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From aajis...@apache.org
Subject hadoop git commit: HDFS-6806. HDFS Rolling upgrade document should mention the versions available. Contributed by J.Andreina.
Date Tue, 10 Mar 2015 02:28:23 GMT
Repository: hadoop
Updated Branches:
  refs/heads/trunk d6e05c5ee -> 82db3341b


HDFS-6806. HDFS Rolling upgrade document should mention the versions available. Contributed
by J.Andreina.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/82db3341
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/82db3341
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/82db3341

Branch: refs/heads/trunk
Commit: 82db3341bfb344f10c4c6cc8eea0d8c19e05956a
Parents: d6e05c5
Author: Akira Ajisaka <aajisaka@apache.org>
Authored: Tue Mar 10 11:22:11 2015 +0900
Committer: Akira Ajisaka <aajisaka@apache.org>
Committed: Tue Mar 10 11:22:11 2015 +0900

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                      | 3 +++
 .../hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml             | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/82db3341/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 094abfe..a2e552a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -737,6 +737,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-7898. Change TestAppendSnapshotTruncate to fail-fast.
     (Tsz Wo Nicholas Sze via jing9)
 
+    HDFS-6806. HDFS Rolling upgrade document should mention the versions
+    available. (J.Andreina via aajisaka)
+
   OPTIMIZATIONS
 
     HDFS-7454. Reduce memory footprint for AclEntries in NameNode.

http://git-wip-us.apache.org/repos/asf/hadoop/blob/82db3341/hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml b/hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml
index f2f3ebe..28649a8 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/xdoc/HdfsRollingUpgrade.xml
@@ -47,7 +47,9 @@
     These two capabilities make it feasible to upgrade HDFS without incurring HDFS downtime.
     In order to upgrade a HDFS cluster without downtime, the cluster must be setup with HA.
   </p>
-
+  <p>
+    Note that rolling upgrade is supported only from Hadoop-2.4.0 onwards.
+  </p>
   <subsection name="Upgrade without Downtime" id="UpgradeWithoutDowntime">
   <p>
     In a HA cluster, there are two or more <em>NameNodes (NNs)</em>, many <em>DataNodes
(DNs)</em>,


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