{"id":884,"date":"2017-07-07T22:17:18","date_gmt":"2017-07-07T14:17:18","guid":{"rendered":"https:\/\/www.ipcpu.com\/?p=884"},"modified":"2017-07-07T22:17:18","modified_gmt":"2017-07-07T14:17:18","slug":"linux-network-pps","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2017\/07\/linux-network-pps\/","title":{"rendered":"Linux\u7cfb\u7edf\u4e2d\u7f51\u7edcPPS\u503c\u6d4b\u91cf"},"content":{"rendered":"
<\/div>\n

Linux\u7cfb\u7edf\u4e2d\u7f51\u7edcPPS\u503c\u6d4b\u91cf\u53ca\u5176\u4f18\u5316.md<\/p>\n

\u6982\u8ff0<\/h2>\n

\u7f51\u7edc\u8bbe\u5907\u7684\u8f6c\u53d1\u6027\u80fd\u4ee5\u201c\u5305\u8f6c\u53d1\u6027\u80fd\u201d\u6765\u8868\u793a\uff0c\u5373\u8bbe\u5907\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u80fd\u591f\u5904\u7406\u591a\u5c11\u4e2a\u201c\u5305\u201d\uff0c\u8fd9\u51b3\u5b9a\u4e86\u8bbe\u5907\u8f6c\u53d1\u80fd\u529b\u7684\u5f3a\u5f31\u3002
\n\u5305\u8f6c\u53d1\u6027\u80fd\u6bd4\u8f83\u5e38\u89c1\u7684\u5355\u4f4d\u662f\u201cPPS\u201d\uff0c\u5373Packet Per Second(\u5305\u6bcf\u79d2)\u3002<\/p>\n

\u7ebf\u901f\u8f6c\u53d1<\/h2>\n

\u5982\u679c\u4e00\u4e2a\u7aef\u53e3\uff08\u5305\u62ec\u4ea4\u6362\u673a\u3001\u670d\u52a1\u5668\uff09\u5728\u6ee1\u8d1f\u8f7d\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u5e27\u8fdb\u884c\u65e0\u5dee\u9519\u7684\u8f6c\u53d1\u79f0\u4e3a\u7ebf\u901f\u8f6c\u53d1\u3002<\/p>\n

\u7531\u4ee5\u592a\u7f51\u7684\u8bbe\u8ba1\u89c4\u5219\uff0c\u4ee5\u592a\u7f51\u5e27\u6700\u5c0f64\u5b57\u8282\uff0c\u6839\u636e\u7aef\u53e3\u901f\u5ea6\uff0c\u8ba1\u7b97\u53ef\u4ee5\u5f97\u51fa\u7ebf\u901f\u8f6c\u53d1\u7684PPS\u503c\u3002<\/p>\n


\n<\/p>\n

Linux\u4e0b\u5982\u4f55\u7edf\u8ba1\u51faPPS\u503c<\/h2>\n

\u4f7f\u7528sar\u547d\u4ee4<\/strong><\/p>\n

  1. sar <\/span>-<\/span>n DEV <\/span>5<\/span> <\/span>10000<\/span><\/code><\/li><\/ol><\/pre>\n
    \u7f16\u5199shell\u811a\u672c\u53ef\u4ee5\u83b7\u53d6PPS\u503c<\/strong><\/p>\n
    1. #!\/bin\/bash<\/span><\/code><\/li>
    2. <\/code><\/li>
    3. INTERVAL<\/span>=<\/span>\"10\"<\/span>  <\/span># update interval in seconds<\/span><\/code><\/li>
    4. <\/code><\/li>
    5. <\/code><\/li>
    6. while<\/span> <\/span>true<\/span><\/code><\/li>
    7. do<\/span><\/code><\/li>
    8.         R1<\/span>=<\/span>`cat \/sys\/class\/net\/eth0\/statistics\/rx_packets`<\/span><\/code><\/li>
    9.         T1<\/span>=<\/span>`cat \/sys\/class\/net\/eth0\/statistics\/tx_packets`<\/span><\/code><\/li>
    10.         sleep $INTERVAL<\/span><\/code><\/li>
    11.         R2<\/span>=<\/span>`cat \/sys\/class\/net\/eth0\/statistics\/rx_packets`<\/span><\/code><\/li>
    12.         T2<\/span>=<\/span>`cat \/sys\/class\/net\/eth0\/statistics\/tx_packets`<\/span><\/code><\/li>
    13.         TXPPS<\/span>=<\/span>`expr $T2 - $T1`<\/span><\/code><\/li>
    14.         RXPPS<\/span>=<\/span>`expr $R2 - $R1`<\/span><\/code><\/li>
    15.     <\/span>#<\/span><\/code><\/li>
    16.     TPS<\/span>=<\/span>`expr $TXPPS \/ 10`<\/span><\/code><\/li>
    17.     RPS<\/span>=<\/span>`expr $RXPPS \/ 10`<\/span><\/code><\/li>
    18.         echo <\/span>\"TX: $TPS pps  RX: $RPS pps\"<\/span><\/code><\/li>
    19.         echo <\/span>\"TX: $TPS pps  RX: $RPS pps\"<\/span> <\/span>>><\/span> <\/span>\/tmp\/<\/span>pps<\/span>.<\/span>log<\/span><\/code><\/li>
    20. <\/code><\/li>
    21. done<\/span><\/code><\/li><\/ol><\/pre>\n
      \u5982\u4f55\u6d4b\u8bd5\u7f51\u5361\u6781\u9650PPS\u503c<\/h2>\n
      \u7f51\u7edc\u7684\u5e26\u5bbd\u662f\u6052\u5b9a\u7684\uff0c\u4e3a\u4e86\u83b7\u53d6\u66f4\u591a\u7684PPS\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5305\u51cf\u5230\u6700\u5c0f\uff0c\u7531\u4e8eTCP\u5305\u9700\u8981\u5efa\u7acb\u8fde\u63a5\u800cUDP\u4e0d\u9700\u8981\uff0c\u56e0\u6b64UDP\u5c0f\u5305\u662f\u6d4b\u8bd5PPS\u6781\u9650\u503c\u7684\u6700\u4f73\u9009\u62e9\u3002<\/p>\n
      \u6839\u636eCloudFlare\uff08\u53c2\u8003\u8d44\u65991\uff09\u91cc\u9762\u7684\u63d0\u793a\uff0c\u6211\u4eec\u6839\u636e\u5176\u6e90\u7801\uff0c\u7f16\u8bd1\u4e86udp\u53d1\u5305\u548c\u6536\u5305\u7684\u7a0b\u5e8f\uff0c\u5e76\u5c06\u5176\u8fd0\u884c\u5728\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n
      \u5982\u4e0b\u56fe\uff0c\u6211\u4eec\u4f7f\u7528\u4e863\u53f0\u865a\u62df\u673a\u5ba2\u6237\u7aef\u53d1\u5305\uff0c1\u53f0\u865a\u62df\u673a\u6536\u5305\uff0c\u5176\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n
      <\/p>\n
      10.140.1.22\u4e3a\u63a5\u6536\u7aef\uff0c\u5176\u4f59\u4e3a\u53d1\u9001\u7aef\uff0c\u6839\u636e\u56fe\u4e2d\u663e\u793a\uff0c\u53d1\u9001\u6570\u636e\u91cfPPS\u63a5\u8fd126\u4e07\uff0c\u800c\u63a5\u6536\u7aef\u53ea\u80fd\u63a5\u53d720\u4e07\u5de6\u53f3\u3002<\/p>\n
      \u5b9e\u9645\u6d4b\u8bd5\u4e2d\uff0c\u7cfb\u7edf\u7531\u4e8e\u7f51\u7edcPPS\u8fbe\u5230\u4e86\u6781\u9650\uff0cSSH\u65e0\u6cd5\u767b\u9646\uff0c\u53ef\u4ee5\u767b\u9646\u63a7\u5236\u53f0\u67e5\u770b\u65e5\u5fd7\u3002<\/p>\n
      \u5982\u4f55\u4f18\u5316<\/h2>\n
      \u4e00\u822c\u6765\u8bf4\u865a\u62df\u673a\u5dee\u4e0d\u591a\u80fd\u8fbe\u523015W-20W\u7684PPS\uff0c\u7269\u7406\u673a\u662f100W\u591a\uff0c\u5982\u679c\u4f4e\u4e8e\u5e73\u5747\u6c34\u5e73\uff0c\u9700\u8981\u68c0\u67e5\u548c\u4f18\u5316\u4e0b\u76f8\u5173\u5185\u6838\u7684\u7f51\u7edc\u53c2\u6570\u4e86\u3002<\/p>\n
      \u53c2\u8003\u8d44\u6599<\/h2>\n
      https:\/\/blog.cloudflare.com\/how-to-receive-a-million-packets\/<\/a> 
      \n      http:\/\/www.jianshu.com\/p\/242e9b930240<\/a> 
      \n      https:\/\/kb.juniper.net\/InfoCenter\/index?page=content&id=KB14737<\/a><\/p>\n
      \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » Linux\u7cfb\u7edf\u4e2d\u7f51\u7edcPPS\u503c\u6d4b\u91cf<\/a><\/p>","protected":false},"excerpt":{"rendered":"
      Linux\u7cfb\u7edf\u4e2d\u7f51\u7edcPPS\u503c\u6d4b\u91cf\u53ca\u5176\u4f18\u5316.md \u6982\u8ff0 \u7f51\u7edc\u8bbe\u5907\u7684\u8f6c\u53d1\u6027\u80fd\u4ee5\u201c\u5305\u8f6c\u53d1\u6027\u80fd\u201d\u6765\u8868\u793a\uff0c\u5373\u8bbe\u5907\u5728\u5355\u4f4d\u65f6\u95f4\u5185\u80fd\u591f\u5904\u7406\u591a\u5c11\u4e2a\u201c\u5305\u201d\uff0c\u8fd9\u51b3\u5b9a\u4e86\u8bbe\u5907\u8f6c\u53d1\u80fd\u529b\u7684\u5f3a\u5f31\u3002 \u5305\u8f6c\u53d1\u6027\u80fd\u6bd4\u8f83\u5e38\u89c1\u7684\u5355\u4f4d\u662f\u201cPPS\u201d\uff0c\u5373Packet Per Second(\u5305\u6bcf\u79d2)\u3002 \u7ebf\u901f\u8f6c\u53d1 \u5982\u679c\u4e00\u4e2a\u7aef\u53e3\uff08\u5305\u62ec\u4ea4\u6362\u673a\u3001\u670d\u52a1\u5668\uff09\u5728\u6ee1\u8d1f\u8f7d\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u5e27\u8fdb\u884c\u65e0\u5dee\u9519\u7684\u8f6c\u53d1\u79f0\u4e3a\u7ebf\u901f\u8f6c\u53d1\u3002 \u7531\u4ee5\u592a\u7f51\u7684\u8bbe\u8ba1\u89c4\u5219\uff0c\u4ee5\u592a\u7f51\u5e27\u6700\u5c0f64\u5b57\u8282\uff0c\u6839\u636e\u7aef\u53e3\u901f\u5ea6\uff0c\u8ba1\u7b97\u53ef\u4ee5\u5f97\u51fa\u7ebf\u901f\u8f6c\u53d1\u7684PPS\u503c\u3002 Linux\u4e0b\u5982\u4f55\u7edf\u8ba1\u51faPPS\u503c \u4f7f\u7528sar\u547d\u4ee4 sar -n DEV 5 10000 \u7f16\u5199shell\u811a\u672c\u53ef\u4ee5\u83b7\u53d6PPS\u503c #!\/bin\/bashINTERVAL=”10″ # update interval in secondswhile truedo R1=`cat \/sys\/class\/net\/eth0\/statistics\/rx_packets` T1=`cat \/sys\/class\/net\/eth0\/statistics\/tx_packets` sleep $INTERVAL R2=`cat \/sys\/class\/net\/eth0\/statistics\/rx_packets` T2=`cat \/sys\/class\/net\/eth0\/statistics\/tx_packets` TXPPS=`expr $T2 – $T1` RXPPS=`expr $R2 – $R1` # TPS=`expr $TXPPS \/ 10` RPS=`expr $RXPPS \/ 10` echo “TX: $TPS pps […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[13],"tags":[17,106,133,39],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/884"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=884"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/884\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}