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Traceroute（或tracert在Windows系統(tǒng)中使用）是一種網(wǎng)絡(luò)診斷工具，用于跟蹤數(shù)據(jù)包在IP網(wǎng)絡(luò)上的路徑。它通過發(fā)送一系列的ICMP（Internet控制報(bào)文協(xié)議）回顯請(qǐng)求報(bào)文到目標(biāo)主機(jī)，并記錄每條路由器的IP地址和相關(guān)數(shù)據(jù)。 Traceroute命令的使用方式如下：在Windows系統(tǒng)中，打開命令提示符（CMD）窗口。在Linux或Mac系統(tǒng)中，打開終端。輸入命令“tracert 目標(biāo)主機(jī)地址”或“traceroute 目標(biāo)主機(jī)地址”。目標(biāo)主機(jī)地址可以是域名或IP地址。例如：tracert www.example.com。按下回車鍵，命令將開始運(yùn)行。它會(huì)發(fā)送一系列的ICMP回顯請(qǐng)求包，并顯示每個(gè)路由器的IP地址和相關(guān)信息。命令將在運(yùn)行完成后生成一個(gè)跟蹤報(bào)告，顯示數(shù)據(jù)包在網(wǎng)絡(luò)上的路徑。報(bào)告中將包含每個(gè)經(jīng)過的路由器的IP地址、延遲（以毫秒為單位）和記錄的躍點(diǎn)數(shù)。如果跟蹤無法完成，命令將顯示相關(guān)錯(cuò)誤信息，例如“請(qǐng)求超時(shí)”或“目標(biāo)主機(jī)不可達(dá)”。 Traceroute命令可以幫助查找網(wǎng)絡(luò)連接中的問題，了解數(shù)據(jù)包在網(wǎng)絡(luò)上的路由路徑，并評(píng)估延遲和丟包情況。通過比較跟蹤報(bào)告，可以分析網(wǎng)絡(luò)連接的穩(wěn)定性和性能，以確定網(wǎng)絡(luò)故障的位置和原因。

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[ DB ] CONNECT:[ UseTime:0.022182s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016500s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9939 LIMIT 1 [ RunTime:0.015002s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.015345s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.015503s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.016060s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9939 LIMIT 1 [ RunTime:0.014952s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=9939 [ RunTime:0.015858s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服務(wù)器/VPS' AND `status` <> -1 LIMIT 1 [ RunTime:0.022310s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海服務(wù)器/VPS' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039634s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海服務(wù)器' AND `status` <> -1 LIMIT 1 [ RunTime:0.022125s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海服務(wù)器' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.037565s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.436701s