Some questions related to "managed memory":

1. Should the managed memory be part of direct memory?
2. Should the shuffle memory also be part of the managed memory?

Best,
Kurt


On Fri, Feb 21, 2020 at 10:41 AM Xintong Song <tonysong...@gmail.com> wrote:

> Thanks for driving this FLIP, Yadong.
>
> +1 (non-binding) for the FLIP in general. I think this really helps our
> users to understand and use the new FLIP-49 memory configuration.
>
> I have a few minor comments.
> - There's a frame "Other" in the frame "Non-Heap", besides "JVM Overhead"
> and "JVM Metaspace". IIUC, the purpose of this is to explain the
> mismatching between the metric "non-heap maximum" and the sum of the
> configurations "JVM metaspace" & "JVM Overhead". However, from the
> perspective of FLIP-49, JVM Overhead accounts for all the JVM non-heap
> memory usages except for metaspace. The metrics does not match the
> configuration because we did not set the a JVM parameter for "max non-heap
> memory" (actually I'm not sure whether it can be specified in java 8). The
> current UI might confuse people making them think there are other non-heap
> memory usages not accounted by the configurations. Therefore, I would
> suggest to remove the "Other" frame, but add another frame inside "JVM
> Overhead", besides "Configuration", with "JVM limit" as the title and
> "non-heap max metric minus metaspace configuration" as the value .
>
> - In the final release, we have changed "shuffle memory" to "network
> memory" because the latter is easier to understand for users. I think we
> should be updated it in this FLIP as well.
>
> - There's a typo "Directed" (should be "Direct") at the direct memory
> metric.
>
> Thank you~
>
> Xintong Song
>
>
>
> On Thu, Feb 20, 2020 at 5:52 PM Yadong Xie <vthink...@gmail.com> wrote:
>
> > Hi all
> >
> > I want to start the vote for FLIP-102, which proposes to add more metrics
> > to the task manager in web UI.
> >
> > To help everyone better understand the proposal, we spent some efforts on
> > making an online POC
> >
> > previous web:
> >
> >
> http://101.132.122.69:8081/#/task-manager/6df6c5f37b2bff125dbc3a7388128559/metrics
> > POC web:
> >
> >
> http://101.132.122.69:8081/web/#/task-manager/6df6c5f37b2bff125dbc3a7388128559/metrics
> >
> >
> > The vote will last for at least 72 hours, following the consensus voting
> > process.
> >
> > FLIP wiki:
> >
> >
> https://cwiki.apache.org/confluence/display/FLINK/FLIP-102%3A+Add+More+Metrics+to+TaskManager
> >
> > Discussion thread:
> >
> >
> http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-FLIP-75-Flink-Web-UI-Improvement-Proposal-td33540.html
> >
> > Thanks,
> >
> > Yadong
> >
>

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