[Tilesathome] lowzoom crash

[Raphael Studer]

> > from "top":
> >   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
> > 32129 deelkar   15   0 3007m 831m 2452 S   20 82.4   0:57.47 lowzoom.pl
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.7 (GNU/Linux)
> > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
>
> I've seen nearly the same thing some moments ago.
> After 24% processing, the lowzoom.pl uses about 1000 mb VIRT and 600
> mb RES, whats nealry all on the machine i'm running it.
> As mutch as i understand the lowzoom algorithm:
> take 4 pictures (maybe first download them) and make a small one of it.
> Needing 1GB RAM for 4 Picutres sounds more as a memory leak as too less memory.
>
> The leaks could come from:
> line 267: $image = Image::Magick->new
> the $image is never destructed (maybe thats not needed in perl) or
> maybe its destructed on the perl site, but not in de Image::Magick
> library site.
Ooh, you very fast.
But didn't helped. Still very much memory used.
Even if you also undef $AA; undef $BB; undef $AB; undef $BA;

> The other cricical thing is the recursive call of lowZoom(x,y,z,max,status).
> I gues this could also be done with two loops (one from maxz to z, the
> other trough all tiles on a z level).

I belife its the recursive call. But as spaetz told, better use your
energy to push the ptoper lowzoom (wherever the name come from..)

Raphael