On Wed, Nov 16, 2016 at 10:44 PM, Stack <[email protected]> wrote:

> On Wed, Nov 16, 2016 at 10:57 AM, Gary Helmling <[email protected]>
> wrote:
>
>>
>> Do you folks run the meta-carrying-master form G?
>
> Pardon me. I missed a paragraph. I see you folks do deploy this form.
St.Ack





> St.Ack
>
>
>
>
>
>>
>>
>> > > >
>> > > Is this just because meta had a dedicated server?
>> > >
>> > >
>> > I'm sure that having dedicated resources for meta helps.  But I don't
>> think
>> > that's sufficient.  The key is that master writes to meta are local, and
>> do
>> > not have to contend with the user requests to meta.
>> >
>> > It seems premature to be discussing dropping a working implementation
>> which
>> > eliminates painful parts of distributed consensus, until we have a
>> complete
>> > working alternative to evaluate.  Until then, why are we looking at
>> > features that are in use and work well?
>> >
>> >
>> >
>> How to move forward here? The Pv2 master is almost done. An ITBLL bakeoff
>> of new Pv2 based assign vs a Master that exclusively hosts hbase:meta?
>>
>>
>> I think that's a necessary test for proving out the new AM implementation.
>> But remember that we are comparing a feature which is actively supporting
>> production workloads with a line of active development.  I think there
>> should also be additional testing around situations of high meta load and
>> end-to-end assignment latency.
>>
>
>

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