Date: Wed, 05 May 2010 09:14:00 +0800 (CST) From: "Cheng-Lin Yang" <yuwen@exodus.cs.ccu.edu.tw> To: "erich" <erich@fuujingroup.com> Cc: freebsd-fs <freebsd-fs@freebsd.org>, lab <lab@cs.ccu.edu.tw> Subject: Re: Struggling on NFS problem Message-ID: <1273022040.28218.yuwen@exodus.cs.ccu.edu.tw> In-Reply-To: <4BDFE843.7050600@fuujingroup.com> References: <1272960060.34062.yuwen@exodus.cs.ccu.edu.tw> <4BDFE843.7050600@fuujingroup.com>
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Hi=20Erich, Here=20is=20the=20detail=20information: 1.=20The=20RAM=20on=20machine=20is:=20hw.physmem:=204278906880=20 2.=20My=20RAIDZ=20config $=20zpool=20status=20csdata =20=20pool:=20csdata =20state:=20ONLINE =20scrub:=20none=20requested config: =09NAME=20=20=20=20=20=20=20=20STATE=20=20=20=20=20READ=20WRITE=20CKSUM =09csdata=20=20=20=20=20=20ONLINE=20=20=20=20=20=20=200=20=20=20=20=200=20=20= =20=20=200 =09=20=20da0=20=20=20=20=20=20=20ONLINE=20=20=20=20=20=20=200=20=20=20=20=20= 0=20=20=20=20=200 errors:=20No=20known=20data=20errors 3.=20I=20do=20not=20have=20a=20separate=20ZIL=20device=20like=20a=20solid=20= state=20drive 4.=20uname=20-a FreeBSD=20cs1.cs.ccu.edu.tw=208.0-RELEASE=20FreeBSD=208.0-RELEASE=20#0:=20Sa= t=20Nov=2021=2015:02:08=20UTC=202009=20=20=20=20=20root@mason.cse.buffalo.ed= u:/usr/obj/usr/src/sys/GENERIC=20=20amd64 Also,=20the=20detail=20dmesg=20output=20can=20be=20found=20here:=20http://ww= w.cs.ccu.edu.tw/~hsp97m/dmesg.txt I'm=20looking=20forward=20to=20have=20your=20suggestions.=20Thank=20you=20:)= Regards, Cheng-Lin=20Yang -----Original=20message----- From:Erich=20Jenkins,=20Fuujin=20Group=20Ltd=20<erich@fuujingroup.com> To:yuwen@exodus.cs.ccu.edu.tw Cc:freebsd-fs=20<freebsd-fs@freebsd.org>,lab=20<lab@cs.ccu.edu.tw> Date:Tue,=2004=20May=202010=2003:26:27=20-0600 Subject:Re:=20Struggling=20on=20NFS=20problem Cheng-Lin=20Yang=20wrote: >=20Dear=20all, >=20Currently,=20we=20have=20a=20NFS=20server=20which=20runs=20FreeBSD8=20wi= th=20ZFS=20and=20few=20workstations=20as=20NFS=20client=20(2=20*=20FreeBSD8=20= amd64=20+=201=20*=20FreeBSD7.2=20i386=20+=202=20*=20Fedora=20+=20Debian).=20= We=20spotted=20that=20NFS=20performs=20weirdly=20on=20FreeBSD=20clients,=20w= hich=20will=20significantly=20slow=20down=20the=20system=20response.=20The=20= only=20solution=20to=20it=20is=20to=20reboot=20the=20clients=20(Linux=20clie= nt=20runs=20smoothly).=20So=20we=20try=20to=20use=20"nfsstat=20-c"=20on=20Fr= eeBSD=20client=20to=20dig=20into=20the=20problem=20and=20found=20strange=20r= esult=20(http://pastebin.com/K71qpEDG)=20: >=20csie0[~]#=20nfsstat=20-c >=20Client=20Info: >=20Rpc=20Counts: >=20=20=20Getattr=20=20=20Setattr=20=20=20=20Lookup=20=20Readlink=20=20=20=20= =20=20Read=20=20=20=20=20Write=20=20=20=20Create=20=20=20=20Remove >=20=20=203595047=20=20=20=20=2075100=20=20=201089213=20=20=20=20=20=201095=20= =20=201258311=20=2048664374=20=20=20=20104346=20=20=20=20116376 >=20=20=20=20Rename=20=20=20=20=20=20Link=20=20=20Symlink=20=20=20=20=20Mkdi= r=20=20=20=20=20Rmdir=20=20=20Readdir=20=20RdirPlus=20=20=20=20Access >=20=20=20=20=2017621=20=20=20=20=20=201644=20=20=20=20=20=20=20=2077=20=20=20= =20=2019569=20=20=20=20=20=209459=20=20=20=20=2045177=20=20=20=20=20=20=20=20= =200=20=20=20=20323665 >=20=20=20=20=20Mknod=20=20=20=20Fsstat=20=20=20=20Fsinfo=20=20PathConf=20=20= =20=20Commit >=20=20=20=20=20=20=20=20=200=20=20=20=20111262=20=20=20=20=20=20=20=20=203=20= =20=20=20=20=20=20=20=200=20=20=20=20590876 >=20Rpc=20Info: >=20=20TimedOut=20=20=20Invalid=20X=20Replies=20=20=20Retries=20=20Requests >=20=20=20=20=20=20=20=20=200=20=20=20=20=20=20=20=20=200=20=20=20=20=20=20=20= =20=200=20=20=20=20=20=20=20=20=200=20=2056022746 >=20Cache=20Info: >=20Attr=20Hits=20=20=20=20Misses=20Lkup=20Hits=20=20=20=20Misses=20BioR=20H= its=20=20=20=20Misses=20BioW=20Hits=20=20=20=20Misses >=20198414412=20=20=203595052=20112100649=20=20=201088903=20=2062793893=20=20= =201253320=20=20-1008715=20=2048664379 >=20BioRLHits=20=20=20=20Misses=20BioD=20Hits=20=20=20=20Misses=20DirE=20Hit= s=20=20=20=20Misses >=20=20=20=20=20=203751=20=20=20=20=20=201095=20=20=20=20204326=20=20=20=20=20= 45191=20=20=20=20109194=20=20=20=20=20=20=20=20=208 >=20 >=20As=20you=20can=20see,=20the=20value=20of=20"BioW=20Hits"=20is=20a=20nega= tive=20number.=20Shouldn't=20it=20be=20equal=20or=20larger=20than=20zero?=20= We=20have=20totally=20no=20idea=20on=20this=20issue.=20Please=20kindly=20hel= p=20us=20on=20investigating=20the=20problem.=20Any=20suggestion=20is=20extre= mely=20welcomed.=20Thank=20you. >=20 >=20Regards, >=20George >=20_______________________________________________ >=20freebsd-fs@freebsd.org=20mailing=20list >=20http://lists.freebsd.org/mailman/listinfo/freebsd-fs >=20To=20unsubscribe,=20send=20any=20mail=20to=20"freebsd-fs-unsubscribe@fre= ebsd.org" Cheng-Lin Could=20you=20provide=20a=20bit=20more=20info=20about=20your=20system=20and=20= setup?=20How=20much RAM,=20what=20type=20of=20raidz=20config?=20Do=20you=20have=20a=20separate=20= ZIL=20device=20like=20a solid=20state=20drive?=20Often,=20you'll=20experience=20severe=20NFS=20perfo= rmance degradation=20when=20using=20raidz=20and=20nfs=20if=20the=20zil=20logs=20are= =20on=20the=20same drives=20as=20the=20raidz=20volume. Erich=20M.=20Jenkins Fuujin=20Group=20Limited "You=20should=20never,=20never=20doubt=20what=20no=20one=20is=20sure=20about= ." --=20Gene=20Wilder ---------------------------------- Cheng-Lin=20Yang Sun=20Certified=20Java=20Programmer High=20Speed=20Network=20Group=20Lab=20(HSNG) Institute=20of=20Computer=20Science=20&=20Info.=20Engineering, National=20Chung=20Cheng=20Univerisity,=20Taiwan E-mail:=20yuwen@exodus.cs.ccu.edu.tw
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