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From Steve Loughran <ste...@hortonworks.com>
Subject Re: Create a data block in a certain data node
Date Fri, 09 Nov 2012 18:31:41 GMT
On 9 November 2012 13:29, Binglin Chang <decstery@gmail.com> 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.

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