Server System Variable Reference 709 Name Cmd-Line Option File System Var Var Scope Dynamic performance_schema_events_waits_history_size Yes Yes Yes Global No performance_schema_hosts_size Yes Yes Yes Global No performance_schema_max_cond_classes Yes Yes Yes Global No performance_schema_max_cond_instances Yes Yes Yes Global No performance_schema_max_digest_length Yes Yes Yes Global No performance_schema_max_digest_sample_age Yes Yes Yes Global Yes performance_schema_max_file_classes Yes Yes Yes Global No performance_schema_max_file_handles Yes Yes Yes Global No performance_schema_max_file_instances Yes Yes Yes Global No performance_schema_max_index_stat Yes Yes Yes Global No performance_schema_max_memory_classes Yes Yes Yes Global No performance_schema_max_metadata_locks Yes Yes Yes Global No performance_schema_max_mutex_classes Yes Yes Yes Global No performance_schema_max_mutex_instances Yes Yes Yes Global No performance_schema_max_prepared_statements_instances Yes Yes Yes Global No performance_schema_max_program_instances Yes Yes Yes Global No performance_schema_max_rwlock_classes Yes Yes Yes Global No performance_schema_max_rwlock_instances Yes Yes Yes Global No performance_schema_max_socket_classes Yes Yes Yes Global No performance_schema_max_socket_instances Yes Yes Yes Global No performance_schema_max_sql_text_length Yes Yes Yes Global No performance_schema_max_stage_classes Yes Yes Yes Global No performance_schema_max_statement_classes Yes Yes Yes Global No performance_schema_max_statement_stack Yes Yes Yes Global No performance_schema_max_table_handles Yes Yes Yes Global No performance_schema_max_table_instances Yes Yes Yes Global No performance_schema_max_table_lock_stat Yes Yes Yes Global No performance_schema_max_thread_classes Yes Yes Yes Global No performance_schema_max_thread_instances Yes Yes Yes Global No performance_schema_session_connect_attrs_size Yes Yes Yes Global No performance_schema_setup_actors_size Yes Yes Yes Global No performance_schema_setup_objects_size Yes Yes Yes Global No performance_schema_show_processlist Yes Yes Yes Global Yes performance_schema_users_size Yes Yes Yes Global No persist_only_admin_x509_subject Yes Yes Yes Global No persisted_globals_load Yes Yes Yes Global No pid_file Yes Yes Yes Global No plugin_dir Yes Yes Yes Global No