\u8f6c\u81ea\uff1ahttp:\/\/www.linuxsky.org\/doc\/network\/200709\/130.html<\/p>\n
1.\u8bbe\u7f6e\u5757\u5927\u5c0f<\/p>\n
mount\u547d\u4ee4\u7684risize\u548cwsize\u6307\u5b9a\u4e86server\u7aef\u548cclient\u7aef\u7684\u4f20\u8f93\u7684\u5757\u5927\u5c0f\u3002<\/p>\n
mount -t nfs -o rsize=8192,wsize=8192,timeo=14,intr client:\/partition \/partition<\/p>\n
\u5982\u679c\u672a\u6307\u5b9a\uff0c\u7cfb\u7edf\u6839\u636enfs version\u6765\u8bbe\u7f6e\u7f3a\u7701\u7684risize\u548cwsize\u5927\u5c0f\u3002\u5927\u591a\u6570\u60c5\u51b5\u662f4K\u5bf9\u4e8enfs v2\uff0c\u6700\u5927\u662f8K\uff0c\u5bf9\u4e8ev3\uff0c\u901a\u8fc7server\u7aefkernel\u8bbe\u7f6erisize\u548cwsize\u7684\u9650\u5236<\/p>\n
vi \/usr\/src\/linux2.4.22\/include\/linux<\/span>\/nfsd\/const.h \u6240\u6709\u76842.4\u7684\u7684client\u90fd\u652f\u6301\u6700\u592732K\u7684\u4f20\u8f93\u5757\u3002\u7cfb\u7edf\u7f3a\u7701\u7684\u5757\u53ef\u80fd\u4f1a\u592a\u5927\u6216\u8005\u592a\u5c0f\uff0c\u8fd9\u4e3b\u8981\u53d6\u51b3\u4e8e\u4f60\u7684kernel\u548c\u4f60\u7684\u7f51\u5361\uff0c\u592a\u5927\u6216\u8005\u592a\u5c0f\u90fd\u6709\u53ef\u80fd\u5bfc\u81f4nfs\u901f\u5ea6\u5f88\u6162\u3002 \uff03time dd if=\/dev\/zero of=\/testfs\/testfile bs=8k count=1024\u3000\u3000\u6d4b\u8bd5nfs\u5199 \u6d4b\u8bd5\u65f6\u6587\u4ef6\u7684\u5927\u5c0f\u81f3\u5c11\u662f\u7cfb\u7edfRAM\u7684\u4e24\u500d\uff0c\u6bcf\u6b21\u6d4b\u8bd5\u90fd\u4f7f\u7528umount \u548cmount\u5bf9\/testfs\u8fdb\u884c\u6302\u8f7d\uff0c\u901a\u8fc7\u6bd4\u8f83\u4e0d\u540c\u7684\u5757\u5927\u5c0f\uff0c\u5f97\u5230\u4f18\u5316\u7684\u5757\u5927\u5c0f\u3002<\/p>\n 2.\u7f51\u7edc\u4f20\u8f93\u5305\u7684\u5927\u5c0f #tracepath node1\/\u7aef\u53e3<\/span>\u53f7 \u6bd4\u8f83\u7f51\u5361\u7684mtu\u548c\u521a\u521a\u7684pmtu\uff0c\u4f7f\u7528#ifconfig eth0 mtu \u7ec4\uff0c\u8fd9\u662f\u8981\u6d88\u8017client\u7aef\u7684cpu\u8d44\u6e90\u3002\u6b64\u5916\uff0c\u5305\u91cd\u7ec4\u53ef\u80fd\u5bfc\u81f4\u7f51\u7edc\u7684\u4e0d\u53ef\u4fe1\u548c\u4e22\u5305\uff0c\u4efb\u4f55\u7684\u4e22\u5305\u90fd\u4f1a\u662f\u7684rpc\u8bf7\u6c42\u91cd\u65b0\u4f20\u8f93\uff0crpc\u8bf7\u6c42\u7684\u91cd\u4f20\u6709\u4f1a\u5bfc\u81f4 \/proc\/sys\/net\/ipv4\/ipfrag_high_thresh \u4e86\u89e3\u7cfb\u7edf\u53ef\u4ee5\u5904\u7406\u7684\u5305\u7684\u6570\u76ee\uff0c\u5982\u679c\u7f51\u7edc\u5305\u5230\u8fbe\u4e86ipfrag_high_thresh\uff0c\u90a3\u4e48\u7cfb\u7edf\u5c31\u4f1a\u5f00\u59cb\u4e22\u5305\uff0c\u76f4\u5230\u5305\u7684\u6570\u76ee\u5230\u8fbeipfrag_low_thresh\u3002<\/p>\n 3.nfs\u6302\u8f7d\u7684\u4f18\u5316 4.nfsd\u7684\u4e2a\u6570 #vi \/etc\/init.d\/nfs<\/p>\n \u627e\u5230RPCNFSDCOUNT,\u4fee\u6539\u8be5\u503c\uff0c\u4e00\u822c\u548cclient\u7aef\u6570\u76ee\u4e00\u81f4\u3002<\/p>\n #service nfs restart 5.nfsd\u7684\u961f\u5217\u957f\u5ea6 \/proc\/sys\/net\/core\/rwmem_default \u961f\u5217\u7684\u957f\u5ea6\u6700\u597d\u662f\u6bcf\u4e00\u4e2anfsd\u67098k\u7684\u5927\u5c0f\u3002\u8fd9\u6837\uff0cserver\u7aef\u5c31\u53ef\u4ee5\u5bf9client\u7684\u8bf7\u6c42\u4f5c\u6392\u961f\u5904\u7406\u3002\u5982\u679c\u8981\u6c38\u4e45\u66f4\u6539\u6b64\u503c<\/p>\n #vi \/etc\/sysctl.conf \u8f6c\u81ea\uff1ahttp:\/\/www.linuxsky.org\/doc\/network\/200709\/130.html […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[50],"_links":{"self":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts\/71001"}],"collection":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=71001"}],"version-history":[{"count":0,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=\/wp\/v2\/posts\/71001\/revisions"}],"wp:attachment":[{"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=71001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=71001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pangwenxin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=71001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u4fee\u6539\u5e38\u91cf: NFSSVC_MAXBLKSIZE<\/p>\n
\u5177\u4f53\u7684\u53ef\u4ee5\u4f7f\u7528Bonnie\uff0cBonnie++\uff0ciozone\u7b49benchmark\u6765\u6d4b\u8bd5\u4e0d\u540crisize\u548cwsize\u4e0bnfs\u7684\u901f\u5ea6\u3002\u5f53\u7136\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528dd\u6765\u6d4b\u8bd5\u3002<\/p>\n
\uff03time dd if=\/testfs\/testfile of=\/dev\/null bs=8k\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u6d4b\u8bd5nfs\u8bfb<\/p>\n
\n \u7f51\u7edc\u5728\u5305\u4f20\u8f93\u8fc7\u7a0b\uff0c\u5bf9\u5305\u8981\u8fdb\u884c\u5206\u7ec4\uff0c\u8fc7\u5927\u6216\u8005\u8fc7\u5c0f\u90fd\u4e0d\u80fd\u5f88\u597d\u7684\u5229\u7528\u7f51\u7edc\u7684\u5e26\u5bbd\uff0c\u6240\u4ee5\u5bf9\u7f51\u7edc\u8981\u8fdb\u884c\u6d4b\u8bd5\u548c\u8c03\u4f18\u3002\u53ef\u4ee5\u4f7f\u7528ping -s 2048 -f
\nhostname\u8fdb\u884cping\uff0c\u5c1d\u8bd5\u4e0d\u540c\u7684package size\uff0c\u8fd9\u6837\u53ef\u4ee5\u770b\u5230\u5305\u7684\u4e22\u5931\u60c5\u51b5\u3002\u540c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528nfsstat -o net
\n\u6d4b\u8bd5nfs\u4f7f\u7528udp\u4f20\u8f93\u65f6\u4e22\u5305\u7684\u591a\u5c11\u3002\u56e0\u4e3a\u7edf\u8ba1\u4e0d\u80fd\u6e05\u96f6\uff0c\u6240\u4ee5\u8981\u5148\u8fd0\u884c\u6b64\u547d\u4ee4\u8bb0\u4f4f\u8be5\u503c\uff0c\u7136\u540e\u53ef\u4ee5\u518d\u6b21\u8fd0\u884c\u7edf\u8ba1\u3002\u5982\u679c\uff0c\u7ecf\u8fc7\u4e0a\u9762\u7684\u7edf\u8ba1\u4e22\u5305\u5f88\u591a\u3002\u90a3\u4e48\u53ef\u4ee5
\n \u770b\u770b\u7f51\u7edc\u4f20\u8f93\u5305\u7684\u5927\u5c0f\u3002\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<\/p>\n
#ifconfig eth0<\/p>\n
\n16436\u8bbe\u7f6e\u7f51\u5361\u7684mtu\u548c\u6d4b\u8bd5\u7684\u4e00\u81f4\u3002\u5f53\u7136\u5982\u679crisize\u548cwsize\u6bd4mtu\u7684\u503c\u5927\uff0c\u90a3\u4e48\u7684\u8bdd\uff0cserver\u7aef\u7684\u5305\u4f20\u5230client\u7aef\u5c31\u8981\u8fdb\u884c\u91cd<\/p>\n
\n \u8d85\u65f6\uff0c\u4e25\u91cd\u964d\u4f4enfs\u7684\u6027\u80fd\u3002
\u53ef\u4ee5\u901a\u8fc7\u67e5\u770b<\/p>\n
\/proc\/sys\/net\/ipv4\/ipfrag_low_thresh<\/p>\n
timeo\uff1a\u3000\u3000\u5982\u679c\u8d85\u65f6\uff0c\u5ba2\u6237\u7aef\u7b49\u5f85\u7684\u65f6\u95f4\uff0c\u4ee5\u5341\u5206\u4e4b\u4e00\u79d2\u8ba1\u7b97
retrans\uff1a\u3000\u8d85\u65f6\u5c1d\u8bd5\u7684\u6b21\u6570\u3002
bg\uff1a\u3000\u3000\u3000 \u540e\u53f0\u6302\u8f7d\uff0c\u5f88\u6709\u7528
hard\uff1a\u3000\u3000 \u5982\u679cserver\u7aef\u6ca1\u6709\u54cd\u5e94\uff0c\u90a3\u4e48\u5ba2\u6237\u7aef\u4e00\u76f4\u5c1d\u8bd5\u6302\u8f7d
wsize\uff1a\u3000\u3000\u5199\u5757\u5927\u5c0f
rsize\uff1a\u3000\u3000\u8bfb\u5757\u5927\u5c0f
intr\uff1a\u3000\u3000 \u53ef\u4ee5\u4e2d\u65ad\u4e0d\u6210\u529f\u7684\u6302\u8f7d
noatime\uff1a\u3000\u4e0d\u66f4\u65b0\u6587\u4ef6\u7684inode\u8bbf\u95ee\u65f6\u95f4\uff0c\u53ef\u4ee5\u63d0\u9ad8\u901f\u5ea6
async\uff1a\u3000\u3000\u5f02\u6b65\u8bfb\u5199<\/p>\n
\u7f3a\u7701\u7684\u7cfb\u7edf\u5728\u542f\u52a8\u65f6\uff0c\u67098\u4e2anfsd\u8fdb\u7a0b
#ps -efl|grep nfsd
\u901a\u8fc7\u67e5\u770b\/proc\/net\/rpc\/nfsd\u6587\u4ef6\u7684th\u884c\uff0c\u7b2c\u4e00\u4e2a\u662fnfsd\u7684\u4e2a\u6570\uff0c\u540e\u5341\u4e2a\u662f\u7ebf\u7a0b\u662f\u7528\u7684\u65f6\u95f4\u6570\uff0c\u7b2c\u4e8c\u4e2a\u5230\u7b2c\u56db\u4e2a\u503c\u5982\u679c\u5f88\u5927\uff0c\u90a3\u4e48\u5c31\u9700\u8981\u589e\u52a0nfsd\u7684\u4e2a\u6570\u3002
\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n
#mount -a<\/p>\n
\u5bf9\u4e8e8\u4e2anfsd\u8fdb\u7a0b\uff0c\u7cfb\u7edf\u7684nfsd\u961f\u5217\u957f\u5ea6\u662f64k\u5927\u5c0f\uff0c\u5982\u679c\u662f\u591a\u4e8e8\u4e2a\uff0c\u5c31\u8981\u76f8\u5e94\u7684\u589e\u52a0\u76f8\u5e94\u7684\u961f\u5217\u5927\u5c0f\uff0c\u5177\u4f53\u7684\u5728<\/p>\n
\/proc\/sys\/net\/core\/wwmem_default
\/proc\/sys\/net\/core\/rmmem_max
\/proc\/sys\/net\/core\/wmmem_max<\/p>\n
net.core.rmmem_default=\u6570\u76ee
net.core.wmmem_default=\u6570\u76ee
net.core.rmmem_max=\u6570\u76ee
net.core.wmmem_max=\u6570\u76ee
#service nfs restart<\/p>\n","protected":false},"excerpt":{"rendered":"