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Linux运维网络分析神:tcpdump命令详解!

2026-04-19 07:29:38

Linux运维网络分析神:tcpdump命令详解!

运维高手都在用的tcpdump命令，网络故障排查一网打尽！你是不是遇到过网络不通、延迟高的问题，别担心，用tcpdump一键定位问题！

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请求信息 : 2026-04-21 04:07:59 HTTP/2.0 GET : https://f.mffb.com.cn/a/484479.html
运行时间 : 0.083087s [ 吞吐率：12.04req/s ] 内存消耗：4,845.56kb 文件加载：140
缓存信息 : 0 reads,0 writes
会话信息 : SESSION_ID=ce330387f7721fb0d1f3d91c6b1c319a

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CONNECT:[ UseTime:0.000549s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000781s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000336s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000345s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000506s ]
SELECT * FROM `set` [ RunTime:0.000206s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000600s ]
SELECT * FROM `article` WHERE `id` = 484479 LIMIT 1 [ RunTime:0.000358s ]
UPDATE `article` SET `lasttime` = 1776715679 WHERE `id` = 484479 [ RunTime:0.005601s ]
SELECT * FROM `fenlei` WHERE `id` = 67 LIMIT 1 [ RunTime:0.000243s ]
SELECT * FROM `article` WHERE `id` < 484479 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000613s ]
SELECT * FROM `article` WHERE `id` > 484479 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000430s ]
SELECT * FROM `article` WHERE `id` < 484479 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001602s ]
SELECT * FROM `article` WHERE `id` < 484479 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001057s ]
SELECT * FROM `article` WHERE `id` < 484479 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001310s ]

0.084735s

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