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From Stack <st...@duboce.net>
Subject Re: initial experience with HBase 0.90.1 rc0
Date Thu, 10 Feb 2011 23:04:00 GMT
So, .META. is not online?  What happens if you use shell at this time.

Your attachement did not come across Ted.  Mind postbin'ing it?

St.Ack

On Thu, Feb 10, 2011 at 2:41 PM, Ted Yu <yuzhihong@gmail.com> wrote:
> I replaced hbase jar with hbase-0.90.1.jar
> I also upgraded client side jar to hbase-0.90.1.jar
>
> Our map tasks were running faster than before for about 50 minutes. However,
> map tasks then timed out calling flushCommits(). This happened even after
> fresh restart of hbase.
>
> I don't see any exception in region server logs.
>
> In master log, I found:
>
> 2011-02-10 18:24:15,286 DEBUG
> org.apache.hadoop.hbase.master.handler.OpenedRegionHandler: Opened region
> -ROOT-,,0.70236052 on sjc1-hadoop6.X.com,60020,1297362251595
> 2011-02-10 18:24:15,349 INFO org.apache.hadoop.hbase.catalog.CatalogTracker:
> Failed verification of .META.,,1 at address=null;
> org.apache.hadoop.hbase.NotServingRegionException:
> org.apache.hadoop.hbase.NotServingRegionException: Region is not online:
> .META.,,1
> 2011-02-10 18:24:15,350 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign:
> master:60000-0x12e10d0e31e0000 Creating (or updating) unassigned node for
> 1028785192 with OFFLINE state
>
> I am attaching region server (which didn't respond to stop-hbase.sh) jstack.
>
> FYI
>
> On Thu, Feb 10, 2011 at 10:10 AM, Stack <stack@duboce.net> wrote:
>>
>> Thats probably enough Ted.  The 0.90.1 hbase-default.xml has an extra
>> config. to enable the experimental HBASE-3455 feature but you can copy
>> that over if you want to try playing with it (it defaults off so you'd
>> copy over the config. if you wanted to set it to true).
>>
>> St.Ack
>
>

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