critical.
> >>> > >
> >>> > > enjoy!
> >>> > > -ryan
> >>> > >
> >>> > > On Mon, Aug 17, 2009 at 11:16 PM, Rocks<nutchmaillist@gmail.com>
> >>> wrote:
> >>> > > > What is the difference between the two candidate version?
> >>> > > >
> >>> > > > On Tue, Aug 18, 2009 at 1:52 PM, stack <stack@duboce.net>
wrote:
> >>> > > >
> >>> > > >> The second hbase 0.20.0 release candidate is available
for
> >>> download:
> >>> > > >>
> >>> > > >> http://people.apache.org/~stack/hbase-0.20.0-candidate-2/<
> >>> http://people.apache.org/%7Estack/hbase-0.20.0-candidate-2/<http://people.apache.org/~stack/hbase-0.20.0-candidate-2/>
> <http://people.apache.org/~stack/hbase-0.20.0-candidate-2/>
>  >>> >
> >>>  > > >>
> >>> > > >> Near to 450 issues have been addressed since the 0.19
branch.
> >>>  Release
> >>> > > >> notes
> >>> > > >> are available here: http://su.pr/18zcEO <
> http://tinyurl.com/8xmyx9
> >>> >.
> >>> > > >>
> >>> > > >> HBase 0.20.0 runs on Hadoop 0.20.0.  Alot has changed
since
> 0.19.x
> >>> > > >> including
> >>> > > >> configuration fundamentals.  Be sure to read the 'Getting
> Started'
> >>> > > >> documentation in 0.20.0 available here: http://su.pr/8YQjHO
> >>> > > >>
> >>> > > >> If you wish to bring your 0.19.x hbase data forward to
0.20.0,
> you
> >>> > will
> >>> > > >> need
> >>> > > >> to run a migration.  See
> >>> > > http://wiki.apache.org/hadoop/Hbase/HowToMigrate.
> >>> > > >> First read the overview and then go to the section, 'From
0.19.x
> to
> >>> > > >> 0.20.x'.
> >>> > > >>
> >>> > > >> Should we release this candidate as hbase 0.20.0?  Please
vote
> >>> +1/-1
> >>> > by
> >>> > > >> Wednesday, August 25th.
> >>> > > >>
> >>> > > >> Yours,
> >>> > > >> The HBasistas
> >>> > > >>
> >>> > > >
> >>> > >
> >>> >
> >>>
> >>
> >>
> >
>

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