Function level try recourse directives.

[Nathan Reynolds]

I understand.  However, CloseableCollection is not part of the JDK.  It is
in a separate library that is probably brand new.  It probably is used only
by a handful of projects at this time.

On Thu, Dec 29, 2022 at 2:28 AM Mark Raynsford <org.openjdk at io7m.com> wrote:

> On 2022-12-28T12:15:03 -0800
> Nathan Reynolds <numeralnathan at gmail.com> wrote:
>
> > CloseableCollection is a class of the library.  It won't show up in heap
> > dumps because probably very few people are using it.  You would need to
> > look at JIT optimized assembly to see if JIT is eliding the
> > CloseableCollection and it's internal data structure (array?).
>
> To be clear, I'm referring to the heap sampling feature of tools like
> VisualVM:
>
>   https://herongyang.com/Java-Tools/jvisualvm-Heap-Dump-Class-List.jpg
>
> The CloseableCollection will show up even if there's only a single
> instance. The internal array of the ArrayDeque does get mixed into the
> samples for Object[], though.
>
> --
> Mark Raynsford | https://www.io7m.com
>
>
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