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https://issues.apache.org/jira/browse/HDFS-9105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14904640#comment-14904640
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Chang Li commented on HDFS-9105:
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Hi [~cmccabe], thanks for comment. What I am trying to achieve is to separate
the min replication factor to enforce when create a file and the min
replication factor to check when complete block.
> separate replication config for client to create a file or set replication
> --------------------------------------------------------------------------
>
> Key: HDFS-9105
> URL: https://issues.apache.org/jira/browse/HDFS-9105
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chang Li
> Assignee: Chang Li
> Attachments: HDFS-9105.patch
>
>
> one scenario when we want this new config: we want to enforce min replication
> of value 2, when client try to create a file, it's check against the
> replication factor of the new config, which is set to 2, so that client can
> not create a file of replication of 1. But when client try to close file and
> there are some datanode failures in the pipeline and only 1 datanode remain,
> it is checked against old minReplication value, which has value 1, so we will
> allow client to close the file.
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