I have been working hard to understand the issue, and it seems to related to
the creation of lots of functions using eval.
for instance if you run: (for [_ (range 10000)] (eval (read-string "(fn [x]
(inc x))")))
2 or 3 time it will consume all PermGen. Is there any way to palliate this
problem?
As regards head retention, I believe it's not the problem because I run all my
processing in one line[1] the repl without assigning the result to any var,
then I press "1" four times to avoid the repl
retain references in "*1 *2 *3" variables, after that I run (System/gc) several
times and then I take the memory snapshot using yourkit. Finally, in the mem
snapshot there are no live instances inside
mentat.* packages generated by clojure.
[1] (-> (g/build-dot-file [(t/trace-gen ArrayStack sel-fn)]) d/dot (d/save!
"arrayStack.eps" {:format :eps}))
Regards,
--
Pablo
On 05/23/2014 02:04 AM, Mars0i wrote:
>
>
> On Wednesday, May 21, 2014 7:43:41 PM UTC-5, Bauna wrote:
>
> The main loop is here[2] in the function trace-gen that generates a lazy
> list. I don't care about the memory required during the execution of the
> function but after it should be GC'd all.
>
>
> Just a quick question: Have you checked to make sure that that you are not
> keeping a reference to the beginning (or other position) of the lazy list
> after you're done processing it?
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