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From n keywal <nkey...@gmail.com>
Subject Re: Does hbase 0.90 client work with 0.92 server?
Date Thu, 27 Sep 2012 08:21:20 GMT
You don't have to migrate the data when you upgrade, it's done on the fly.
But it seems you want to do something more complex? A kind of realtime
replication between two clusters in two different versions?

On Thu, Sep 27, 2012 at 9:56 AM, Damien Hardy <dhardy@viadeoteam.com> wrote:

> Hello,
>
> Corollary, what is the better way to migrate data from a 0.90 cluster to a
> 0.92 cluser ?
>
> Hbase 0.90 => Client 0.90 => stdout | stdin => client 0.92 => Hbase 0.92
>
> All the data must tansit on a single host where compute the 2 clients.
>
> It may be paralalize with mutiple version working with different range
> scanner maybe but not so easy.
>
> Is there a copytable version that should read on 0.90 to write on 0.92 with
> mapreduce version ?
>
> maybe there is some sort of namespace available for Java Classes that we
> may use 2 version of a same package and go for a mapreduce ?
>
> Cheers,
>
> --
> Damien
>
> 2012/9/25 Jean-Daniel Cryans <jdcryans@apache.org>
>
> > It's not compatible. Like the guide says[1]:
> >
> > "replace your hbase 0.90.x with hbase 0.92.0 binaries (be sure you
> > clear out all 0.90.x instances) and restart (You cannot do a rolling
> > restart from 0.90.x to 0.92.x -- you must restart)"
> >
> > This includes the client.
> >
> > J-D
> >
> > 1. http://hbase.apache.org/book.html#upgrade0.92
> >
> > On Tue, Sep 25, 2012 at 11:16 AM, Agarwal, Saurabh
> > <saurabh.agarwal@citi.com> wrote:
> > > Hi,
> > >
> > > We recently upgraded hbase 0.90.4 to HBase 0.92. Our HBase app worked
> > fine in hbase 0.90.4.
> > >
> > > Our new setup has HBase 0.92 server and hbase 0.90.4 client. And throw
> > following exception when client would like to connect to server.
> > >
> > > Is anyone running HBase 0.92 server and hbase 0.90.4 client? Let me
> know,
> > >
> > > Thanks,
> > > Saurabh.
> > >
> > >
> > > 12/09/24 14:58:31 INFO zookeeper.ClientCnxn: Session establishment
> > complete on server vm-3733-969C.nam.nsroot.net/10.49.217.56:2181,
> > sessionid = 0x139f61977650034, negotiated timeout = 60000
> > >
> > > java.lang.IllegalArgumentException: Not a host:port pair: ?
> > >
> > >       at
> > org.apache.hadoop.hbase.HServerAddress.<init>(HServerAddress.java:60)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.zookeeper.RootRegionTracker.dataToHServerAddress(RootRegionTracker.java:82)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.zookeeper.RootRegionTracker.waitRootRegionLocation(RootRegionTracker.java:73)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:786)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:766)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:895)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:797)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:766)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:895)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:801)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:766)
> > >
> > >       at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:179)
> > >
> > >       at
> >
> org.apache.hadoop.hbase.HBaseTestingUtility.truncateTable(HBaseTestingUtility.java:609)
> > >
> > >       at
> >
> com.citi.sponge.flume.sink.ELFHbaseSinkTest.testAppend2(ELFHbaseSinkTest.java:221)
> > >
> > >       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 junit.framework.TestCase.runTest(TestCase.java:168)
> > >
> > >       at junit.framework.TestCase.runBare(TestCase.java:134)
> > >
> > >       at junit.framework.TestResult$1.protect(TestResult.java:110)
> > >
> > >       at junit.framework.TestResult.runProtected(TestResult.java:128)
> > >
> > >       at junit.framework.TestResult.run(TestResult.java:113)
> > >
> > >       at junit.framework.TestCase.run(TestCase.java:124)
> > >
> > >       at junit.framework.TestSuite.runTest(TestSuite.java:232)
> > >
> > >       at junit.framework.TestSuite.run(TestSuite.java:227)
> > >
> > >       at
> >
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:81)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
> > >
> > >       at
> >
> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
> >
>

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