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From Alejandro Abdelnur <t...@cloudera.com>
Subject Re: Re-swizzle 2.3
Date Fri, 07 Feb 2014 18:17:50 GMT
sire, as sandy said, lets keep it in branch 2 for now and if not resolved by 2.4 timeframe
we'll revert them there.


(phone typing)

> On Feb 7, 2014, at 10:14, Steve Loughran <stevel@hortonworks.com> wrote:
>> On 6 February 2014 17:07, Alejandro Abdelnur <tucu@cloudera.com> wrote:
>> Thanks Robert,
>> All,
>> I'm inclined to revert them from branch-2 as well.
> -1 to that; if there are issues we should be able to find and fix them soon
> enough. Even if you aren't doing long-lived YARN services yet, even llama
> benefits from this zero-container-loss on AM restart.
> We do have Hoya using this (introspection code because the protobuf
> structures are hidden away), means that you can kill the AM and HBase &
> Accumulo clusters stay up in their YARN containers, the restarted AM gets
> that list of containers (and any pending events), rebuilds its data
> structures and carries on as before. Sweet!
> https://github.com/hortonworks/hoya/blob/develop/hoya-core/src/main/java/org/apache/hoya/yarn/appmaster/HoyaAppMaster.java#L551
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