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HDFS-13884. Improve the description of the setting dfs.image.compress. Contributed by Ryan Wu.

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Yiqun Lin 2018-09-10 13:57:36 +08:00
parent eef3bafae8
commit 0da49642fc
1 changed files with 5 additions and 1 deletions
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hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@ -1284,7 +1284,11 @@
<property> <property>
<name>dfs.image.compress</name> <name>dfs.image.compress</name>
<value>false</value> <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> </description>
</property> </property>