ramkrish86 commented on a change in pull request #2419:
URL: https://github.com/apache/hbase/pull/2419#discussion_r490998671



##########
File path: 
hbase-server/src/main/java/org/apache/hadoop/hbase/fs/HFileSystem.java
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@@ -85,8 +85,6 @@ public HFileSystem(Configuration conf, boolean 
useHBaseChecksum)
     this.fs = FileSystem.get(conf);
     this.useHBaseChecksum = useHBaseChecksum;
 
-    fs.initialize(getDefaultUri(conf), conf);
-

Review comment:
       @busbey 
   Thanks for having a look. Yes the `FileSystem.get` is giving us the same 
instance of the Filesystem and always does an intialize also. .So we doing 
another initialize() is actually creating all member variables more than once. 
We have seen in our FS impl we have some thread pools - all those are getting 
created more than once. 




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