Repository: hadoop Updated Branches: refs/heads/branch-2 a94d23762 -> 2d3c5507c
HDFS-6806. HDFS Rolling upgrade document should mention the versions available. Contributed by J.Andreina. (cherry picked from commit 82db3341bfb344f10c4c6cc8eea0d8c19e05956a) Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/2d3c5507 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/2d3c5507 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/2d3c5507 Branch: refs/heads/branch-2 Commit: 2d3c5507ce81582633ed3ff47757afd6e8f7abf7 Parents: a94d237 Author: Akira Ajisaka <[email protected]> Authored: Tue Mar 10 11:22:11 2015 +0900 Committer: Akira Ajisaka <[email protected]> Committed: Tue Mar 10 11:23:06 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/2d3c5507/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 cc8a69e..9c2f979 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -432,6 +432,9 @@ 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/2d3c5507/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 1053695..e7d8698 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>,
