This message is reliable, you should worry. The docs talk about this: http://hbase.apache.org/book/notsoquick.html
Basically you need to do exactly what that message says. At SU we personally run CDH3b2. I know CDH3 is at a higher beta now, you can give CDH3b4 a shot, it also contains the same basic prerequisites. -ryan On Mon, Mar 7, 2011 at 3:32 PM, Geoff Hendrey <ghend...@decarta.com> wrote: > Thanks - > > So we are up and running, but on the web UI we see "You are currently running > the HMaster without HDFS append support enabled. This may result in data > loss. Please see the HBase wiki for details.". > > " To enable sync, first ensure that you have either compiled the 0.20-append > branch from Apache, or installed Cloudera's CDH3 " > > we are running 0.20.3-dev...we didn't see this message before with hbase > 0.20.6. Now we see the message after upgrading to 0.90.1. Is this message > reliable? Should I worry? > > -geoff > > -----Original Message----- > From: jdcry...@gmail.com [mailto:jdcry...@gmail.com] On Behalf Of Jean-Daniel > Cryans > Sent: Friday, March 04, 2011 3:15 PM > To: user@hbase.apache.org > Subject: Re: 0.90.1 hbase-default.xml > > Did you replace the hadoop jar in the hbase lib? It's compatible but > it still requires the same jar (yeah... it's a mess at the moment > since the append branch doesn't have a release). > > You might also want to consider using CDH3b4, which has a compatible > hadoop and hbase. > > J-D > > On Fri, Mar 4, 2011 at 3:10 PM, Geoff Hendrey <ghend...@decarta.com> wrote: >> Any advise on this one? It occurs when I start HBase, then the master >> shuts off. I am running hadoop-0.20.3-dev for hdfs. ClientProtocol >> version mismatch. (client = 42, server = 41). I suppose it means that >> some hdfs client/server protocol is incompatible, but I thought that >> HBase 0.90.1 would work with 20.x hadoop >> >> 2011-03-04 14:57:13,357 FATAL org.apache.hadoop.hbase.master.HMaster: >> Unhandled exception. Starting shutdown. >> org.apache.hadoop.ipc.RPC$VersionMismatch: Protocol >> org.apache.hadoop.hdfs.protocol.ClientProtocol version mismatch. (client >> = 42, server = 41) >> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:364) >> at >> org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:113) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:215) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:177) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileS >> ystem.java:82) >> at >> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378) >> at >> org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) >> at >> org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:95) >> at >> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem. >> java:87) >> at >> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java >> :342) >> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:278) >> 2011-03-04 14:57:13,359 INFO org.apache.hadoop.hbase.master.HMaster: >> Aborting >> 2011-03-04 14:57:13,359 DEBUG org.apache.hadoop.hbase.master.HMaster: >> Stopping service threads >> 2011-03-04 14:57:13,359 INFO org.apache.hadoop.ipc.HBaseServer: Stopping >> server on 60000 >> >> -----Original Message----- >> From: jdcry...@gmail.com [mailto:jdcry...@gmail.com] On Behalf Of >> Jean-Daniel Cryans >> Sent: Friday, March 04, 2011 2:53 PM >> To: user@hbase.apache.org >> Subject: Re: 0.90.1 hbase-default.xml >> >> It's now included in the hbase jar so that people don't reuse them >> between versions (since it led to many problems). >> >> J-D >> >> On Fri, Mar 4, 2011 at 2:44 PM, Geoff Hendrey <ghend...@decarta.com> >> wrote: >>> Hi, >>> >>> >>> >>> I tried to use my hbase-default.xml from 0.89 with my new 0.90.1 >>> installation. I get a message stating "hbase-default.xml seems to be >>> from an old version of hbase(null), this version is 0.90.1. >>> >>> >>> >>> But 0.90.1 doesn't seem to have an hbase-default.xml file that it >> ships >>> with (at least not in conf after I extracted the 0.90.1 .tar.gz file). >>> So what is the process to get my configs up and running on 0.90.1. >>> >>> >>> >>> -g >>> >>> >> >
