Brandon Li created HDFS-7976:
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Summary: Update NFS user guide for mount option "sync" to minimize
or avoid reordered writes
Key: HDFS-7976
URL: https://issues.apache.org/jira/browse/HDFS-7976
Project: Hadoop HDFS
Issue Type: Improvement
Components: documentation, nfs
Affects Versions: 2.2.0
Reporter: Brandon Li
Assignee: Brandon Li
The mount option "sync" is critical. I observed that this mount option can
minimize or avoid reordered writes. Mount option "sync" could have some
negative performance impact on the file uploading. However, it makes the
performance much more predicable and can also reduce the possibly of failures
caused by file dumping.
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