计算innodb_buffer_pool使用率
发布时间：2022-03-21 12:57:50 所属栏目：MySql教程 来源：互联网
导读：两种方法： 一、通过show status mysql show status like innodb_buffer_pool_pages_data; +-------------------------------+---------+ | Variable_name | Value | +-------------------------------+---------+ | Innodb_buffer_pool_pages_data | 322636
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两种方法： 一、通过show status mysql> show status like 'innodb_buffer_pool_pages_data'; +-------------------------------+---------+ | Variable_name | Value | +-------------------------------+---------+ | Innodb_buffer_pool_pages_data | 3226366 | +-------------------------------+---------+ 1 row in set (0.00 sec) mysql> show status like 'innodb_buffer_pool_pages_total'; +--------------------------------+---------+ | Variable_name | Value | +--------------------------------+---------+ | Innodb_buffer_pool_pages_total | 3244032 | +--------------------------------+---------+ 1 row in set (0.00 sec) val=innodb_buffer_pool_pages_data/innodb_buffer_pool_pages_total x 100%=3226366/3244032 x 100%=99.46% 二、通过SQL查看 mysql> select * from performance_schema.global_status where variable_name in ('innodb_buffer_pool_pages_data','innodb_buffer_pool_pages_total'); +--------------------------------+----------------+ | VARIABLE_NAME | VARIABLE_VALUE | +--------------------------------+----------------+ | Innodb_buffer_pool_pages_data | 3226437 | | Innodb_buffer_pool_pages_total | 3244032 | +--------------------------------+----------------+ 2 rows in set (0.00 sec) val=innodb_buffer_pool_pages_data/innodb_buffer_pool_pages_total x 100%=3226437/3244032 x 100%= 99.46% （编辑：ASP站长） 【免责声明】本站内容转载自互联网，其相关言论仅代表作者个人观点绝非权威，不代表本站立场。如您发现内容存在版权问题，请提交相关链接至邮箱：bqsm@foxmail.com，我们将及时予以处理。 |
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