php-Wordpress视频网站，新帖子发布后有3000个视频停止工作

我有WordPress视频和照片网站，有3000多个视频和帖子。过去几天，当我在发布网站停止工作并查看服务器负载后尝试发布新帖子时，在重新启动SQL server网站live后，负载已达到50多个，没有任何问题。

98652 |   | localhost |   | Query   | 67   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98666 |   | localhost |   | Query   | 67   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98681 |   | localhost |   | Query   | 66   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98718 |   | localhost |   | Query   | 63   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98731 |   | localhost |   | Query   | 61   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98791 |   | localhost |   | Query   | 57   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98827 |   | localhost |   | Query   | 54   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98876 |   | localhost |   | Query   | 49   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98944 |   | localhost |   | Query   | 44   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |
| 98952 |   | localhost |   | Query   | 43   | Sending data             | SELECT p.ID AS 'id', p.post_title AS 'title', p.post_date AS 'date', p.post_author AS 'uid', SUM(v.p | 0.000    |

请帮忙。