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MapReduce, mail # user - Re: On a small cluster can we double up namenode/master with tasktrackers?


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Re: On a small cluster can we double up namenode/master with tasktrackers?
Yanbo Liang 2013-03-18, 11:11
I think it is inadvisable to put NameNode and Master(JobTracker) placed in
the same machine,
because the two one are resource intensive applications.

2013/3/18 David Parks <[EMAIL PROTECTED]>

> 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.****
>
> ** **
>
> Would it be terribly unwise of me to Run such a configuration:****
>
> ** **
>
> **·         **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?****
>
> ** **
>
> ** **
>