From c28ba9bc5d3ffeb0e3c186513e303bb0c9131552 Mon Sep 17 00:00:00 2001 From: Brandon Li Date: Wed, 27 Nov 2013 22:35:14 +0000 Subject: [PATCH] HDFS-5577. Merging change r1546210 from trunk git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1546217 13f79535-47bb-0310-9956-ffa450edef68 --- hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt | 2 ++ .../hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm | 5 +++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index 172070f7ac1..caa74ef7a11 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -335,6 +335,8 @@ Release 2.2.1 - UNRELEASED HDFS-5548. Use ConcurrentHashMap in portmap (Haohui Mai via brandonli) + HDFS-5577. NFS user guide update (brandonli) + Release 2.2.0 - 2013-10-13 INCOMPATIBLE CHANGES diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm b/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm index c8de842510d..e976ebdd8e3 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/apt/HdfsNfsGateway.apt.vm @@ -53,11 +53,12 @@ HDFS NFS Gateway * If the client mounts the export with access time update allowed, make sure the following property is not disabled in the configuration file. Only NameNode needs to restart after this property is changed. On some Unix systems, the user can disable access time update - by mounting the export with "noatime". + by mounting the export with "noatime". If the export is mounted with "noatime", the user + doesn't need to change the following property and thus no need to restart namenode. ---- - dfs.access.time.precision + dfs.namenode.accesstime.precision 3600000 The access time for HDFS file is precise upto this value. The default value is 1 hour. Setting a value of 0 disables