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https://issues.apache.org/jira/browse/HDFS-7976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Li updated HDFS-7976:
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Description: 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 possibility of
failures caused by file dumping. (was: 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.)
> 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 possibility of
> failures caused by file dumping.
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