Thanks, that makes sense.
john
-Original Message-
From: Harsh J [mailto:ha...@cloudera.com]
Sent: Sunday, September 15, 2013 12:39 PM
To:
Subject: Re: HDFS performance with an without replication
Write performance improves with lesser replicas (as a result of synchronous and
sequenced
Write performance improves with lesser replicas (as a result of
synchronous and sequenced write pipelines in HDFS). Reads would be the
same, unless you're unable to schedule a rack-local read (at worst
case) due to only one (busy) rack holding it.
On Sun, Sep 15, 2013 at 10:38 PM, John Lilley wro