[GitHub] [hadoop-ozone] cxorm opened a new pull request #345: HDDS-2703. OzoneFSInputStream to support ByteBufferReadable

[GitBox <gi...@apache.org>]

cxorm opened a new pull request #345: HDDS-2703. OzoneFSInputStream to support ByteBufferReadable
URL: https://github.com/apache/hadoop-ozone/pull/345
 
 
   ## What changes were proposed in this pull request?
   This PR makes the ```OzoneFSInputStream``` implement ```ByteBufferReadable``` and override ```int read(ByteBuffer)```
   (Note: Cause the current dependency version of Hadoop in Ozone is 3.2.0, I don't implement ```ByteBufferPositionedReadable``` for now)
   
   ## What is the link to the Apache JIRA
   https://issues.apache.org/jira/browse/HDDS-2703
   
   ## How was this patch tested?
   UT is updated.
   Ran on my standalone cluster, and test it with python.
   (Without ```UnsupportedOperationException``` like [HDDS-2443](https://issues.apache.org/jira/browse/HDDS-2443
   ))
   ![Without ```UnsupportedOperationException```](https://i.imgur.com/hzyBcSZ.png)

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