G1 young STW time in MBean

Jesper Wilhelmsson jesper.wilhelmsson at oracle.com
Mon May 25 20:49:12 UTC 2015


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>>:
>
>     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>>> 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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>
>
>
>
> --
> Best regards,
> Jakub Kubrynski


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