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From Andrew Purtell <apurt...@apache.org>
Subject RE: HDFS-895 hflush speedup
Date Thu, 15 Apr 2010 17:53:41 GMT
I'll try this out when I get a chance. Probably not until the weekend. This looks great.

  - Andy


> From: Kannan Muthukkaruppan <Kannan@facebook.com>
> Subject: RE: HDFS-895 hflush speedup
> To: "hbase-dev@hadoop.apache.org" <hbase-dev@hadoop.apache.org>
> Date: Thursday, April 15, 2010, 10:51 AM
> Todd: Good stuff! Have you tried this
> out on a HBase test too?
> 
> > I think with it on, we can practically turn off group
> > commit and get quite a bit speedup.
> 
> Will batching now happen underneath the DFSClient
> automatically now that syncs/appends are not serialized.
> 
> regards,
> Kannan
> -----Original Message-----
> From: Todd Lipcon [mailto:todd@cloudera.com]
> Sent: Thursday, April 15, 2010 1:59 AM
> To: hbase-dev@hadoop.apache.org
> Subject: HDFS-895 hflush speedup
> 
> Any of you out there who are running the 0.20+200+etc
> hadoop with 0.20 branch hbase want to try this patch?
> I think with it on, we can practically
> turn off group commit and get quite a bit speedup.
> 
> --
> Todd Lipcon
> Software Engineer, Cloudera



      

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