{"id":71663,"date":"2020-04-24T13:03:54","date_gmt":"2020-04-24T05:03:54","guid":{"rendered":"http:\/\/4563.org\/?p=71663"},"modified":"2020-04-24T13:03:54","modified_gmt":"2020-04-24T05:03:54","slug":"centos-7%e6%89%8b%e5%8a%a8%e9%85%8d%e7%bd%aebbr","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=71663","title":{"rendered":"CentOS 7\u624b\u52a8\u914d\u7f6eBBR"},"content":{"rendered":"\n

\t\t\t\t\tmicto<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

CentOS 7\u624b\u52a8\u914d\u7f6eBBR<\/h3>\n

\t\t \u672c\u5e16\u6700\u540e\u7531 micto \u4e8e 2020-4-24 13:07 \u7f16\u8f91 <\/p>\n

yc007t \u4e4b\u524d\u53d1\u8fc7\u4e00\u4e2a\u5e16\u5b50\uff0cCentOS 6\/7\u624b\u52a8\u914d\u7f6eBBR\u7684\u8fc7\u7a0b\u3002
\u73b0\u5728\u53d1\u73b0https:\/\/elrepo.org\u7f51\u7ad9\uff0cCentOS 6\u90fd\u6ca1\u6709\u652f\u6301BBR\u7684\u5185\u6838\u4f9b\u4e0b\u8f7d\u4e86\u3002
\u65e7\u5e16\u5b50\u7f16\u8f91\u4e0d\u4e86\u4e86\uff0c\u65b0\u53d1\u4e00\u8d34\u3002<\/p>\n

\u8b66\u544a
\u66f4\u6362\u5185\u6838\u662f\u5371\u9669\u7684\u64cd\u4f5c\uff0c\u5982\u679c\u6709\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\uff0c\u8bb0\u5f97\u5907\u4efd\uff0c\u514d\u5f97\u66f4\u6362\u5185\u6838\u4e4b\u540e\uff0cVPS\u90fd\u5f00\u4e0d\u4e86\u673a\u4e86\u3002<\/p>\n

static\/image\/hrline\/4.gif
\u7b2c\u4e00\u6b65\uff0c\u627e\u6700\u65b0\u652f\u6301BBR\u7684\u5185\u6838\u94fe\u63a5\u3002<\/p>\n

\u8fdb\u5165\u5982\u4e0b\u7f51\u9875\uff0c\u641c\u7d22 kernel-ml \uff0c\u5b83\u4f1a\u66f4\u65b0\u5e76\u63d0\u4f9b\u6700\u65b0\u7684\u4e24\u4e2a\u5185\u6838\u4f9b\u4e0b\u8f7d\u3002
https:\/\/elrepo.org\/linux\/kernel\/el7\/x86_64\/RPMS\/<\/p>\n

https:\/\/i.loli.net\/2020\/04\/24\/Q1RkIax8A5PrdvS.png<\/p>\n

\u53f3\u952e\uff0c\u590d\u5236\u94fe\u63a5\uff0c\u5f97\u5230\u6700\u65b0\u7684\u5185\u6838\u94fe\u63a5\uff0c\u8b6c\u5982\uff1a
https:\/\/elrepo.org\/linux\/kernel\/el7\/x86_64\/RPMS\/kernel-ml-5.6.6-1.el7.elrepo.x86_64.rpm<\/p>\n

static\/image\/hrline\/4.gif<\/p>\n

\u4e0b\u9762\u5f00\u59cb\u66f4\u6362\u5185\u6838<\/p>\n

1\u3001\u67e5\u770b\u9ed8\u8ba4\u5185\u6838
uname -r<\/p>\n

2\u3001\u5b89\u88c5\u65b0\u5185\u6838\uff0c\u4e0b\u9762\u7684\u5185\u6838\u94fe\u63a5\uff0c\u8bf7\u66f4\u6362\u6210\u6211\u4eec\u5728\u4e0a\u9762\u627e\u7740\u7684\u6700\u65b0\u7684\u5185\u6838\u94fe\u63a5\u3002
rpm -ivh https:\/\/elrepo.org\/linux\/kernel\/el7\/x86_64\/RPMS\/kernel-ml-5.6.6-1.el7.elrepo.x86_64.rpm –force<\/p>\n

\u67e5\u8be2\u5b89\u88c5\u7684\u5185\u6838\u5217\u8868\uff0c\u5982\u679c\u770b\u5230 kernel-ml-5.6.6-1.el7.elrepo.x86_64 \uff0c\u8bf4\u660e\u5185\u6838\u5b89\u88c5\u6210\u529f\u4e86\u3002
rpm -qa | grep kernel<\/p>\n

https:\/\/i.loli.net\/2020\/04\/24\/ITjXmkLf4SlsxzZ.png<\/p>\n

3\u3001\u91cd\u65b0\u542f\u52a8
reboot<\/p>\n

4\u3001\u7a0d\u7b49\u4e00\u4f1a\uff0c\u518d\u6b21\u8fde\u4e0a\u53bb\u4e4b\u540e\uff0c\u67e5\u770b\u5185\u6838\u987a\u5e8f
awk -F’ ‘$1=="menuentry " {print $2}’ \/etc\/grub2.cfg
https:\/\/i.loli.net\/2020\/04\/24\/7MHdP23hminSJ4K.png<\/p>\n

\u770b\u4e0b\u9762\u8fd9\u4e00\u884c\u6392\u7b2c\u51e0\uff0c\u5c31\u6211\u7684\u60c5\u51b5\uff0c\u8fd9\u4e00\u4e2a\u5185\u6838\u6392\u5728\u7b2c2\u4f4d\uff0c\u90a3\u4e48\u5c312\u51cf1\u4e3a1\uff08\u56e0\u4e3a\u7d22\u5f15\u503c\u4ece0\u5f00\u59cb\uff09
CentOS Linux (5.6.6-1.el7.elrepo.x86_64) 7 (Core)<\/p>\n

5\u3001\u4fee\u6539\u9ed8\u8ba4\u5185\u6838\uff0c\u4fee\u6539\u4e0b\u9762\u7684\u547d\u4ee4\u4e2d\u76840\uff0c\u5c31\u6211\u7684\u60c5\u51b5\uff0c0\u6539\u4e3a1\uff0c\u7136\u540e\u6267\u884c\u5b83
grub2-set-default 0<\/p>\n

\u7136\u540e\uff0c\u518d\u6b21\u91cd\u65b0\u542f\u52a8
reboot<\/p>\n

6\u3001\u518d\u6b21\u8fde\u4e0a\u53bb\u4e4b\u540e\uff0c\u67e5\u8be2\u9ed8\u8ba4\u5185\u6838\uff0c\u770b\u5230 5.6.6-1.el7.elrepo.x86_64 \uff0c\u8bf4\u660e\u5f53\u524d\u7684\u9ed8\u8ba4\u5185\u6838\u5c31\u662f\u6211\u4eec\u521a\u5b89\u88c5\u7684\u3002
uname -r
https:\/\/i.loli.net\/2020\/04\/24\/SG2RU8VyHtulhik.png<\/p>\n

7\u3001\u4fee\u6539\u914d\u7f6e
echo "net.core.default_qdisc=fq" >> \/etc\/sysctl.conf && echo "net.ipv4.tcp_congestion_control=bbr" >> \/etc\/sysctl.conf
sysctl -p && sysctl net.ipv4.tcp_available_congestion_control<\/p>\n

8\u3001\u67e5\u770bBBR\u751f\u6548\u4e86\u6ca1
lsmod | grep bbr<\/p>\n

\u5982\u679c\u524d\u9762\u51e0\u53e5\u90fd\u6ca1\u62a5\u9519\uff0c\u6700\u540e\u8fd9\u53e5\u8f93\u51fa\u7c7b\u4f3c\u4e0b\u9762\u7684\u4fe1\u606f\uff0c\u5219\u8bf4\u660e\u6210\u529f\u4e86\u3002
https:\/\/i.loli.net\/2020\/04\/24\/MvFAYCoy3IfD1Xp.png \t\t\t\t<\/p>\n

\t\t\t\t\tb66667777<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u611f\u8c22\u5206\u4eab\t\t\t\t<\/p>\n

\t\t\t\t\tddo<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u4e00\u952e\u811a\u672c\u4ed6\u4e0d\u9999\u5417\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\t\t\t\t<\/p>\n

\t\t\t\t\ttir<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u6211\u89c9\u5f97\u4e00\u952e\u811a\u672c\u4ed6\u5f88\u9999\u554a\t\t\t\t<\/p>\n

\t\t\t\t\tmicto<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\tddo \u5927\u4f6c\u6709\u8bdd\u8bf4 : 2020-4-24 13:07
\u4e00\u952e\u811a\u672c\u4ed6\u4e0d\u9999\u5417\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b\u200b …<\/p>\n

yc011t \u5982\u679c\u4e0d\u662f lnmp \u4e4b\u7c7b\u7684\u73af\u5883\u914d\u7f6e\uff0c\u80fd\u4e0d\u7528\u4e00\u952e\u811a\u672c\uff0c\u5c31\u4e0d\u7528\u4e86\u3002\t\t\t\t<\/p>\n

\t\t\t\t\thcyme<\/strong> \t\t\t\t\u5927\u4f6c\u6709\u8bdd\u8bf4 : \t<\/p>\n

<\/h3>\n

\t\t\u6ca1\u4ec0\u4e48\u6548\u679c\uff0c\u4e0d\u4e22\u5305\u6b27\u6d32\u7f8e\u4e1c\u963f\u6839\u5ef7\u4e00\u6837\u770b4k\uff0c\u4e1f\u5305\u5305\u4f60\u5c31\u662fbbc\u4e5f\u4e0d\u884c\t\t\t <\/p>\n","protected":false},"excerpt":{"rendered":"

micto \u5927\u4f6c\u6709\u8bdd\u8bf4 : Cen…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/71663"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=71663"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/71663\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=71663"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=71663"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=71663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}