rumos2 has asked for the wisdom of the Perl Monks concerning the following question:
Hi all, again :)
1. How can I definetly know, how much of bytes in memory takes some variable (array, string, hash, number) at anytime of running code.
2. How can I check - was variable and it's buffer deleted from memory adter making undef ? So I talking not about deleting hash key, or about undef($SomeReference) - but about operational copyes, which will deletes only after process death, but can still exist within infinite while.
3. How can I get to know - was at "this runtime" any undeleted data, or undeleted runtime object copyes, etc.; i.e. how can I check process variables table.
Want to get some links for documents which describes this at all.
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Re: question 2nd - memory usage, memory leaks, etc.
by Anonymous Monk on Sep 23, 2013 at 22:32 UTC
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Tutorials: Variable Scoping in Perl: the basics,
Coping with Scoping , Mini-Tutorial: Perl's Memory Management,
Lexical scoping like a fox,
Read this if you want to cut your development time in half!,
Closure on Closures , perlref#Circular References,
Memory leaks and circular references,
Circular references and Garbage collection.,
make perl release memory,
about memory management , Re^3: Scope of lexical variables in the main script , Re: What's the weaken here for?,
Devel::Cycle,
Devel::NYTProf,
Devel::Leak Devel::LeakTrace,
WeakRef
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