标签:5.6 max instances classes 内存 MYSQL performance size schema
Mysql5.6.28-log版本,再创建数据库导入大量表以后,重启启动,16G内存几乎占满.
5.6.28 有对应performance_schema 性能监控模块(估计是5.6.28的bug)
5.6.40 performance_schema 模块启用可正常使用
可以尝试通过调整 performance_schema的对应参数来调试
参考 5.6.40的参数修改
performance_schema_accounts_size =100
performance_schema_digests_size =5000
performance_schema_events_stages_history_long_size =1000
performance_schema_events_stages_history_size =10
performance_schema_events_statements_history_long_size =1000
performance_schema_events_statements_history_size =10
performance_schema_events_waits_history_long_size =1000
performance_schema_events_waits_history_size =10
performance_schema_hosts_size =100
performance_schema_max_cond_classes =80
performance_schema_max_cond_instances =1382
performance_schema_max_digest_length =1024
performance_schema_max_file_classes =50
performance_schema_max_file_handles =32768
performance_schema_max_file_instances =2557
performance_schema_max_mutex_classes =200
performance_schema_max_mutex_instances =5755
performance_schema_max_rwlock_classes =40
performance_schema_max_rwlock_instances =3138
performance_schema_max_socket_classes =10
performance_schema_max_socket_instances =230
performance_schema_max_stage_classes =150
performance_schema_max_statement_classes =168
performance_schema_max_table_handles =616
performance_schema_max_table_instances =684
performance_schema_max_thread_classes =50
performance_schema_max_thread_instances =288
performance_schema_session_connect_attrs_size =512
performance_schema_setup_actors_size =100
performance_schema_setup_objects_size =100
performance_schema_users_size =100
如果不使用 可直接关闭
performance_schema=off
关闭后 内存占用极少.
标签:5.6,max,instances,classes,内存,MYSQL,performance,size,schema 来源: https://blog.51cto.com/8026776/2484627
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。