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Date: Fri, 17 Jul 2009 07:34:14 -0700 (PDT)
From: "Alex Newman (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Commented: (HBASE-1359) After  a large truncating table
 HBase becomes unresponsive
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    [ https://issues.apache.org/jira/browse/HBASE-1359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12732546#action_12732546 ] 

Alex Newman commented on HBASE-1359:
------------------------------------

Rerunning my test.

On Jul 17, 2009 12:41am, "stack (JIRA)" <jira@apache.org> wrote:


> After  a large truncating table HBase becomes unresponsive
> ----------------------------------------------------------
>
>                 Key: HBASE-1359
>                 URL: https://issues.apache.org/jira/browse/HBASE-1359
>             Project: Hadoop HBase
>          Issue Type: Bug
>         Environment: linux  r769665
>            Reporter: Alex Newman
>            Assignee: Alex Newman
>            Priority: Critical
>             Fix For: 0.20.0
>
>
> If you see **** I removed and ip or something for security reasons
> Once I truncate the table, hbase freaks out for about 10 seconds and all the thrift servers die.
> Thrift server log:
> 2009-04-02 12:09:08,971 INFO org.apache.hadoop.ipc.HBaseClass: Retrying connect 
> to server: /*****:60020. Already tried 0 time(s).
> You see this a bunch of times and then it times out
> The hbase shell
> nhbase(main):001:0> truncate 't2'
> 09/04/30 13:01:08 INFO zookeeper.ZooKeeperWrapper: Quorum servers: 
> ****
> Truncating t2; it may take a while
> Disabling table...
> 09/04/30 13:01:19 INFO client.HBaseAdmin: Disabled t2
> 0 row(s) in 10.3417 seconds
> Dropping table...
> 09/04/30 13:01:19 INFO client.HBaseAdmin: Deleted t2
> 0 row(s) in 0.1592 seconds
> Creating table...
> 0 row(s) in 14.7567 seconds
> hbase(main):002:0> lsit
> NameError: undefined local variable or method `lsit' for #<Object:0x3bbe9a50>
>         from (hbase):3
> hbase(main):003:0> lsit
> NameError: undefined local variable or method `lsit' for #<Object:0x3bbe9a50>
>         from (hbase):4
> hbase(main):004:0> list
> NativeException: java.lang.NullPointerException: null
>         from org/apache/hadoop/hbase/client/HConnectionManager.java:344:in `proc
> essRow' 
>       from org/apache/hadoop/hbase/client/MetaScanner.java:64:in `metaScan'
>         from org/apache/hadoop/hbase/client/MetaScanner.java:29:in `metaScan'
>         from org/apache/hadoop/hbase/client/HConnectionManager.java:351:in `list
> Tables' 
>         from org/apache/hadoop/hbase/client/HBaseAdmin.java:121:in `listTables'
>         from sun/reflect/NativeMethodAccessorImpl.java:-2:in `invoke0'
>         from sun/reflect/NativeMethodAccessorImpl.java:39:in `invoke'
>         from sun/reflect/DelegatingMethodAccessorImpl.java:25:in `invoke'
>         from java/lang/reflect/Method.java:597:in `invoke'
>         from org/jruby/javasupport/JavaMethod.java:298:in `invokeWithExceptionHa
> ndling' 
>         from org/jruby/javasupport/JavaMethod.java:259:in `invoke'
>         from org/jruby/java/invokers/InstanceMethodInvoker.java:36:in `call'
>         from org/jruby/runtime/callsite/CachingCallSite.java:260:in `cacheAndCal
> l'
>         from org/jruby/runtime/callsite/CachingCallSite.java:75:in `call'
>         from org/jruby/ast/CallNoArgNode.java:61:in `interpret'
>         from org/jruby/ast/ForNode.java:101:in `interpret'
> ... 113 levels...
>         from org/jruby/internal/runtime/methods/DynamicMethod.java:226:in `call'
>         from org/jruby/internal/runtime/methods/CompiledMethod.java:216:in `call
> '
>         from org/jruby/internal/runtime/methods/CompiledMethod.java:71:in `call'
>         from org/jruby/runtime/callsite/CachingCallSite.java:260:in `cacheAndCal
> l'
>         from org/jruby/runtime/callsite/CachingCallSite.java:75:in `call'
>         from home/fds/ts/hadoop/hbase/bin/$_dot_dot_/bin/hirb.rb:441:in `__file_
> _'
>         from home/fds/ts/hadoop/hbase/bin/$_dot_dot_/bin/hirb.rb:-1:in `__file__
> '
>         from home/fds/ts/hadoop/hbase/bin/$_dot_dot_/bin/hirb.rb:-1:in `load'
>         from org/jruby/Ruby.java:564:in `runScript'
>         from org/jruby/Ruby.java:467:in `runNormally'
>         from org/jruby/Ruby.java:340:in `runFromMain'
>         from org/jruby/Main.java:214:in `run'
>         from org/jruby/Main.java:100:in `run'
>         from org/jruby/Main.java:84:in `main'
>         from /home/fds/ts/hadoop/hbase/bin/../bin/hirb.rb:300:in `list'
>         from (hbase):5hbase(main):005:0>
> hbase(main):006:0* 

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