memory insanity
Steve Langstaff
srl@REDACTED
Fri Sep 14 10:22:44 CEST 2001
Just out of interest... does it leak by (sizeof(.beam) x number of file reads) ?
--
Steve L.
On 14 September 2001 09:08, Matthias Lang [SMTP:matthias@REDACTED] wrote:
> Hi,
>
> Using R7B-3, this program bloats at a rate of about 100k per second on
> my intel linux box. It does similar things on my PPC board. I've
> watched it go up to 20Mb (using 'top') before stopping it.
>
> I'd much appreciate it if a few people could confirm this result, a
> result from a commercial solaris version would be interesting too.
>
> Run it in the same directory as the .beam (it reads the .beam file):
>
> leaky:go().
>
> Matthias
>
> ----------------------------------------------------------------------
> -module(leaky).
> -author('matthias@REDACTED').
>
> -compile(export_all).
> -record(state, {eth_curr, eth_prev}).
>
> go() -> loop(#state{}).
>
> loop(State) ->
> State1 = update_ethernet(State),
> erlang:garbage_collect(),
> loop(State1).
>
> update_ethernet(State) ->
> Bin = grab_eth(),
> Prev = State#state.eth_curr,
> State#state{eth_curr = {now(), Bin}, eth_prev = Prev}.
>
> grab_eth() ->
> {ok, IF} = file:open("leaky.beam", [raw, binary, read]),
> {ok, Bin} = file:read(IF, 2000),
> ok = file:close(IF),
> Bin.
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