1.慢查询,死锁
show processlist; :显示正在执行的sql 以及状态。
2.查询表的分区
SELECT
partition_name part, partition_expression expr, partition_description descr, table_rows FROM INFORMATION_SCHEMA.partitions WHERE TABLE_SCHEMA = schema() AND TABLE_NAME='table'; 2.引擎相关
1.select * from information_schema.innodb_trx where TIME_TO_SEC(timediff(now(),trx_started))>60 查询事务执行超过60秒的