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26.12.1 Performance Schema Table Index
The following table lists each Performance Schema table and provides a short description of each one.
Table 26.1 Performance Schema Tables
Table Name | Description |
---|---|
accounts |
Connection statistics per client account |
clone_progress |
Clone operation progress |
clone_status |
Clone operation status |
cond_instances |
synchronization object instances |
data_lock_waits |
Data lock wait relationships |
data_locks |
Data locks held and requested |
events_errors_summary_by_account_by_error |
Errors per error code and account |
events_errors_summary_by_host_by_error |
Errors per error code and host |
events_errors_summary_by_thread_by_error |
Errors per error code and host |
events_errors_summary_by_user_by_error |
Errors per error code and host |
events_errors_summary_global_by_error |
Errors per error code |
events_stages_current |
Current stage events |
events_stages_history |
Most recent stage events per thread |
events_stages_history_long |
Most recent stage events overall |
events_stages_summary_by_account_by_event_name |
Stage events per account and event name |
events_stages_summary_by_host_by_event_name |
Stage events per host name and event name |
events_stages_summary_by_thread_by_event_name |
Stage waits per thread and event name |
events_stages_summary_by_user_by_event_name |
Stage events per user name and event name |
events_stages_summary_global_by_event_name |
Stage waits per event name |
events_statements_current |
Current statement events |
events_statements_histogram_by_digest |
Statement histograms per schema and digest value |
events_statements_histogram_global |
Statement histogram summarized globally |
events_statements_history |
Most recent statement events per thread |
events_statements_history_long |
Most recent statement events overall |
events_statements_summary_by_account_by_event_name |
Statement events per account and event name |
events_statements_summary_by_digest |
Statement events per schema and digest value |
events_statements_summary_by_host_by_event_name |
Statement events per host name and event name |
events_statements_summary_by_program |
Statement events per stored program |
events_statements_summary_by_thread_by_event_name |
Statement events per thread and event name |
events_statements_summary_by_user_by_event_name |
Statement events per user name and event name |
events_statements_summary_global_by_event_name |
Statement events per event name |
events_transactions_current |
Current transaction events |
events_transactions_history |
Most recent transaction events per thread |
events_transactions_history_long |
Most recent transaction events overall |
events_transactions_summary_by_account_by_event_name |
Transaction events per account and event name |
events_transactions_summary_by_host_by_event_name |
Transaction events per host name and event name |
events_transactions_summary_by_thread_by_event_name |
Transaction events per thread and event name |
events_transactions_summary_by_user_by_event_name |
Transaction events per user name and event name |
events_transactions_summary_global_by_event_name |
Transaction events per event name |
events_waits_current |
Current wait events |
events_waits_history |
Most recent wait events per thread |
events_waits_history_long |
Most recent wait events overall |
events_waits_summary_by_account_by_event_name |
Wait events per account and event name |
events_waits_summary_by_host_by_event_name |
Wait events per host name and event name |
events_waits_summary_by_instance |
Wait events per instance |
events_waits_summary_by_thread_by_event_name |
Wait events per thread and event name |
events_waits_summary_by_user_by_event_name |
Wait events per user name and event name |
events_waits_summary_global_by_event_name |
Wait events per event name |
file_instances |
File instances |
file_summary_by_event_name |
File events per event name |
file_summary_by_instance |
File events per file instance |
global_status |
Global status variables |
global_variables |
Global system variables |
host_cache |
Information from the internal host cache |
hosts |
Connection statistics per client host name |
keyring_keys |
Metadata for keyring keys |
log_status |
Information about server logs for backup purposes |
memory_summary_by_account_by_event_name |
Memory operations per account and event name |
memory_summary_by_host_by_event_name |
Memory operations per host and event name |
memory_summary_by_thread_by_event_name |
Memory operations per thread and event name |
memory_summary_by_user_by_event_name |
Memory operations per user and event name |
memory_summary_global_by_event_name |
Memory operations globally per event name |
metadata_locks |
Metadata locks and lock requests |
mutex_instances |
Mutex synchronization object instances |
objects_summary_global_by_type |
Object summaries |
performance_timers |
Which event timers are available |
persisted_variables |
Contents of mysqld-auto.cnf file |
prepared_statements_instances |
Prepared statement instances and statistics |
replication_applier_configuration |
Configuration parameters for the transaction applier on the slave |
replication_applier_status |
Current status of the transaction applier on the slave |
replication_applier_status_by_coordinator |
SQL or coordinator thread applier status |
replication_applier_status_by_worker |
Worker thread applier status (empty unless slave is multithreaded) |
replication_connection_configuration |
Configuration parameters for connecting to the master |
replication_connection_status |
Current status of the connection to the master |
rwlock_instances |
Lock synchronization object instances |
session_account_connect_attrs |
Connection attributes per for the current session |
session_connect_attrs |
Connection attributes for all sessions |
session_status |
Status variables for current session |
session_variables |
System variables for current session |
setup_actors |
How to initialize monitoring for new foreground threads |
setup_consumers |
Consumers for which event information can be stored |
setup_instruments |
Classes of instrumented objects for which events can be collected |
setup_objects |
Which objects should be monitored |
setup_threads |
Instrumented thread names and attributes |
socket_instances |
Active connection instances |
socket_summary_by_event_name |
Socket waits and I/O per event name |
socket_summary_by_instance |
Socket waits and I/O per instance |
status_by_account |
Session status variables per account |
status_by_host |
Session status variables per host name |
status_by_thread |
Session status variables per session |
status_by_user |
Session status variables per user name |
table_handles |
Table locks and lock requests |
table_io_waits_summary_by_index_usage |
Table I/O waits per index |
table_io_waits_summary_by_table |
Table I/O waits per table |
table_lock_waits_summary_by_table |
Table lock waits per table |
threads |
Information about server threads |
tp_thread_group_state |
Information about thread pool thread group states |
tp_thread_group_stats |
Thread group statistics |
tp_thread_state |
Information about thread pool thread states |
user_defined_functions |
Registered user-defined functions |
user_variables_by_thread |
User-defined variables per thread |
users |
Connection statistics per client user name |
variables_by_thread |
Session system variables per session |
variables_info |
How system variables were most recently set |
Document created the 26/06/2006, last modified the 26/10/2018
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