Linux core dumps are too large!

Posted by themoondothshine on Stack Overflow See other posts from Stack Overflow or by themoondothshine
Published on 2010-05-04T04:51:37Z Indexed on 2010/05/04 4:58 UTC
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Hey guys,

Recently I've been noticing an increase in the size of the core dumps generated by my application. Initially, they were just around 5MB in size and contained around 5 stack frames, and now I have core dumps of > 2GBs and the information contained within them are no different from the smaller dumps.

Is there any way I can control the size of core dumps generated? Shouldn't they be at least smaller than the application binary itself?

Binaries are compiled in this way:

  • Compiled in release mode with debug symbols (ie, -g compiler option in GCC).
  • Debug symbols are copied onto a
    separate file and stripped from the
    binary.
  • A GNU debug symbols link is added to the binary.

At the beginning of the application, there's a call to setrlimit which sets the core limit to infinity -- Is this the problem?

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