TiDB 实现了兼容 MySQL 的 performance schema 表。
与 MySQL 兼容的表
| 表名 | 描述 |
|---|
events_stages_current | |
events_stages_history | |
events_stages_history_long | |
events_statements_current | |
events_statements_history | |
events_statements_history_long | |
events_statements_summary_by_digest | |
events_transactions_current | |
events_transactions_history | |
events_transactions_history_long | |
global_status | |
prepared_statements_instances | |
session_connect_attrs | 为会话提供连接属性。 |
session_status | |
session_variables | |
setup_actors | |
setup_consumers | |
setup_instruments | |
setup_objects | |
TiDB 中的扩展表
| 表名 | 描述 |
|---|
pd_profile_allocs | |
pd_profile_block | |
pd_profile_cpu | |
pd_profile_goroutines | |
pd_profile_memory | |
pd_profile_mutex | |
tidb_profile_allocs | |
tidb_profile_block | |
tidb_profile_cpu | |
tidb_profile_goroutines | |
tidb_profile_memory | |
tidb_profile_mutex | |
tikv_profile_cpu | |