watchdogd, jemalloc, and mlockall

[Xin Li]

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On 11/3/12 11:38 AM, Ian Lepore wrote:
> In an attempt to un-hijack the thread about memory usage increase 
> between 6.4 and 9.x, I'm starting a new thread here related to my
> recent discovery that watchdogd uses a lot more memory since it
> began using mlockall(2).
> 
> I tried statically linking watchdogd and it made a small difference
> in RSS, presumably because it doesn't wire down all of libc and
> libm.

Speaking for this, the last time I brought this up, someone (can't
remember, I think it was phk@) argued that the shared library would
use only one copy of memory, while statically linked ones would be
duplicated and thus use more memory.  I haven't yet tried to prove or
challenge that, though.

Cheers,

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