Date: Fri, 16 Jan 2015 10:12:25 +0200 From: Mihai Vintila <unixro@gmail.com> To: freebsd-stable@freebsd.org Subject: Re: Poor performance on Intel P3600 NVME driver Message-ID: <54B8C7E9.3030602@gmail.com> In-Reply-To: <20150115175927.GA19071@zxy.spb.ru> References: <54B7F769.40605@gmail.com> <20150115175927.GA19071@zxy.spb.ru>
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I've tried to increase it and obtained around 90k iops for write, but now i only get : nvme0: WRITE sqid:6 cid:125 nsid:1 lba:3907028496 len:16 nvme0: WRITE FAULTS (02/80) sqid:6 cid:125 cdw0:0 nvme0: async event occurred (log page id=0x1) nvme0: WRITE sqid:6 cid:126 nsid:1 lba:528 len:16 nvme0: WRITE FAULTS (02/80) sqid:6 cid:126 cdw0:0 nvme0: async event occurred (log page id=0x1) nvme0: WRITE sqid:6 cid:127 nsid:1 lba:3907027984 len:16 nvme0: WRITE FAULTS (02/80) sqid:6 cid:127 cdw0:0 nvme0: async event occurred (log page id=0x1) Best regards, Vintila Mihai Alexandru On 1/15/2015 7:59 PM, Slawa Olhovchenkov wrote: > 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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