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 mentioned).
The best reference explaining this is: https://www.cloudera.com/documentation/enterprise/latest/topics/impala_howto_rm.html Best, Matt On Wed, May 3, 2017 at 3:54 AM, yu feng <[email protected]> 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.
