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From Stack <st...@duboce.net>
Subject Re: hbase mttr vs. hdfs
Date Wed, 18 Jul 2012 09:36:01 GMT
On Fri, Jul 13, 2012 at 6:31 PM, Andrew Purtell <apurtell@apache.org> wrote:
> Changing the block placement policy for HBase WALs to avoid the local
> machine is interesting. Those who could make use of this approach
> would be those who:
>
>     - Control their NameNode, it's classpath, and it's configuration
>
>     - Would make the risk assessment that it is acceptable to plug
> something in there from the HBase project
>
>     - Are not using another block placement policy, either the one
> from HDFS-RAID or their own
>

The above list makes this approach pretty much untenable.

(We'd customize block policy by looking at the path to the file?  We'd
then fall back on default or pass the buck to another user-specified
policy?)

St.Ack

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