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From Dmitriy Setrakyan <dsetrak...@apache.org>
Subject Re: Wrong off-heap size is reported for a node
Date Fri, 17 Aug 2018 03:03:39 GMT
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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