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Posted to common-commits@hadoop.apache.org by yq...@apache.org on 2018/09/10 05:58:10 UTC
hadoop git commit: HDFS-13884. Improve the description of the setting
dfs.image.compress. Contributed by Ryan Wu.
Repository: hadoop
Updated Branches:
refs/heads/trunk eef3bafae -> 0da49642f
HDFS-13884. Improve the description of the setting dfs.image.compress. Contributed by Ryan Wu.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/0da49642
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/0da49642
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/0da49642
Branch: refs/heads/trunk
Commit: 0da49642fc1eb71997b1aa268583c1ba09a16687
Parents: eef3baf
Author: Yiqun Lin <yq...@apache.org>
Authored: Mon Sep 10 13:57:36 2018 +0800
Committer: Yiqun Lin <yq...@apache.org>
Committed: Mon Sep 10 13:57:36 2018 +0800
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.../hadoop-hdfs/src/main/resources/hdfs-default.xml | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/0da49642/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
index 5f115ec..1573582 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
@@ -1284,7 +1284,11 @@
<property>
<name>dfs.image.compress</name>
<value>false</value>
- <description>Should the dfs image be compressed?
+ <description>When this value is true, the dfs image will be compressed.
+ Enabling this will be very helpful if dfs image is large since it can
+ avoid consuming a lot of network bandwidth when SBN uploads a new dfs
+ image to ANN. The compressed codec is specified by the setting
+ dfs.image.compression.codec.
</description>
</property>
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