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HDFS >> mail # user >> On a small cluster can we double up namenode/master with tasktrackers?


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David Parks 2013-03-18, 10:24
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Re: On a small cluster can we double up namenode/master with tasktrackers?
I think its fine to keep it so long as you also monitor the nodes for
issues during heavy load times and tweak slave configs appropriately
when some resource is overused.

On Mon, Mar 18, 2013 at 3:54 PM, David Parks <[EMAIL PROTECTED]> wrote:
> I want 20 servers, I got 7, so I want to make the most of the 7 I have. Each
> of the 7 servers have: 24GB of ram, 4TB, and 8 cores.
>
>
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> Would it be terribly unwise of me to Run such a configuration:
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>
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> ·         Server #1:           NameNode + Master + TaskTracker(reduced
> slots)
>
> ·         Server #2:           CheckpointNode(aka Secondary Name Node) +
> TaskTracker(slightly reduced slots)
>
> ·         Server #3:           TaskTracker
>
> ·         Server #4:           TaskTracker
>
> ·         Server #5:           TaskTracker
>
> ·         Server #6:           TaskTracker
>
> ·         Server #7:           TaskTracker
>
>
>
> Did I miss anything? Did I shoot myself in the foot anywhere?
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>
>
>

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Harsh J
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Jens Scheidtmann 2013-03-19, 08:12
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David Parks 2013-03-20, 09:27