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头条搜索Bytespider基本流程

1、打开头条搜索页面https://www.toutiao.com/search/ 2、输入关键词Bytespider 3、查看搜索结果，点击相关文章进入查看 4、对文章有点停留时间，提高效果 5、点击浏览其它文章，以此类推，不断完成搜索

Public @ 2023-03-04 05:00:08

搜索引擎抓取系统概述（二）

在上一篇文章中，我们了解了搜索引擎抓取系统的基本组成和流程。本篇文章继续介绍搜索引擎抓取系统中的重要概念和技术。 1. 爬虫算法搜索引擎抓取系统中最核心的算法就是爬虫算法。爬虫算法是指搜索引擎的爬虫程序根据一定的策略从互联网上抓取网页信息的过程。作为搜索引擎的核心技术之一，爬虫算法需要具备以下特点：（1）高效性：爬虫算法需要尽可能快地抓取尽可能多的页面。（2）准确性：爬虫算法需要准确

Public @ 2023-06-21 00:50:40

搜索引擎工作原理

搜索引擎的工作原理大致如下： 1. 网络爬虫（Spider）：搜索引擎会派遣网络爬虫，搜索引擎爬虫通过扫描互联网上的网页，并收集这些网页的信息，包括标题、关键词、描述、网址、内容、超链接等。 2. 索引（Index）：搜索引擎将收集到的网页内容进行分析，提取出其中的关键词，并将这些关键词存入一个大型的索引库中，以便后续快速查询。 3. 检索（Retrieval）：当用户输入查询词时，搜索引擎

Public @ 2023-04-14 20:00:35

头条搜索UA介绍

威海Spider 威海Bytespider
1631

头条搜索UA（User Agent）是指头条搜索爬虫在访问并抓取网站数据时，所使用的浏览器标识。多数爬虫在访问网站时，会使用特定的浏览器标识，以便服务器能够识别其为爬虫，并为其提供特定的处理方式。头条搜索爬虫也不例外，其使用的UA是："Mozilla/5.0 (compatible; ToutiaoSpider/2.0; +http://toutiao.com/)"。其中，"Mozilla/5.0

Public @ 2023-06-24 16:50:08

头条搜索Bytespider基本流程

1、打开头条搜索页面https://www.toutiao.com/search/ 2、输入关键词Bytespider 3、查看搜索结果，点击相关文章进入查看 4、对文章有点停留时间，提高效果 5、点击浏览其它文章，以此类推，不断完成搜索

Public @ 2023-03-04 05:00:08

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.029297s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020661s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6246 LIMIT 1 [ RunTime:0.019935s ]
[ 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:0.020294s ]
[ 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:0.020086s ]
[ 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:0.020294s ]
[ 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` = 6246 LIMIT 1 [ RunTime:0.019688s ]
[ 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+2 where id=6246 [ RunTime:0.020492s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海搜索引擎工作原理' AND `status` <> -1 LIMIT 1 [ RunTime:0.026474s ]
[ 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` = '威海搜索引擎工作原理' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039898s ]
[ 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Bytespider' AND `status` <> -1 LIMIT 1 [ RunTime:0.027597s ]
[ 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Bytespider' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.038972s ]
[ 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', ) ]

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