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From Dmitriy Pavlov <dpavlov....@gmail.com>
Subject Re: Wrong off-heap size is reported for a node
Date Fri, 17 Aug 2018 07:13:44 GMT
Hi Igniters,

It is not an easy fix, so I'm not sure it is possible to do in 2.7.

Offheap size is not reported by VM (it returns -1). To implement it we need
totally migrate off-heap memory metrics to durable memory data.

I think this issue was reported and I'll find the duplicate.

Sincerely,
Dmitriy Pavlov

пт, 17 авг. 2018 г. в 6:10, Denis Magda <dmagda@apache.org>:

> Yes, it was at the end of my wordy email :)
> https://issues.apache.org/jira/browse/IGNITE-9305
>
> --
> Denis
>
> On Thu, Aug 16, 2018 at 11:03 PM Dmitriy Setrakyan <dsetrakyan@apache.org>
> wrote:
>
> > Is there a blocker ticket for 2.7?
> >
> > On Thu, Aug 16, 2018, 19:59 Denis Magda <dmagda@apache.org> wrote:
> >
> > > Igniters,
> > >
> > > Was troubleshooting an Ignite deployment today and couldn't find out
> from
> > > the logs what was the actual off-heap space used.
> > >
> > > Those were the given memory resoures (Ignite 2.6):
> > >
> > > [2018-08-16 15:07:49,961][INFO ][main][GridDiscoveryManager] Topology
> > > snapshot [ver=1, servers=1, clients=0, CPUs=64, *offheap=30.0GB*,
> > > heap=24.0GB]
> > >
> > > And that weird stuff was reported by the node (pay attention to the
> last
> > > line):
> > >
> > > [2018-08-16 15:45:50,211][INFO
> > >
> > >
> >
> ][grid-timeout-worker-#135%cluster_31-Dec-2017%][IgniteKernal%cluster_31-Dec-2017]
> > > Metrics for local node (to disable set 'metricsLogFrequency' to 0)
> > >     ^-- Node [id=c033026e, name=cluster_31-Dec-2017,
> uptime=00:38:00.257]
> > >     ^-- H/N/C [hosts=1, nodes=1, CPUs=64]
> > >     ^-- CPU [cur=0.03%, avg=5.54%, GC=0%]
> > >     ^-- PageMemory [pages=6997377]
> > >     ^-- Heap [used=9706MB, free=61.18%, comm=22384MB]
> > >    * ^-- Non heap [used=144MB, free=-1%, comm=148MB] - this line is
> > always
> > > the same!*
> > >
> > > Had to change the code by using dataRegion.getPhysicalMemoryPages() to
> > find
> > > out that actual off-heap usage size was
> > > >>> Physical Memory Size: 28651614208 => 27324 MB, 26 GB
> > >
> > > Let's fix this issue in 2.7, I proposed a new format. Please review and
> > > share your thoughts:
> > > https://issues.apache.org/jira/browse/IGNITE-9305
> > >
> > > --
> > > Denis
> > >
> >
>

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