On 30/10/2012 15:47, Ian Lepore wrote: > On Tue, 2012-10-30 at 13:46 +0100, Fabian Keil wrote: >> Karl Pielorz <kpielorz_...@tdx.co.uk> wrote: >> >>> Can anyone think of any quick pointers as to why some code originally >>> written under 6.4 amd64 - when re-compiled under 9.0-stable amd64 takes >>> up a *lot* more memory when running? >> >> 6.4 comes with phkmalloc while 9.0 uses jemalloc. Maybe you are >> allocating memory in a way that is less space-efficiently handled by >> jemalloc's default configuration. >> >> Fabian > > jemalloc is certainly the first thing that came to my mind. Does > MALLOC_PRODUCTION need to be defined on a 9.0 system, or is that > something that gets turned on automatically in an official release > build? (I'm always working with non-release stuff so I'm not sure how > that gets handled).
It is turned on by default on -stable, by a commit from release engineers.
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