29.12.1 Performance Schema Table Reference

The following table summarizes all available Performance Schema tables. For greater detail, see the individual table descriptions.

Table 29.1 Performance Schema Tables

Table Name	Description	Introduced
accounts	Connection statistics per client account
binary_log_transaction_compression_stats	Binary log transaction compression	8.0.20
clone_progress	Clone operation progress	8.0.17
clone_status	Clone operation status	8.0.17
component_scheduler_tasks	Status of scheduled tasks	8.0.34
cond_instances	Synchronization object instances
data_lock_waits	Data lock wait relationships
data_locks	Data locks held and requested
error_log	Server error log recent entries	8.0.22
events_errors_summary_by_account_by_error	Errors per account and error code
events_errors_summary_by_host_by_error	Errors per host and error code
events_errors_summary_by_thread_by_error	Errors per thread and error code
events_errors_summary_by_user_by_error	Errors per user and error code
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
firewall_group_allowlist	Firewall in-memory data for group profile allowlists	8.0.23
firewall_groups	Firewall in-memory data for group profiles	8.0.23
firewall_membership	Firewall in-memory data for group profile members	8.0.23
global_status	Global status variables
global_variables	Global system variables
host_cache	Information from internal host cache
hosts	Connection statistics per client host name
keyring_component_status	Status information for installed keyring component	8.0.24
keyring_keys	Metadata for keyring keys	8.0.16
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
ndb_sync_excluded_objects	NDB objects which cannot be synchronized	8.0.21
ndb_sync_pending_objects	NDB objects waiting for synchronization	8.0.21
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
processlist	Process list information	8.0.22
replication_applier_configuration	Configuration parameters for replication applier on replica
replication_applier_filters	Channel-specific replication filters on current replica
replication_applier_global_filters	Global replication filters on current replica
replication_applier_status	Current status of replication applier on replica
replication_applier_status_by_coordinator	SQL or coordinator thread applier status
replication_applier_status_by_worker	Worker thread applier status
replication_asynchronous_connection_failover	Source lists for asynchronous connection failover mechanism	8.0.22
replication_asynchronous_connection_failover_managed	Managed source lists for asynchronous connection failover mechanism	8.0.23
replication_connection_configuration	Configuration parameters for connecting to source
replication_connection_status	Current status of connection to source
replication_group_communication_information	Replication group configuration options	8.0.27
replication_group_member_stats	Replication group member statistics
replication_group_members	Replication group member network and status
rwlock_instances	Lock synchronization object instances
session_account_connect_attrs	Connection attributes per for 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
tls_channel_status	TLS status for each connection interface	8.0.21
tp_thread_group_state	Thread pool thread group states	8.0.14
tp_thread_group_stats	Thread pool thread group statistics	8.0.14
tp_thread_state	Thread pool thread information	8.0.14
user_defined_functions	Registered loadable 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