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From Kannan Muthukkaruppan <Kan...@facebook.com>
Subject RE: HDFS-895 hflush speedup
Date Thu, 15 Apr 2010 17:51:00 GMT
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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