hbase-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ryan Rawson <ryano...@gmail.com>
Subject Re: RetriesExhaustedException
Date Thu, 23 Jul 2009 06:46:19 GMT
how many cpus and cores does your system have?

you cant run a map-reduce mapper, dfs, hbase on 2 cpus as we discovered recently

On Wed, Jul 22, 2009 at 11:42 PM, Mathias
Herberts<mathias.herberts@gmail.com> wrote:
>> You've never run with an older version of TRUNK? Only a recent one, one that
>> had 1615 in it?
>
> Nope.
>
>> I might have seen this in a recent test run.  Let me retry.  At least there
>> is better debug since hbase-1603.
>
> I think the problem is indeed related to a split as it  occurs less
> and less as I rerun the MR job (and thus the region count is already
> high and less splits are needed).
>
> If I store records in HBase from the mappers, the problem is even
> worse when starting with an empty table as records are not sorted and
> more splits occur more rapidly.
>
> Mathias.
>

Mime
View raw message