impala-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Marcel Kornacker <mar...@cloudera.com>
Subject Re: Slow Impalad nodes
Date Fri, 07 Apr 2017 17:06:56 GMT
No, sorry, not at the moment.

We're planning on adding dynamic scheduling some time in the future.

On Fri, Apr 7, 2017 at 9:54 AM, Antoni Ivanov <aivanov@vmware.com> wrote:
> Hi,
>
> Is impala able to handle if some nodes are slower? For example in Hadoop (Spark/ Mapreduce)
you have the concept of speculation which enables a job to finish in reasonable time even
if node is particular slow.
>
> For example how will Impala handle those two cases:
> 1. Because for some reason (especially if there are other tenants) a particular node
has very high CPU utilization.
> 2. If some part of nodes are on slower or separate network. E.g: 10 nodes are in the
same LAN but 5 nodes are a few switches away :)
>
> Thanks.
>
>

Mime
View raw message