Re: Hbase performance with HDFS

[M. C. Srivas]

On Mon, Jul 11, 2011 at 12:37 PM, Joey Echeverria <j...@cloudera.com> wrote:

> > :-)
> >
> > No changes were required in HBase to enable this.
>
> Do the semantics of sync change? Do you pause one or more outstanding
> syncs, sync a group of data (4KB maybe) and then return from all of
> those outstanding syncs simultaneously?
>

HDFS "sync" is merely a subset of full-fledged NFS support (which includes
fully random-write, NFS commit and NFS fsync). So it was trivially easy to
support hbase's requirements in MapR.



>
> -Joey
>
> --
> Joseph Echeverria
> Cloudera, Inc.
> 443.305.9434
>