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From Henry Robinson <he...@cloudera.com>
Subject Re: Safe Restart for Impala Deamon
Date Tue, 18 Apr 2017 17:12:35 GMT
On 18 April 2017 at 10:08, Antoni Ivanov <aivanov@vmware.com> wrote:

> Hi,
>
> I think right now if you want to restart Impala Deamon - all queries on
> this daemon executing on this node (either as fragments or coordinators)
> fail. Right?
> Is there a way (or do you plan) to have safe-restart option?
>
> It probably just needs to de-register from statestored (maybe it's safe)
> also there's 'impala-server.ready' option which can be marked as false and
> wait til all fragments/queries have finished (or times out) and then stops.
>

Right, that's basically what you need to do. See
https://issues.apache.org/jira/browse/IMPALA-1760. I don't think anyone is
actively working on it right now.

Henry

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