Liang Xie created HDFS-6108:
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Summary: make the length of the range in sync_file_range()
configurable
Key: HDFS-6108
URL: https://issues.apache.org/jira/browse/HDFS-6108
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode
Affects Versions: 2.3.0, 3.0.0
Reporter: Liang Xie
Assignee: Liang Xie
Current codebase has a hard code value for sync_file_range system call, we'd
better to make it configurable, since different scenario probably has a
different/better value for it. (ps: i found it's 1 * 1024 * 1024 in fb-20
branch)
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