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Posted to hdfs-dev@hadoop.apache.org by "Kai Zheng (JIRA)" <ji...@apache.org> on 2015/08/17 15:34:45 UTC
[jira] [Created] (HDFS-8903) Uses ByteBuffer on heap or direct
ByteBuffer according to used erasure coder in striping write
Kai Zheng created HDFS-8903:
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Summary: Uses ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping write
Key: HDFS-8903
URL: https://issues.apache.org/jira/browse/HDFS-8903
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Kai Zheng
Assignee: Kai Zheng
We would choose ByteBuffer on heap or direct ByteBuffer according to used erasure coder in striping write, for performance consideration. Pure Java implemented coder favors on heap one, though native coder likes more direct one, avoiding data copy.
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