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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Mon, 25 Jul 2011 19:46:33 -0000
Message-ID: <20110725194633.17556.89368@eos.apache.org>
Subject: 
 =?utf-8?q?=5BCassandra_Wiki=5D_Trivial_Update_of_=22HadoopSupport=22_by_j?=
 =?utf-8?q?eremyhanna?=
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Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for=
 change notification.

The "HadoopSupport" page has been changed by jeremyhanna:
http://wiki.apache.org/cassandra/HadoopSupport?action=3Ddiff&rev1=3D36&rev2=
=3D37

  If you are seeing inconsistent data coming back, consider the consistency=
 level that you are reading and writing at.  The two relevant properties ar=
e:
   * '''cassandra.consistencylevel.read''' - defaults to !ConsistencyLevel.=
ONE.
   * '''cassandra.consistencylevel.write''' - defaults to !ConsistencyLevel=
.ONE.
- Also since hadoop integration uses range scans underneath which do not do=
 read repair.  However reading at !ConsistencyLevel.QUORUM will reconcile d=
ifferences among nodes read.  See ReadRepair section as well as the !Consis=
tencyLevel section of the [[http://wiki.apache.org/cassandra/API|API]] page=
 for more details.
+ Also hadoop integration uses range scans underneath which do not do read =
repair.  However reading at !ConsistencyLevel.QUORUM will reconcile differe=
nces among nodes read.  See ReadRepair section as well as the !ConsistencyL=
evel section of the [[http://wiki.apache.org/cassandra/API|API]] page for m=
ore details.
  =

  [[#Top|Top]]
 =20