Tsz-wo Sze 4f9bbaa301 HDFS-5889. When starting rolling upgrade, create a fs image for rollback so that the standby namenode can create checkpoints during upgrade. Contributed by szetszwo & jing9 ... git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-5535@1567861 13f79535-47bb-0310-9956-ffa450edef68		2014-02-13 08:04:58 +00:00
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org/apache/hadoop	HDFS-5889. When starting rolling upgrade, create a fs image for rollback so that the standby namenode can create checkpoints during upgrade. Contributed by szetszwo & jing9	2014-02-13 08:04:58 +00:00
overview.html	Merge trunk into branch.	2013-03-29 21:33:35 +00:00