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From Maxim Khutornenko <ma...@apache.org>
Subject Re: Feature proposal: ability to apply a block on all updates in the scheduler
Date Wed, 11 Feb 2015 19:54:10 GMT
+1 to the proposal. However, the ticket already exists:
https://issues.apache.org/jira/browse/AURORA-1091.

On Wed, Feb 11, 2015 at 11:51 AM, David McLaughlin
<dmclaughlin@apache.org> wrote:
> Hi aurora-dev,
>
> I'd like to propose a feature that I think could be useful to
> admins/operators of Aurora clusters. The feature would be to allow an
> administrator of the cluster to "block" write operations from happening in
> the scheduler, essentially putting it into read-only mode for a period of
> time. It could be a simple global lock across the entire cluster or we
> could get sophisticated and apply locks across roles, environments or
> specific jobs.
>
> I think this has the potential to be very simple (reject new RPCs but allow
> existing operations to continue) or it can start to get complicated (also
> pause all in-progress updates and other reschedule events).
>
> Would welcome feedback on this idea before I create a ticket.
>
>
> Thanks,
> David

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