Date: Thu, 15 Jan 2015 20:59:27 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Mihai Vintila <unixro@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Poor performance on Intel P3600 NVME driver Message-ID: <20150115175927.GA19071@zxy.spb.ru> In-Reply-To: <54B7F769.40605@gmail.com> References: <54B7F769.40605@gmail.com>
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On Thu, Jan 15, 2015 at 07:22:49PM +0200, Mihai Vintila wrote: > /etc/sysctl.conf > > net.inet.tcp.fast_finwait2_recycle=1 > net.inet.ip.portrange.randomized=0 > net.inet.ip.portrange.first=1024 > net.inet.ip.portrange.last=65535 > net.inet.tcp.recvbuf_max=16777216 > net.inet.tcp.sendbuf_max=16777216 > net.inet.tcp.recvbuf_inc=65536 > vfs.zfs.vdev.trim_on_init=0 > #close time_wait connections at 2*7500ms > net.inet.tcp.msl=7500 > kern.ipc.somaxconn=4096 > net.inet.icmp.icmplim=2000 > > #zfs > vfs.zfs.txg.timeout=5 > vfs.zfs.prefetch_disable=1 > Any help to bring this device to proper speed will be welcomed. Do you try to increase vfs.zfs.top_maxinflight?
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