Date: Tue, 04 Oct 2011 15:43:06 +0200 From: Maurizio Vairani <maurizio.vairani@cloverinformatica.it> To: freebsd-fs@freebsd.org Subject: Re: is TMPFS still highly experimental? Message-ID: <4E8B0D6A.7090009@cloverinformatica.it> In-Reply-To: <20111003120027.E4FF51065746@hub.freebsd.org> References: <20111003120027.E4FF51065746@hub.freebsd.org>
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On 03/10/2011 14.00, Attila Nagy wrote: > For me, the bug is still here: > $ uname -a > FreeBSD b 8.2-STABLE FreeBSD 8.2-STABLE #5: Wed Sep 14 15:01:25 CEST > 2011 root@buildervm:/data/usr/obj/data/usr/src/sys/BOOTCLNT amd64 > $ df -h /tmp > Filesystem Size Used Avail Capacity Mounted on > tmpfs 0B 0B 0B 100% /tmp > > I have no swap configured. The machine has 64 GB RAM. > vm.kmem_size=60G; vfs.zfs.arc_max=55G; vfs.zfs.arc_min=20G I had the same problem with 8G of swap and 16G of RAM. After adding 20G of swap space, TMPFS works, at least from yesterday. [ssh@clover-nas ~]$ swapinfo -h Device 1K-blocks Used Avail Capacity /dev/zvol/pool500gb/swap 20971520 7.0M 20G 0% /dev/gpt/SWAP-BIS 4194304 4.7M 4.0G 0% /dev/gpt/SWAP 4194304 4.7M 4.0G 0% Total 29360128 16M 28G 0% [ssh@clover-nas ~]$ Why TMPFS reports only 15G of free memory when there are more than 28G free (RAM + swap) ? [ssh@clover-nas ~]$ df -h /tmp Filesystem Size Used Avail Capacity Mounted on tmpfs 15G 12K 15G 0% /tmp [ssh@clover-nas ~]$ top -b last pid: 10895; load averages: 0.27, 0.26, 0.22 up 26+02:28:18 15:03:37 112 processes: 1 running, 110 sleeping, 1 zombie Mem: 19M Active, 262M Inact, 15G Wired, 66M Buf, 679M Free Swap: 28G Total, 16M Used, 28G Free Maurizio P.S. FreeBSD 8.2-RELEASE-p3.
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