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Posted to user@aurora.apache.org by Mohit Jaggi <mo...@uber.com> on 2018/02/05 21:46:11 UTC

tiers.info question

Folks,
What are the implications of changing tiers.json on the replicated log? If
a tier is removed, for example, will the Aurora code fail to read the
replicated log on scheduler restart?

Mohit.

Re: tiers.info question

Posted by Bill Farner <wf...@apache.org>.

>
> If a tier is removed, for example, will the Aurora code fail to read the
> replicated log on scheduler restart

Yes.  A task in storage with an unknown tier will fail during recovery here
<https://github.com/apache/aurora/blob/39337c3ee8eadff5e27212bca55b1195600a3411/src/main/java/org/apache/aurora/scheduler/TierManager.java#L102-L104>
.

On Mon, Feb 5, 2018 at 1:46 PM, Mohit Jaggi <mo...@uber.com> wrote:

> Folks,
> What are the implications of changing tiers.json on the replicated log? If
> a tier is removed, for example, will the Aurora code fail to read the
> replicated log on scheduler restart?
>
> Mohit.
>