On Wed, Jun 1, 2011 at 7:32 AM, Robert Gonzalez
<robert.gonza...@maxpointinteractive.com> wrote:
> We have a table copy program that copies the data from one table to another, 
> and we can give it the start/end keys.  In this case we created a new blank 
> table with the essential column families and let it run with start/end to be 
> the whole range, 0-maxkey.  At about 30% of the way through, which is roughly 
> 600 million rows, it died trying to write to the new table with the wrong 
> region exception.  When we tried to restart the copy from that key + some 
> delta, it still crapped out.  No explanation in the logs the first time, but 
> a series of timeouts in the second run.  Now we are trying the copy again 
> with a new table.
>

Robert:

Do you have the master logs for this copy run still?  If so, if you
put them somewhere where I can pull them (or send them to me, I'll
take a look).   I'd like to see the logs in the cluster to which you
were copying the data.

St.Ack


> -----Original Message-----
> From: saint....@gmail.com [mailto:saint....@gmail.com] On Behalf Of Stack
> Sent: Tuesday, May 31, 2011 6:42 PM
> To: user@hbase.apache.org
> Subject: Re: wrong region exception
>
> So, what about this new WrongRegionException in the new cluster.  Can you 
> figure how it came about?  In the new cluster, is there also a hole?  Did you 
> start the new cluster fresh or copy from old cluster?
>
> St.Ack
>
> On Tue, May 31, 2011 at 1:55 PM, Robert Gonzalez 
> <robert.gonza...@maxpointinteractive.com> wrote:
>> Yeah, we learned the hard way early last year to follow the guidelines 
>> religiously.  I've gone over the requirements and checked off everything.  
>> We even re-did our tables to only have 4 column families, down from 4x that 
>> amount.   We are at a loss to find out why we seemed to be cursed when it 
>> comes to HBase.  Hadoop is performing like a charm, pretty much every 
>> machine is busy 24/7.
>>
>> -----Original Message-----
>> From: saint....@gmail.com [mailto:saint....@gmail.com] On Behalf Of
>> Stack
>> Sent: Tuesday, May 31, 2011 3:03 PM
>> To: user@hbase.apache.org
>> Subject: Re: wrong region exception
>>
>> On Tue, May 31, 2011 at 10:42 AM, Robert Gonzalez 
>> <robert.gonza...@maxpointinteractive.com> wrote:
>>> Now I'm getting the wrong region exception on the new table that I'm 
>>> copying the old table to.  Running hbck reveals an inconsistency in the new 
>>> table.  The frustration is unbelievable.  Like I said before, it doesn't 
>>> appear that HBase is ready for prime time.  I don't know how companies are 
>>> using this successfully, it doesn't appear plausible.
>>>
>>
>>
>> Sorry you are not having a good experience.  I've not seen 
>> WrongRegionException in ages (Grep these lists yourself).  Makes me suspect 
>> your environment.  For sure you've read the requirements section in the 
>> manual and set up ulimits, nprocs and xceivers up?
>>
>> St.Ack
>>
>

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