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From Ted Yu <yuzhih...@gmail.com>
Subject Re: ANN: The fourth hbase 0.90.0 release candidate is available for download X
Date Sun, 09 Jan 2011 05:02:54 GMT
I downloaded RC3 and encountered a repeatable unit test failure on my Mac
laptop

Test set: org.apache.hadoop.hbase.util.TestMergeTool
-------------------------------------------------------------------------------
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 6.087 sec
<<< FAILURE!
testMergeTool(org.apache.hadoop.hbase.util.TestMergeTool)  Time elapsed:
6.06 sec  <<< FAILURE!
junit.framework.AssertionFailedError: 'merging regions 0 and 1' failed
        at junit.framework.Assert.fail(Assert.java:47)
        at junit.framework.Assert.assertTrue(Assert.java:20)
        at
org.apache.hadoop.hbase.util.TestMergeTool.mergeAndVerify(TestMergeTool.java:182)
        at
org.apache.hadoop.hbase.util.TestMergeTool.testMergeTool(TestMergeTool.java:257)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)

My OS:
Darwin tyumac.local 10.5.0 Darwin Kernel Version 10.5.0: Fri Nov  5 23:20:39
PDT 2010; root:xnu-1504.9.17~1/RELEASE_I386 i386 i386

>From org.apache.hadoop.hbase.util.TestMergeTool-output.txt:

2011-01-08 20:57:44,469 WARN
[org.apache.hadoop.hdfs.server.datanode.DataXceiverServer@1afd1810]
datanode.DataXceiverServer(137): DatanodeRegistration(127.0.0.1:60366,
storageID=DS-788800082-192.168.2.107-60366-1294549062630, infoPort=60367,
ipcPort=60368):DataXceiveServer:
java.nio.channels.AsynchronousCloseException
        at
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
        at
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:152)
        at
sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84)
        at
org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130)
        at java.lang.Thread.run(Thread.java:680)

Shutting down DataNode 0

FYI

On Fri, Jan 7, 2011 at 5:03 PM, Stack <stack@duboce.net> wrote:

> The fourth hbase 0.90.0 release candidate is available for download:
>
>  http://people.apache.org/~stack/hbase-0.90.0-candidate-3/<http://people.apache.org/%7Estack/hbase-0.90.0-candidate-3/>
>
> This is going to be the one!
>
> Should we release this candidate as hbase 0.90.0?  Take it for a spin.
> Check out the doc., etc.  Vote +1/-1 by next Friday, the 14th of January.
>
> HBase 0.90.0 is the major HBase release that follows 0.20.0 and the
> fruit of the 0.89.x development release series we've been running of
> late.
>
> Over 1k issues have been closed since 0.20.0.  Release notes are
> available here: http://su.pr/8LbgvK.
>
> HBase 0.90.0 runs on Hadoop 0.20.x.  It does not currently run on
> Hadoop 0.21.0 nor on Hadoop TRUNK.   HBase will lose data unless it is
> running on an Hadoop HDFS 0.20.x that has a durable sync. Currently
> only the branch-0.20-append branch [1] has this attribute (See
> CHANGES.txt [3] in branch-0.20-append to see the list of patches
> involved adding an append). No official releases have been made from
> this branch as yet so you will have to build your own Hadoop from the
> tip of this branch, OR install Cloudera's CDH3 [2] (Its currently in
> beta).  CDH3b2 or CDHb3 have the 0.20-append patches needed to add a
> durable sync. If using CDH, be sure to replace the hadoop jars that
> are bundled with HBase with those from your CDH distribution.
>
> There is no migration necessary.  Your data written with HBase 0.20.x
> (or with HBase 0.89.x) is readable by HBase 0.90.0.  A shutdown and
> restart after putting in place the new HBase should be all thats
> involved.  That said, once done, there is no going back to 0.20.x once
> the transition has been made.   HBase 0.90.0 and HBase 0.89.x write
> region names differently in the filesystem.  Rolling restart from
> 0.20.x or 0.89.x to 0.90.0RC1 will not work.
>
> Yours,
> The HBasistas
> P.S. For why the version 0.90 and whats new in HBase 0.90, see slides
> 4-10 in this deck [4]
>
> 1. http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append
> 2. http://archive.cloudera.com/docs/
> 3.
> http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append/CHANGES.txt
> 4. http://hbaseblog.com/2010/07/04/hug11-hbase-0-90-preview-wrap-up/
>

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