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Hong Tang commented on HADOOP-6662: ----------------------------------- This is duplicate for HADOOP-4196. > hadoop zlib compression does not fully utilize the buffer > --------------------------------------------------------- > > Key: HADOOP-6662 > URL: https://issues.apache.org/jira/browse/HADOOP-6662 > Project: Hadoop Common > Issue Type: Improvement > Components: io > Affects Versions: 0.20.2 > Reporter: Xiao Kang > > org.apache.hadoop.io.compress.ZlibCompressonr does not fully utilize its > buffer. > Its needesInput() return false when there is any data in its buffer (64K by > default). The performance will greately degrade since an JNI call will be > invoded at each time the write() method of CompressonStream is called. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.