MySQL 9.1 Release Notes
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Aborted_clients
Aborted_connects
Acl_cache_items_count
Audit_log_current_size
Audit_log_direct_writes
Audit_log_event_max_drop_size
Audit_log_events
Audit_log_events_filtered
Audit_log_events_lost
Audit_log_events_written
Audit_log_total_size
Audit_log_write_waits
Authentication_ldap_sasl_supported_methods
Binlog_cache_disk_use
Binlog_cache_use
Binlog_stmt_cache_disk_use
Binlog_stmt_cache_use
Bytes_received
Bytes_sent
Caching_sha2_password_rsa_public_key
Com_restart
Com_shutdown
Com_stmt_reprepare
Compression
Compression_algorithm
Compression_level
Connection_control_delay_generated
Connection_errors_accept
Connection_errors_internal
Connection_errors_max_connections
Connection_errors_peer_address
Connection_errors_select
Connection_errors_tcpwrap
Connection_errors_xxx
Connections
Count_hit_query_past_connection_memory_status_limit
Count_hit_query_past_global_connection_memory_status_limit
Count_hit_tmp_table_size
Created_tmp_disk_tables
Created_tmp_tables
- Section 10.4.4, “Internal Temporary Table Use in MySQL”
- Section 35.4.3, “Server Metrics”
- Section 7.1.10, “Server Status Variables”
- Section 7.1.8, “Server System Variables”
- Section 15.7.7.36, “SHOW STATUS Statement”
- Section 29.12.6.1, “The events_statements_current Table”
- Section 7.4.5, “The Slow Query Log”
Current_tls_ca
Current_tls_capath
Current_tls_cert
Current_tls_cipher
Current_tls_ciphersuites
Current_tls_crl
Current_tls_crlpath
Current_tls_key
Current_tls_version
Delayed_errors
Delayed_insert_threads
Delayed_writes
Deprecated_use_i_s_processlist_count
Deprecated_use_i_s_processlist_last_timestamp
Error_log_buffered_bytes
Error_log_buffered_events
Error_log_expired_events
Error_log_latest_write
Firewall_access_denied
Firewall_access_granted
Firewall_access_suspicious
Firewall_cached_entries
Global_connection_memory
Gr_all_consensus_proposals_count
Gr_all_consensus_time_sum
Gr_certification_garbage_collector_count
Gr_certification_garbage_collector_time_sum
Gr_consensus_bytes_received_sum
Gr_consensus_bytes_sent_sum
Gr_control_messages_sent_bytes_sum
Gr_control_messages_sent_count
Gr_control_messages_sent_roundtrip_time_sum
Gr_data_messages_sent_bytes_sum
Gr_data_messages_sent_count
Gr_data_messages_sent_roundtrip_time_sum
Gr_empty_consensus_proposals_count
Gr_extended_consensus_count
Gr_flow_control_throttle_active_count
Gr_flow_control_throttle_count
Gr_flow_control_throttle_last_throttle_timestamp
Gr_flow_control_throttle_time_sum
Gr_last_consensus_end_timestamp
Gr_total_messages_sent_count
Gr_transactions_consistency_after_sync_count
Gr_transactions_consistency_after_sync_time_sum
Gr_transactions_consistency_after_termination_count
Gr_transactions_consistency_after_termination_time_sum
Gr_transactions_consistency_before_begin_count
Gr_transactions_consistency_before_begin_time_sum
Handler_external_lock
Handler_read_first
Handler_read_key
Handler_read_last
Handler_read_next
Handler_read_prev
Handler_read_rnd
Handler_read_rnd_next
Handler_savepoint_rollback
Innodb_buffer_pool_bytes_data
Innodb_buffer_pool_bytes_dirty
Innodb_buffer_pool_dump_status
Innodb_buffer_pool_load_status
Innodb_buffer_pool_pages_data
Innodb_buffer_pool_pages_dirty
Innodb_buffer_pool_pages_flushed
Innodb_buffer_pool_pages_free
Innodb_buffer_pool_pages_latched
Innodb_buffer_pool_pages_misc
Innodb_buffer_pool_pages_total
Innodb_buffer_pool_read_ahead
Innodb_buffer_pool_read_ahead_evicted
Innodb_buffer_pool_read_ahead_rnd
Innodb_buffer_pool_read_requests
Innodb_buffer_pool_reads
Innodb_buffer_pool_resize_status
Innodb_buffer_pool_resize_status_code
Innodb_buffer_pool_resize_status_progress
Innodb_buffer_pool_wait_free
Innodb_buffer_pool_write_requests
Innodb_data_fsyncs
Innodb_data_pending_fsyncs
Innodb_data_pending_reads
Innodb_data_pending_writes
Innodb_data_writes
Innodb_data_written
Innodb_dblwr_pages_written
Innodb_dblwr_writes
Innodb_have_atomic_builtins
Innodb_log_write_requests
Innodb_num_open_files
Innodb_os_log_fsyncs
Innodb_os_log_pending_fsyncs
Innodb_os_log_pending_writes
Innodb_os_log_written
Innodb_pages_created
Innodb_pages_written
Innodb_redo_log_capacity_resized
Innodb_redo_log_checkpoint_lsn
Innodb_redo_log_current_lsn
Innodb_redo_log_enabled
Innodb_redo_log_flushed_to_disk_lsn
Innodb_redo_log_logical_size
Innodb_redo_log_physical_size
Innodb_redo_log_read_only
Innodb_redo_log_resize_status
Innodb_redo_log_uuid
Innodb_row_lock_current_waits
Innodb_row_lock_time
Innodb_row_lock_time_avg
Innodb_row_lock_time_max
Innodb_row_lock_waits
Innodb_rows_deleted
Innodb_rows_inserted
Innodb_rows_updated
Innodb_system_rows_deleted
Innodb_system_rows_inserted
Innodb_system_rows_read
Innodb_system_rows_updated
Innodb_truncated_status_writes
Innodb_undo_tablespaces_active
Innodb_undo_tablespaces_explicit
Innodb_undo_tablespaces_implicit
Innodb_undo_tablespaces_total
Key_blocks_not_flushed
Key_blocks_unused
Key_read_requests
Key_reads
Key_write_requests
Key_writes
Last_query_cost
Last_query_partial_plans
Locked_connects
Max_execution_time_exceeded
Max_execution_time_set
Max_execution_time_set_failed
Max_used_connections
Max_used_connections_time
mecab_charset
mle_heap_status
mle_languages_supported
mle_memory_used
mle_oom_errors
mle_session_resets
mle_sessions
mle_sessions_max
mle_status
mle_stored_functions
mle_stored_procedures
mle_stored_program_bytes_max
mle_stored_program_sql_max
mle_stored_programs
mle_threads
mle_threads_max
Mysqlx_aborted_clients
Mysqlx_address
Mysqlx_bytes_received
Mysqlx_bytes_received_compressed_payload
Mysqlx_bytes_received_uncompressed_frame
Mysqlx_bytes_sent
Mysqlx_bytes_sent_compressed_payload
Mysqlx_bytes_sent_uncompressed_frame
Mysqlx_compression_algorithm
Mysqlx_compression_level
Mysqlx_connection_accept_errors
Mysqlx_connection_errors
Mysqlx_connections_accepted
Mysqlx_connections_closed
Mysqlx_connections_rejected
Mysqlx_crud_create_view
Mysqlx_crud_drop_view
Mysqlx_crud_modify_view
Mysqlx_cursor_close
Mysqlx_cursor_fetch
Mysqlx_errors_unknown_message_type
Mysqlx_expect_close
Mysqlx_messages_sent
Mysqlx_notice_global_sent
Mysqlx_notice_other_sent
Mysqlx_notice_warning_sent
Mysqlx_notified_by_group_replication
Mysqlx_port
Mysqlx_prep_deallocate
Mysqlx_prep_execute
Mysqlx_prep_prepare
Mysqlx_sessions_accepted
Mysqlx_sessions_closed
Mysqlx_sessions_fatal_error
Mysqlx_sessions_killed
Mysqlx_sessions_rejected
Mysqlx_socket
Mysqlx_ssl_accept_renegotiates
Mysqlx_ssl_active
Mysqlx_ssl_cipher
Mysqlx_ssl_cipher_list
Mysqlx_ssl_ctx_verify_depth
Mysqlx_ssl_ctx_verify_mode
Mysqlx_ssl_finished_accepts
Mysqlx_ssl_server_not_after
Mysqlx_ssl_server_not_before
Mysqlx_ssl_verify_depth
Mysqlx_ssl_verify_mode
Mysqlx_ssl_version
Mysqlx_stmt_create_collection
Mysqlx_stmt_create_collection_index
Mysqlx_stmt_disable_notices
Mysqlx_stmt_drop_collection
Mysqlx_stmt_drop_collection_index
Mysqlx_stmt_enable_notices
Mysqlx_stmt_ensure_collection
Mysqlx_stmt_execute_mysqlx
Mysqlx_stmt_execute_sql
Mysqlx_stmt_execute_xplugin
Mysqlx_stmt_get_collection_options
Mysqlx_stmt_kill_client
Mysqlx_stmt_list_clients
Mysqlx_stmt_list_notices
Mysqlx_stmt_list_objects
Mysqlx_stmt_modify_collection_options
Mysqlx_worker_threads
Mysqlx_worker_threads_active
Ndb_api_adaptive_send_deferred_count
Ndb_api_adaptive_send_deferred_count_replica
Ndb_api_adaptive_send_deferred_count_session
Ndb_api_adaptive_send_deferred_count_slave
Ndb_api_adaptive_send_forced_count
Ndb_api_adaptive_send_forced_count_replica
Ndb_api_adaptive_send_forced_count_session
Ndb_api_adaptive_send_forced_count_slave
Ndb_api_adaptive_send_unforced_count
Ndb_api_adaptive_send_unforced_count_replica
Ndb_api_adaptive_send_unforced_count_session
Ndb_api_adaptive_send_unforced_count_slave
Ndb_api_bytes_received_count
Ndb_api_bytes_received_count_replica
Ndb_api_bytes_received_count_session
Ndb_api_bytes_received_count_slave
Ndb_api_bytes_sent_count
Ndb_api_bytes_sent_count_replica
Ndb_api_bytes_sent_count_session
Ndb_api_bytes_sent_count_slave
Ndb_api_event_bytes_count
Ndb_api_event_bytes_count_injector
Ndb_api_event_data_count
Ndb_api_event_data_count_injector
Ndb_api_event_nondata_count
Ndb_api_event_nondata_count_injector
Ndb_api_pk_op_count
Ndb_api_pk_op_count_replica
Ndb_api_pk_op_count_session
Ndb_api_pk_op_count_slave
Ndb_api_pruned_scan_count
Ndb_api_pruned_scan_count_replica
Ndb_api_pruned_scan_count_session
Ndb_api_pruned_scan_count_slave
Ndb_api_range_scan_count
Ndb_api_range_scan_count_replica
Ndb_api_range_scan_count_session
Ndb_api_range_scan_count_slave
Ndb_api_read_row_count
Ndb_api_read_row_count_replica
Ndb_api_read_row_count_session
Ndb_api_read_row_count_slave
Ndb_api_scan_batch_count
Ndb_api_scan_batch_count_replica
Ndb_api_scan_batch_count_session
Ndb_api_scan_batch_count_slave
Ndb_api_table_scan_count
Ndb_api_table_scan_count_replica
Ndb_api_table_scan_count_session
Ndb_api_table_scan_count_slave
Ndb_api_trans_abort_count
Ndb_api_trans_abort_count_replica
Ndb_api_trans_abort_count_session
Ndb_api_trans_abort_count_slave
Ndb_api_trans_close_count
Ndb_api_trans_close_count_replica
Ndb_api_trans_close_count_session
Ndb_api_trans_close_count_slave
Ndb_api_trans_commit_count
Ndb_api_trans_commit_count_replica
Ndb_api_trans_commit_count_session
Ndb_api_trans_commit_count_slave
Ndb_api_trans_local_read_row_count
Ndb_api_trans_local_read_row_count_replica
Ndb_api_trans_local_read_row_count_session
Ndb_api_trans_local_read_row_count_slave
Ndb_api_trans_start_count
Ndb_api_trans_start_count_replica
Ndb_api_trans_start_count_session
Ndb_api_trans_start_count_slave
Ndb_api_uk_op_count
Ndb_api_uk_op_count_replica
Ndb_api_uk_op_count_session
Ndb_api_uk_op_count_slave
Ndb_api_wait_exec_complete_count
Ndb_api_wait_exec_complete_count_replica
Ndb_api_wait_exec_complete_count_session
Ndb_api_wait_exec_complete_count_slave
Ndb_api_wait_meta_request_count
Ndb_api_wait_meta_request_count_replica
Ndb_api_wait_meta_request_count_session
Ndb_api_wait_meta_request_count_slave
Ndb_api_wait_nanos_count
Ndb_api_wait_nanos_count_replica
Ndb_api_wait_nanos_count_session
Ndb_api_wait_nanos_count_slave
Ndb_api_wait_scan_result_count
Ndb_api_wait_scan_result_count_replica
Ndb_api_wait_scan_result_count_session
Ndb_api_wait_scan_result_count_slave
Ndb_cluster_node_id
Ndb_config_from_host
Ndb_config_from_port
Ndb_config_generation
Ndb_conflict_fn_epoch
Ndb_conflict_fn_epoch2
Ndb_conflict_fn_epoch2_trans
Ndb_conflict_fn_epoch_trans
Ndb_conflict_fn_max
Ndb_conflict_fn_max_del_win
Ndb_conflict_fn_max_del_win_ins
Ndb_conflict_fn_max_ins
Ndb_conflict_fn_old
Ndb_conflict_last_conflict_epoch
Ndb_conflict_last_stable_epoch
Ndb_conflict_reflected_op_discard_count
Ndb_conflict_reflected_op_prepare_count
Ndb_conflict_refresh_op_count
Ndb_conflict_trans_conflict_commit_count
Ndb_conflict_trans_detect_iter_count
Ndb_conflict_trans_reject_count
Ndb_conflict_trans_row_conflict_count
Ndb_conflict_trans_row_reject_count
Ndb_epoch_delete_delete_count
Ndb_execute_count
Ndb_last_commit_epoch_server
Ndb_last_commit_epoch_session
Ndb_metadata_detected_count
Ndb_metadata_excluded_count
Ndb_metadata_synced_count
Ndb_number_of_data_nodes
Ndb_pruned_scan_count
Ndb_pushed_queries_defined
Ndb_pushed_queries_dropped
Ndb_pushed_queries_executed
Ndb_pushed_reads
Ndb_replica_max_replicated_epoch
Ndb_scan_count
Ndb_slave_max_replicated_epoch
Ndb_system_name
Ndb_trans_hint_count_session
Not_flushed_delayed_rows
Ongoing_anonymous_gtid_violating_transaction_count
Ongoing_anonymous_transaction_count
Ongoing_automatic_gtid_violating_transaction_count
Open_table_definitions
Opened_table_definitions
Opened_tables
option_tracker.gr_complete_table_received
option_tracker.gr_complete_table_sent
option_tracker.gr_error_received
option_tracker.gr_error_sent
option_tracker.gr_reset_request_received
option_tracker.gr_reset_request_sent
option_tracker.gr_single_row_received
option_tracker.gr_single_row_sent
Performance_schema_accounts_lost
Performance_schema_cond_classes_lost
Performance_schema_cond_instances_lost
Performance_schema_digest_lost
Performance_schema_file_classes_lost
Performance_schema_file_handles_lost
Performance_schema_file_instances_lost
Performance_schema_hosts_lost
Performance_schema_index_stat_lost
Performance_schema_locker_lost
Performance_schema_logger_lost
Performance_schema_memory_classes_lost
Performance_schema_metadata_lock_lost
Performance_schema_meter_lost
Performance_schema_metric_lost
Performance_schema_mutex_classes_lost
Performance_schema_mutex_instances_lost
Performance_schema_nested_statement_lost
Performance_schema_prepared_statements_lost
Performance_schema_program_lost
Performance_schema_rwlock_classes_lost
Performance_schema_rwlock_instances_lost
Performance_schema_session_connect_attrs_longest_seen
Performance_schema_session_connect_attrs_lost
Performance_schema_socket_classes_lost
Performance_schema_socket_instances_lost
Performance_schema_stage_classes_lost
Performance_schema_statement_classes_lost
Performance_schema_table_handles_lost
Performance_schema_table_instances_lost
Performance_schema_table_lock_stat_lost
Performance_schema_thread_classes_lost
Performance_schema_thread_instances_lost
Performance_schema_users_lost
Prepared_stmt_count
Questions
Replica_open_temp_tables
Replica_rows_last_search_algorithm_used
Resource_group_supported
Rewriter_number_loaded_rules
Rewriter_number_reloads
Rewriter_number_rewritten_queries
Rewriter_reload_error
Rpl_semi_sync_master_clients
Rpl_semi_sync_master_net_avg_wait_time
Rpl_semi_sync_master_net_wait_time
Rpl_semi_sync_master_net_waits
Rpl_semi_sync_master_no_times
Rpl_semi_sync_master_no_tx
Rpl_semi_sync_master_status
Rpl_semi_sync_master_timefunc_failures
Rpl_semi_sync_master_tx_avg_wait_time
Rpl_semi_sync_master_tx_wait_time
Rpl_semi_sync_master_tx_waits
Rpl_semi_sync_master_wait_pos_backtraverse
Rpl_semi_sync_master_wait_sessions
Rpl_semi_sync_master_yes_tx
Rpl_semi_sync_replica_status
Rpl_semi_sync_slave_status
Rpl_semi_sync_source_clients
Rpl_semi_sync_source_net_avg_wait_time
Rpl_semi_sync_source_net_wait_time
Rpl_semi_sync_source_net_waits
Rpl_semi_sync_source_no_times
Rpl_semi_sync_source_no_tx
Rpl_semi_sync_source_status
Rpl_semi_sync_source_timefunc_failures
Rpl_semi_sync_source_tx_avg_wait_time
Rpl_semi_sync_source_tx_wait_time
Rpl_semi_sync_source_tx_waits
Rpl_semi_sync_source_wait_pos_backtraverse
Rpl_semi_sync_source_wait_sessions
Rpl_semi_sync_source_yes_tx
Rsa_public_key
Secondary_engine_execution_count
Select_full_join
Select_full_range_join
Select_range
Select_range_check
Select_scan
Slave_open_temp_tables
Slave_rows_last_search_algorithm_used
Slow_launch_threads
Slow_queries
Sort_merge_passes
Sort_range
Sort_rows
Sort_scan
Ssl_accept_renegotiates
Ssl_callback_cache_hits
Ssl_cipher
Ssl_cipher_list
Ssl_client_connects
Ssl_connect_renegotiates
Ssl_ctx_verify_depth
Ssl_ctx_verify_mode
Ssl_default_timeout
Ssl_finished_accepts
Ssl_finished_connects
Ssl_server_not_after
Ssl_server_not_before
Ssl_session_cache_hits
Ssl_session_cache_misses
Ssl_session_cache_mode
Ssl_session_cache_overflows
Ssl_session_cache_size
Ssl_session_cache_timeout
Ssl_session_cache_timeouts
Ssl_sessions_reused
Ssl_used_session_cache_entries
Ssl_verify_depth
Ssl_verify_mode
Ssl_version
Table_locks_immediate
Table_locks_waited
Table_open_cache_hits
Table_open_cache_misses
Table_open_cache_overflows
Table_open_cache_triggers_hits
Table_open_cache_triggers_misses
Table_open_cache_triggers_overflows
Tc_log_max_pages_used
Tc_log_page_size
telemetry.live_sessions
Telemetry_logs_supported
Telemetry_metrics_supported
Telemetry_traces_supported
TempTable_count_hit_max_ram
Threads_cached
Threads_created
Threads_running
Tls_library_version
Tls_sni_server_name
- Section 6.5.1.1, “mysql Client Options”
- Section 6.6.8, “mysql_migrate_keyring — Keyring Key Migration Utility”
- Section 6.4.2, “mysql_secure_installation — Improve MySQL Installation Security”
- Section 6.5.2, “mysqladmin — A MySQL Server Administration Program”
- Section 6.6.9, “mysqlbinlog — Utility for Processing Binary Log Files”
- Section 6.5.3, “mysqlcheck — A Table Maintenance Program”
- Section 6.5.4, “mysqldump — A Database Backup Program”
- Section 6.5.5, “mysqlimport — A Data Import Program”
- Section 6.5.6, “mysqlshow — Display Database, Table, and Column Information”
- Section 6.5.7, “mysqlslap — A Load Emulation Client”
- Section 7.1.10, “Server Status Variables”