更新 netease_music 脚本
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-- 更新统计数据
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-- songCount 容易超时，有几张表查询时容易发生死锁，所以请在没有爬取时进行统计
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-- 4G: 4294967296 (4 * 1024 * 1024 * 1024) 64M: 67108864
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-- my.ini 配置文件中设置 innodb_buffer_pool_size=4G
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show variables like "%innodb_buffer_pool_size%";
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DELETE FROM analysis WHERE `key` LIKE '%_old';
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UPDATE analysis SET `key`=concat(`key`,'_old'), modify_time=modify_time WHERE `key` NOT LIKE '%_old';
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INSERT INTO analysis (`key`, `value`) VALUES ('songCount', (SELECT count(*) as count FROM song) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('songWaiting', (SELECT count(*) as count FROM wait_fetch_song) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('playlistCount', (SELECT count(*) AS count FROM playlist) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('albumCount', (SELECT count(*) as count FROM album) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('albumWaiting', (SELECT count(*) as count FROM wait_fetch_album) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('artistCount', (SELECT count(*) AS count FROM artist) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('artistWaiting', (SELECT count(*) as count FROM wait_fetch_artist) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('lyricCount', (SELECT count(*) AS count FROM lyric) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('commentCount', (SELECT count( DISTINCT song_id ) AS count FROM comment) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('commentTotalCount', (SELECT count(*) AS count FROM comment) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('userCount', (SELECT count(*) AS count FROM user) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('songPlaylistCount', (SELECT count(*) AS count FROM song_playlist_relation) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('songAlbumCount', (SELECT count(*) AS count FROM song_album_relation) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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INSERT INTO analysis (`key`, `value`) VALUES ('songArtistCount', (SELECT count(*) AS count FROM song_artist_relation) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
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-- 更新后初次全表扫描
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_artist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_album_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_playlist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_lyric (id) SELECT song_id FROM song_artist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_lyric (id) SELECT song_id FROM song_album_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_lyric (id) SELECT song_id FROM song_playlist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_lyric (id) SELECT song_id FROM song WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_comment (id) SELECT song_id FROM song_artist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_comment (id) SELECT song_id FROM song_album_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_comment (id) SELECT song_id FROM song_playlist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_comment (id) SELECT song_id FROM song WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_artist (id) SELECT artist_id FROM song_artist_relation WHERE create_time > '2022-10-28 00:00:00';
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INSERT IGNORE INTO wait_check_album (id) SELECT album_id FROM song_album_relation WHERE create_time > '2022-10-28 00:00:00';
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-- 全量更新
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_artist_relation WHERE song_id NOT IN ( SELECT song_id FROM song );
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_album_relation WHERE song_id NOT IN ( SELECT song_id FROM song );
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INSERT IGNORE INTO wait_check_song (id) SELECT song_id FROM song_playlist_relation WHERE song_id NOT IN ( SELECT song_id FROM song );
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INSERT IGNORE INTO wait_check_lyric (id) SELECT song_id FROM song WHERE song_id NOT IN ( SELECT song_id FROM lyric );
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INSERT IGNORE INTO wait_check_comment (id) SELECT song_id FROM song WHERE song_id NOT IN ( SELECT song_id FROM comment_progress );
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INSERT IGNORE INTO wait_check_artist (id) SELECT artist_id FROM song_artist_relation WHERE artist_id NOT IN ( SELECT artist_id FROM artist );
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INSERT IGNORE INTO wait_check_album (id) SELECT album_id FROM song_album_relation WHERE album_id NOT IN ( SELECT album_id FROM album );
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-- 查看需要爬取的 song 的分布
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SELECT cast( FLOOR( id / 10000000 ) * 10000000 as UNSIGNED ) as s, count(*) as count
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FROM wait_fetch_song
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GROUP BY s
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ORDER BY s DESC;
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-- 查看需要爬取的 album 的分布
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SELECT cast( FLOOR( id / 1000000 ) * 1000000 as UNSIGNED ) as s, count(*) as count
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FROM wait_fetch_album
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GROUP BY s
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ORDER BY s DESC;
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-- 查看需要爬取的 artist 的分布
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SELECT cast( FLOOR(id / 100000 ) * 100000 as UNSIGNED ) as s, count(*) as count
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FROM wait_fetch_artist
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GROUP BY s
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ORDER BY s DESC;
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-- 查看需要爬取的 comment 的分布
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SELECT cast( FLOOR( song_id / 10000000 ) * 10000000 as UNSIGNED ) as s, count(*) as count
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FROM comment_progress
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WHERE current_status != 2
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GROUP BY s
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ORDER BY s DESC;
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-- 查看需要爬取的 lyric 的分布
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SELECT cast( FLOOR( id / 10000000 ) * 10000000 as UNSIGNED ) as s, count(*) as count
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FROM wait_fetch_lyric
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GROUP BY s
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ORDER BY s DESC;
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-- 查看本地已有 song 的分布
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SELECT cast( FLOOR( song_id / 10000000 ) * 10000000 as UNSIGNED ) as s, count(*) as count
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FROM song
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GROUP BY s
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ORDER BY s DESC;
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-- 查看本地已有 user 的分布
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SELECT cast( FLOOR( user_id / 10000000 ) * 10000000 as UNSIGNED ) as s, count(*) as count
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FROM user
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GROUP BY s
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ORDER BY s DESC;
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-- 查看本地已有 album 的分布
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SELECT cast( FLOOR( album_id / 1000000 ) * 1000000 as UNSIGNED ) as s, count(*) as count
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FROM album
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GROUP BY s
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ORDER BY s DESC;
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-- 查看本地已有 artist 的分布
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SELECT cast( FLOOR( artist_id / 2000000 ) * 2000000 as UNSIGNED ) as s, count(*) as count
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FROM artist
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GROUP BY s
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ORDER BY s DESC;
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-- 查看本地已有 playlist 的分布
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SELECT cast( FLOOR( playlist_id / 2000000 ) * 2000000 as UNSIGNED ) as s, count(*) as count
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FROM playlist
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GROUP BY s
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ORDER BY s DESC;
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-- 查询单个数据库里面各个表所占磁盘空间大小包括其索引的大小
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SELECT
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table_schema AS '数据库',
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table_name AS '表名',
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table_rows AS '记录数',
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TRUNCATE (data_length / 1024 / 1024, 2) AS '数据容量(MB)',
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TRUNCATE (index_length / 1024 / 1024, 2) AS '索引容量(MB)',
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TRUNCATE ((data_length + index_length) / 1024 / 1024 / 1024, 2) AS '总容量(GB)'
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FROM
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information_schema.TABLES
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WHERE
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table_schema = 'neteasemusic'
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ORDER BY
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table_rows DESC;
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