zhihaixu2012 commented on a change in pull request #3175:
URL: https://github.com/apache/hadoop/pull/3175#discussion_r675873861
##########
File path: hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
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@@ -2657,6 +2657,17 @@
</description>
</property>
+<property>
+
<name>dfs.datanode.round-robin-volume-choosing-policy.additional-available-space</name>
+ <value>0</value>
Review comment:
No, It won't have issue. 10 GB is good for practical usage. But I am
afraid It may have some issues if people test Hadoop in local mode with less
than 10GB available space on the local disks without changing this
configuration value. Either 10 GB or 4 MB works for me. thanks
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