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update node watch

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程序员小墨 2022-10-18 14:42:39 +08:00
parent b2d32c5844
commit c17c3ae5a1
4 changed files with 31 additions and 3 deletions
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20
netease_music/sql/statistic.sql
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@ -1,3 +1,20 @@
INSERT INTO analysis (`key`, `value`) VALUES ('songCount', (SELECT count(*) as count FROM song) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('songWaiting', (SELECT count(DISTINCT song_id) AS count
FROM ( SELECT song_id FROM song_artist_relation UNION SELECT song_id FROM song_album_relation ) t_tmp
WHERE song_id NOT IN ( SELECT song_id FROM song )) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('albumCount', (SELECT count(*) as count FROM album) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('albumWaiting', (SELECT count( DISTINCT album_id ) as count FROM song_album_relation WHERE album_id NOT IN ( SELECT album_id FROM album )) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('artistCount', (SELECT count(*) AS count FROM artist) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('artistWaiting', (SELECT count( DISTINCT artist_id ) as count FROM song_artist_relation WHERE artist_id NOT IN ( SELECT artist_id FROM artist )) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('lyricCount', (SELECT count(*) AS count FROM lyric) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('commentCount', (SELECT count( DISTINCT song_id ) AS count FROM comment) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('commentTotalCount', (SELECT count(*) AS count FROM comment) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('userCount', (SELECT count(*) AS count FROM user) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('songAlbumCount', (SELECT count(*) AS count FROM song_album_relation) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
INSERT INTO analysis (`key`, `value`) VALUES ('songArtistCount', (SELECT count(*) AS count FROM song_artist_relation) ) ON DUPLICATE KEY UPDATE `value` = VALUES(`value`);
-- 查看需要爬取的 song 的分布
SELECT cast( format( t_tmp.song_id / 10000000, 0) * 10000000 as UNSIGNED ) as s, count(*) as count
FROM (
@ -38,6 +55,7 @@ GROUP BY s
ORDER BY s DESC
-- optimize table
optimize table album;
optimize table artist;
@ -50,6 +68,8 @@ optimize table song_album_relation;
optimize table song_artist_relation;
optimize table user;
-- 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
SELECT
table_schema AS '数据库',

9
netease_music/sql/structure.sql
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@ -129,4 +129,11 @@ CREATE TABLE `log` (
`msg` varchar(200) NOT NULL COMMENT '出错信息',
`create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '爬取时间',
KEY `id` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
CREATE TABLE `analysis` (
`key` varchar(255) NOT NULL COMMENT '参数名',
`value` varchar(255) DEFAULT NULL COMMENT '参数值',
`modify_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '最后更新时间',
UNIQUE KEY `key` (`key`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;

3
netease_music/src/index.js
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@ -143,7 +143,8 @@ async function watch() {
promiseList.push(new Promise(async (resolve, reject) => {
// console.log(`query ${sql.name} ...`);
let sqlStartTime = Date.now();
let result = await dbUtils.query(sql.sql, []);
// let result = await dbUtils.query(sql.sql, []);
let result = await dbUtils.query(`SELECT \`value\` as count FROM analysis WHERE \`key\`='${sql.name}'`);
let sqlTimeSpent = Date.now() - sqlStartTime;
sqlsTimeSpent += sqlTimeSpent;
newWatchParam[sql.name] = result[0].count;

2
netease_music/watch.js
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@ -1,4 +1,4 @@
let keepWatching = true;
let keepWatching = false;
if (keepWatching) {
global.useMysqlPool = true;
global.connectionLimit = 15;