Tidying up

I am looking at my image to try and clean it up a bit. Having
clearedCaches I can still find

78 instances of WASession,
702 instances of EscapeContinuation,
722 instances of ResponseContinuation,
905 instances of WACurrentSession,
865 instances of WARenderCanvas.

and so on...

any ideas where to look to get the image to let go and let garbage?

Keith

               
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Since I've missed you saying you tried 'chase pointers' on some of
these instances, I'll mention it.  It's available in the Inspector
yellow button menu.

HTH,
Steve

On 9/25/06, Keith Hodges <[hidden email]> wrote:

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Steven Elkins wrote:
> Since I've missed you saying you tried 'chase pointers' on some of
> these instances, I'll mention it.  It's available in the Inspector
> yellow button menu.
>
> HTH,
> Steve
>
>
Indeed I had tried this many times. I discovered that Magma Proxies were
confusing the PointerFinder, having attempted to fix this by making the
PointerFinder ignore MagmaPRoxies I continued my search and ended up in
WeakRegistry!

One of my components is registered for finalisation, with its executor
being a minimal copy of itself with an inst var pointing to the resource
that needs to be tidied up on finalisation, which doesnt seem to be
happening.

I heard rumours that Squeak finalization was not all that good, is this
likely to be the problem and is there a way to give it a kick?

any ideas?

               
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Keith Hodges wrote:
> I heard rumours that Squeak finalization was not all that good, is this
> likely to be the problem and is there a way to give it a kick?
>
> any ideas?

Did you try (note - I don't run Magma):

http://lists.squeakfoundation.org/pipermail/magma/2006-September/000398.html

I run the regular WARegistry>>clearHandlers (which does
work to free up some sessions). I usually let my image grow
by about 10-20MB, then I run the stuff mentioned in the
message referenced above. I'm not sure I'd run that code
in a production environment though. I still need to track
down why the regular clearHandlers doesn't free up the
sessions.

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Solved my memory problem, I had some stuff in the #finalizationRegistry,
whose executors may not have been as well crafted as they needed to be
thus stopping the finalization process. Having fixed these, these
instances still didn't go away.

The, somewhat curious, missing piece of the puzzle was to find a way to
kick off finalization.

I created a TestGC class with a method #finalize that would write to the
transcript in order to see whether finalization was indeed working at all.

TestGC new finalizationRegistry add: TestGC new.

Having run this a few times, I took a look at the finalizationRegistry
and to my surprise everything had gone!

My previous days looking at this problem were confused and frustrated
due to MagmaMutatingProxies not being ignored by PointerFinder.

many thanks to everyone for your help.

Keith

       
       
               
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