Beefy Boxes and Bandwidth Generously Provided by pair Networks
go ahead... be a heretic
 
PerlMonks  

(MeowChow) Re3: Looking for Leaks

by MeowChow (Vicar)
on Aug 09, 2001 at 22:20 UTC ( [id://103543]=note: print w/replies, xml ) Need Help??


in reply to Re: (MeowChow) Re2: Looking for Leaks
in thread Looking for Leaks

If your scripts aren't long-lived (ie. servers, mod_perl handlers), then it's unlikely that you will notice or care about memory leaks. If, however, you are writing code that is expected to stay resident for days, weeks, or months, then certainly memory leaks are a serious issue, as is the related problem of making sure your data structures do not grow unchecked.

AFAIK, the only thing that can cause a memory leak under Perl, outside of badly written XS code, is a circular self-reference, although I'd bet that there are some pathological memory allocation patterns which fragment memory to the point of appearing to cause memory leaks.

The HTML::TreeBuilder example is not really a case of a "module causing problems", since it includes a method for cleaning up after itself. I also wouldn't expect DBI to be a source of any memory leaks, since it's such a well-tested and often-used module. Regarding your last question, wrapping calls inside an eval would do nothing to prevent a memory leak.

   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?
Node Status?
node history
Node Type: note [id://103543]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this?Last hourOther CB clients
Other Users?
Others admiring the Monastery: (4)
As of 2024-04-13 10:31 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    No recent polls found