G1 young STW time in MBean

[Staffan Larsen]

> On 26 maj 2015, at 08:22, Jakub Kubrynski <jk at codearte.io> wrote:
> 
> Jesper already pointed me about JMC. The reason we're not using it is that it cannot be integrated with our production monitoring. It's more problem solving tool than continuous APM. So the question is if Oracle is going to implement some MBeans for G1, and if not maybe we could propose JSR about it?
> 
I don’t think there are any open issues or plans for this, so contributions are always welcome!

/Staffan


> Cheers, 
> Jakub
> 
> 26 maj 2015 08:17 "Staffan Larsen" <staffan.larsen at oracle.com <mailto:staffan.larsen at oracle.com>> napisał(a):
> Try out Java Flight Recorder - it has a lot more data in it.
> 
> /Staffan
> 
> > On 25 maj 2015, at 22:49, Jesper Wilhelmsson <jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>> wrote:
> >
> > Including the serviceability team.
> >
> > There might be plans for G1 monitoring in the future but I don't know too much about what and when. I know there are commercial products that does a pretty good job at G1 monitoring but I don't know if that is an option for you.
> >
> > Best,
> > /Jesper
> >
> >
> > Jakub Kubrynski skrev den 25/5/15 22:42:
> >> Maybe we could propose some JSR about that? Using G1 without proper monitoring
> >> is like living on the edge :)
> >>
> >> Cheers,
> >> Jakub
> >>
> >> 2015-05-25 18:28 GMT+02:00 Jesper Wilhelmsson <jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>
> >> <mailto:jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>>>:
> >>
> >>    As far as I know there hasn't been much development done to get G1 to play
> >>    well with the MBeans. And I don't think there is anything planned in this
> >>    area. Maybe the serviceability team has other plans for the MBeans.
> >>    /Jesper
> >>
> >>
> >>    Jakub Kubrynski skrev den 25/5/15 17:43:
> >>
> >>        Do you know if there is any development planned in this area? Also there
> >>        is no
> >>        avgPauseTime, promoted and survived mbean information for G1. The only
> >>        available
> >>        substitution I see for now is to get safepoint timings.
> >>
> >>        Best,
> >>        Jakub Kubrynski
> >>
> >>        25 maj 2015 17:37 "Jesper Wilhelmsson" <jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>
> >>        <mailto:jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>>
> >>        <mailto:jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>
> >>        <mailto:jesper.wilhelmsson at oracle.com <mailto:jesper.wilhelmsson at oracle.com>>>> napisał(a):
> >>
> >>             Hi Jakub,
> >>
> >>             The times reported in the MBeans are total GC times. There is
> >>        currently no
> >>             way to get STW times through the MBeans.
> >>
> >>             Best regards,
> >>             /Jesper
> >>
> >>
> >>             Jakub Kubrynski skrev den 25/5/15 10:56:
> >>
> >>                 Hi,
> >>
> >>                 is there any possibility to get STW time for G1 young
> >>        collection through
> >>                 MBean?
> >>                 The duration reported here is IMHO total GC time (concurrent +
> >>        stw).
> >>
> >>                 --
> >>                 Best regards,
> >>                 Jakub Kubrynski
> >>
> >>
> >>                 _______________________________________________
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> >>        hotspot-gc-use at openjdk.java.net <mailto:hotspot-gc-use at openjdk.java.net> <mailto:hotspot-gc-use at openjdk.java.net <mailto:hotspot-gc-use at openjdk.java.net>>
> >>        <mailto:hotspot-gc-use at openjdk.java.net <mailto:hotspot-gc-use at openjdk.java.net>
> >>        <mailto:hotspot-gc-use at openjdk.java.net <mailto:hotspot-gc-use at openjdk.java.net>>>
> >>        http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use <http://mail.openjdk.java.net/mailman/listinfo/hotspot-gc-use>
> >>
> >>
> >>
> >>
> >> --
> >> Best regards,
> >> Jakub Kubrynski
> 

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