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HDFS >> mail # dev >> Create a data block in a certain data node


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Re: Create a data block in a certain data node
On 9 November 2012 13:29, Binglin Chang <[EMAIL PROTECTED]> wrote:

> If you just need some experiment setup,
> just set dfs.replication to 1, and using dfsclient on the same datenode to
> write data, the block is guaranteed to be the same datanode.
>

There's no guarantees: if there is no space on the local DN it will be
moved off-server.