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slave_list was used to provide data for SHOW SLAVE HOSTS and Slaves_connected status variable. Introduced binlog_dump_thread_count which is exposed via Slaves_connected (replaces slave_list.records). Store Slave_info on THD and access it by iterating server_threads (replaces slave_list). Added: THD::slave_info binlog_dump_thread_count show_slave_hosts_callback() Removed: slave_list SLAVE_LIST_CHUNK SLAVE_ERRMSG_SIZE slave_list_key() slave_info_free() init_slave_list() end_slave_list() all_slave_list_mutexes init_all_slave_list_mutexes() key_LOCK_slave_list LOCK_slave_list Moved: SLAVE_INFO -> Slave_info register_slave() -> THD::register_slave() unregister_slave() -> THD::unregister_slave() Also removed redundant end_slave() from close_connections(): it is called again soon afterwards by clean_up(). Pre-requisite for clean MDEV-18450 solution.
174 lines
4.7 KiB
Plaintext
174 lines
4.7 KiB
Plaintext
use performance_schema;
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_threads";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_malloc";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_open";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_heap";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_net";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/mysys/THR_LOCK_charset";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/mysys/THR_COND_threads";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_thread_count";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_log_throttle_qni";
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count(name)
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0
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_status";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_error_log";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_delayed_insert";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_uuid_generator";
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count(name)
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0
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_delayed_status";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_delayed_create";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_crypt";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_active_mi";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_manager";
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count(name)
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0
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_global_system_variables";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_user_conn";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_prepared_stmt_count";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_connection_count";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_server_started";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/Query_cache::structure_guard_mutex";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_event_queue";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_user_locks";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/Cversion_lock";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_audit_mask";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/LOCK_plugin";
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count(name)
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1
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select count(name) from mutex_instances
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where name like "wait/synch/mutex/sql/tz_LOCK";
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count(name)
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1
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select count(name) from rwlock_instances
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where name like "wait/synch/rwlock/sql/LOCK_grant";
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count(name)
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1
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select count(name) from rwlock_instances
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where name like "wait/synch/rwlock/sql/LOCK_sys_init_connect";
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count(name)
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1
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select count(name) from rwlock_instances
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where name like "wait/synch/rwlock/sql/LOCK_sys_init_slave";
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count(name)
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1
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select count(name) from rwlock_instances
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where name like "wait/synch/rwlock/sql/LOCK_system_variables_hash";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_server_started";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_refresh";
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count(name)
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0
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_thread_count";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_manager";
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count(name)
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0
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_thread_cache";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_flush_thread_cache";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/Query_cache::COND_cache_status_changed";
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count(name)
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1
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select count(name) from cond_instances
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where name like "wait/synch/cond/sql/COND_queue_state";
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count(name)
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1
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