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From Matthew Jacobs>
Subject Re: impala and yarn
Date Wed, 03 May 2017 17:31:16 GMT
Hi Yu,

Llama was unsupported because it didn't work properly and we believe
that the design was flawed. Instead, we recommend using a combination
of "CM Static Service Pools" and Impala's admission control (as you

The best reference explaining this is:


On Wed, May 3, 2017 at 3:54 AM, yu feng <> wrote:
> hi community:
>   I know impala has integrated resource managerment within YARN using
> llama, But this will not supported since CDH 5.5/Impala 2.3(I find it in
> cloudera document).
>   I want to know what is the reason doing this?  I find in current(impala
> 2.8.0) admission control system, What I can do is  restricting the max
> memory usage of a query can used in every impalad. Am I right?  or do you
> have some good suggestion about resource memagement and resource isolation.
> Thanks a lot.

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