[jira] Commented: (HDFS-578) Support for using server default values for blockSize and replication when creating a file

["Sanjay Radia (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749657#action_12749657 ] 

Sanjay Radia commented on HDFS-578:
-----------------------------------

Proposal: BlockSize(BS) and RepF (RF)are either obtained from server side (SS)  or application specifies it in his call to create.
The bytesPerChecksum and and packetSize are *always* SS (ie cannot be specified on client side); ie remove this flexibility from the current system.


> Support for using server default values for blockSize and replication when creating a file
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-578
>                 URL: https://issues.apache.org/jira/browse/HDFS-578
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs client, name-node
>            Reporter: Kan Zhang
>            Assignee: Kan Zhang
>
> This is a sub-task of HADOOP-4952. This improvement makes it possible for a client to specify that it wants to use the server default values for blockSize and replication params when creating a file.

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