> I've created a script that is checking the status of an ASE-server.
> It's running in an infinitive loop:
>
> 1. Connect to the database
> 2. Doing some checks...
> 3. Disconnecting from the db
> 4. Sleeping for avile
> 5. <Doing all again (goto 1)>
>
> I found that the perl prosess is using about 4k more memory for each
> time it runs the loop. If the script runs once on hour it will use
> about 3000k more memory after one month... The script is supposed to
> run longer than that...
This sounds like a memory leak of some sort, and you post your script
(if it's smallish) so that we can take a peek? The main loop should
look something like:
while (1) {
$dbh = Connect->new(); # psuedocode
verify($dbh);
$dbh->disconnect();
sleep $time;
}
and use lexical variables in 'verify()', hence you avoid leaving large
datastructures in memory when you sleep.
> I'm using SybPerl to connect to the database. What can I do to avoid
> the memory leak?
If it still leaks after checking your code, then update the module. Try
again, and if there is still a problem then simplify the script until it
goes away. Then create a bug report with 'rt.cpan.org', giving the script
that demonstrates the problem (the reduced one).
Jonathan Paton
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