Yiqun Lin created HDFS-13884:
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Summary: Improve the description of the setting dfs.image.compress
Key: HDFS-13884
URL: https://issues.apache.org/jira/browse/HDFS-13884
Project: Hadoop HDFS
Issue Type: Improvement
Components: documentation
Affects Versions: 3.1.1
Reporter: Yiqun Lin
Assignee: Ryan Wu
In HDFS-1435, we introduced a new option to store fsimage compressed. And this
can avoid that It consumes a lot of network bandwidth when SBN do uploads a new
fsimage to ANN. When lots of network bandwidth was consumed, it will affect ANN
to deal with normal RPC requests or sync edit logs.
This is a very useful setting when our fsimage file is very large. However
current description of this setting is too simple, we can document this more.
{noformat}
<property>
<name>dfs.image.compress</name>
<value>false</value>
<description>Should the dfs image be compressed?
</description>
</property>
{noformat}
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