Date: Fri, 29 Jul 2016 12:41:17 -0700 From: Ngie Cooper <yaneurabeya@gmail.com> To: Allan Jude <allanjude@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: CURRENT: memory leak? Message-ID: <CAGHfRMANC29M39vU96f8mTSWONskPDDn-x44UY1d0uzo4EaNHw@mail.gmail.com> In-Reply-To: <18fe457f-c99e-8747-8692-e199f356f6d5@freebsd.org> References: <20160729200458.2bb2c6ca.ohartman@zedat.fu-berlin.de> <18fe457f-c99e-8747-8692-e199f356f6d5@freebsd.org>
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On Fri, Jul 29, 2016 at 12:03 PM, Allan Jude <allanjude@freebsd.org> wrote: > On 2016-07-29 14:04, O. Hartmann wrote: >> >> I realise an exorbitant memory usage of FreeBSD CURRENT ( FreeBSD >> 12.0-CURRENT #16 >> r303470: Fri Jul 29 05:58:42 CEST 2016 ). Swap space gets eaten up while >> building >> world/kernel and/or ports very quickly. >> >> I see this phenomenon on different CURRENT systems with different RAM (but >> all ZFS!). No >> box is less than 8 GB RAM: one 8GB, another 16, two 32 GB. An older XEON >> Core2Duo server >> with postgresql 9.5/postgis acting on some OSM data etas up all of its 32 >> GB and >> additional 48GB swap - never seen before with 11-CURRENT. >> >> I didn't investigate the problem so far since I realized this memory >> hunger of 12-CURRENT >> just today on several boxes compiling world, eating up all the memory, >> staring swapping >> and never relax even after hours from the swapped memory. >> >> Is this a known phenomenon or am I seeing something mystique? >> >> Regards, >> >> Oliver >> > > Do you have the output of 'top', the first few lines > > Specifically, is there very high 'Other' usage, on the ZFS ARC line? `vmstat -Hm | sort -rnk 2,3 | head -n 10` might be helpful if the memory used is in kernel space. Thanks, -Ngie
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