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From Gary Helmling <ghelml...@gmail.com>
Subject Re: NumTables/regions Quota management and RS groups - Core or coprocessors
Date Fri, 05 Dec 2014 22:21:23 GMT
I agree that quotas are a core issue.

It might be worth looking at why these features are easier to build as
coprocessors though (assuming that's true).  Could we be providing cleaner
separation in core APIs?

On Fri, Dec 5, 2014 at 1:35 PM, Francis Christopher Liu <
toffer.liu@gmail.com> wrote:

> Thanks for the response guys. Can I take it this is an affirmative for
> region server groups as well? HBASE-6721
>
>
> -Francis
>
> On Fri, Dec 5, 2014 at 10:17 AM, Ted Yu <yuzhihong@gmail.com> wrote:
>
> > bq. something like quotas is a core issue
> >
> > +1
> >
> > On Fri, Dec 5, 2014 at 10:09 AM, Andrew Purtell <apurtell@apache.org>
> > wrote:
> >
> > > ​In my opinion something like quotas is a core issue. It might be nice
> to
> > > allow coprocessors to hook in, but that's a secondary consideration.​
> > >
> > > On Thu, Dec 4, 2014 at 6:50 PM, Enis Söztutar <enis@apache.org> wrote:
> > >
> > > > Hi,
> > > >
> > > > We were chatting with Francis offline about these two features, which
> > are
> > > > both related to NS and multi-tenant deployments.
> > > >
> > > > The issue came up regarding whether these belong to core or they
> should
> > > be
> > > > left as coprocessor based implementations.
> > > >
> > > > From a users perspective, if we leave these as co-processors, I feel
> > that
> > > > they won't be used much and unless a very specific reason, most of
> the
> > > > users will not make use of them. However, especially for quotas for
> > > > example, I think that they should be enabled by default, and with
> some
> > > > reasonable default values (similar to how linux comes with default
> > ulimit
> > > > settings).
> > > >
> > > > We just wanted to bring this to dev to see what do you guys think.
> > > >
> > > > https://issues.apache.org/jira/browse/HBASE-8410
> > > > https://issues.apache.org/jira/browse/HBASE-6721
> > > >
> > >
> > >
> > >
> > > --
> > > Best regards,
> > >
> > >    - Andy
> > >
> > > Problems worthy of attack prove their worth by hitting back. - Piet
> Hein
> > > (via Tom White)
> > >
> >
>

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