I know nothing about SNMP or Net::SNMP, but I just looked up the get_entries() method and the first thing I read is:

This method performs repeated SNMP get-next-request or get-bulk-request ...

I also notice that there is a [-maxrepetitions  => $max_reps,] optional argument which you aren't using. I don't know how to interpret that, but is there any possibility that you could be gathering a crap load more stuff than you are intending to?

Also, since you are doing this on 100 device concurrently, maybe you would be better off using get_next_request() and fetching the columns 1 at a time? That said, it's not at all clear to me that doing so would reduce the memory usage. It looks like it might accumulate the data internally and retain it until the object is disposed of.


Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"Too many [] have been sedated by an oppressive environment of political correctness and risk aversion."

In reply to Re^5: Massive Perl Memory Leak by BrowserUk
in thread Massive Perl Memory Leak by wagnerc

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.