Date: Fri, 15 Sep 2017 15:49:56 +0200 From: Jan Beich <jbeich@FreeBSD.org> To: Andrea Venturoli <ml@netfence.it> Cc: freebsd-ports@FreeBSD.org Subject: Re: FireFox memory usage Message-ID: <ingk-gjgb-wny@FreeBSD.org> In-Reply-To: <a891f402-c392-4d2f-fc8d-a397c8d0ab72@netfence.it> (Andrea Venturoli's message of "Fri, 15 Sep 2017 13:35:51 %2B0200") References: <a891f402-c392-4d2f-fc8d-a397c8d0ab72@netfence.it>
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Andrea Venturoli <ml@netfence.it> writes: > Hello. > > I'm on 10.3/amd64 with firefox-esr 52.3.0. > > Since a few days my 4GiB desktop is crawling due to swap usage and > looking at top, I see FireFox using almost 7GiB of RAM (SIZE column), > 2.5 of which are "RES". Check about:memory and Devolper Tools -> Memory for clues. For more advanced debugging (DMD, Refcount tracing) you'd need a custom build. Firefox on FreeBSD is known to consume more memory than on other platforms because it uses system jemalloc rather than mozjemalloc. Mozilla doesn't test memory usage without mozjemalloc. However, porting mozjemalloc has stalled[1] unless someone helps. [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1153683
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