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From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: IGNITE-1071 IgniteCache.metrics() method returns local metrics
Date Thu, 24 Mar 2016 19:19:32 GMT
On Thu, Mar 24, 2016 at 5:35 AM, Anton Vinogradov <avinogradov@gridgain.com>
wrote:

> Do we need local metrics at IgniteCache?
>

Yes, I don’t see any reason why not. Let’s just follow the naming pattern
and prefix all local methods with the word “local”.


>
> On Thu, Mar 24, 2016 at 3:02 PM, Vladimir Ozerov <vozerov@gridgain.com>
> wrote:
>
> > + 1 to Anton and Alexey suggestions. Having both local and global MBeans
> > should do the trick.
> >
> > On Thu, Mar 24, 2016 at 2:47 PM, Alexey Kuznetsov <
> akuznetsov@gridgain.com
> > >
> > wrote:
> >
> > > Could we have local and global MBeans?
> > > Or local and global metrics inside same MBean?
> > >
> > > On Thu, Mar 24, 2016 at 6:26 PM, Anton Vinogradov <
> > > avinogradov@gridgain.com>
> > > wrote:
> > >
> > > > Hello,
> > > >
> > > > I'd like to discuss
> > > > IGNITE-1071 IgniteCache.metrics() method returns local metrics
> > > > <https://issues.apache.org/jira/browse/IGNITE-1071>
> > > >
> > > > I agree to make IgniteCache.metrics() global but want to keep MBeans
> > > local.
> > > >
> > > > According to specification:
> > > > An MBean can represent a device, an application, or any resource that
> > > needs
> > > > to be managed.
> > > > So, I think it's a good point that MBean represents node instead of
> > > > cluster.
> > > >
> > > > I case we will make MBeans global (representing whole cluster) we
> have
> > no
> > > > chances to see metrics of specific node which can be interesting for
> > some
> > > > reasons.
> > > > For example - per node cachePuts metric can show is there any
> problems
> > > with
> > > > affinity function or hashCode collisions.
> > > >
> > > > Val, Semen, could you please explain reasons of MBeans refactoring?
> > > > We will loose api to gain per node metrics in this case.
> > > >
> > > > Thoughts?
> > > >
> > >
> > >
> > >
> > > --
> > > Alexey Kuznetsov
> > > GridGain Systems
> > > www.gridgain.com
> > >
> >
>

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