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vlean · Dec 17, 2020 · 9638594 · 9638594
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diff --git a/.gitignore b/.gitignore
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+# Created by .ignore support plugin (hsz.mobi)
+
+vendor
+*/vendor
+.idea
+*.log
+qms
diff --git a/README.md b/README.md
@@ -0,0 +1,47 @@
+
+# 文档整理
+- https://www.cnblogs.com/ivictor/p/5979731.html
+
+interactive_timeout针对交互式连接，wait_timeout针对非交互式连接
+
+- https://blog.csdn.net/idwtwt/article/details/91345364
+- https://blog.csdn.net/dghpgyss/article/details/86480837
+
+mysql防止空闲连接过多，超过了mysql_connection配置之后，会拒绝新连接，
+自动关闭空闲连接超过wait_timeout、使用中连接超过interactive_timeout参数的连接
+
+database/sql库连接池的max_lifetime大于wait_timeout，有可能拿到失效连接，
+建议设置wait_timeout/2
+
+
+- https://github.com/go-sql-driver/mysql/pull/934
+
+go-sql-driver/mysql 1.5版本增加失效连接 读写前检查
+
+
+
+# 测试方案
+
+## mysql配置
+
+mysql 5.7
+max_connections = 5
+wait_timeout = 5
+
+
+## 测试方案
+
+仅修改go-sql-driver/mysql版本和SetConnMaxLifetime值
+
+起5个go协程执行mysql查询，之后sleep 10s，循环执行该操作，观察报错信息
+
+
+ | go-sql-driver/mysql  | SetConnMaxLifetime | 结果|
+ | -- | -- | -- |
+ | 1.4.1 | 20s  | 稳定出现invalid connection |
+ | 1.4.1| 2.5s | 未出现invalid connection; maxLifetimeClosed持续增加 |
+ | 1.5.0 | 20s | 出现报错closing bad idle connection: EOF，但是可以正常查询 |
+
+- 并发原因
+
+- 触发wait_timeout
diff --git a/mysql/data/auto.cnf b/mysql/data/auto.cnf
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+[auto]
+server-uuid=6c6ff47e-402d-11eb-9477-0242ac120002
diff --git a/mysql/data/ca-key.pem b/mysql/data/ca-key.pem
diff --git a/mysql/data/ca.pem b/mysql/data/ca.pem
diff --git a/mysql/data/client-cert.pem b/mysql/data/client-cert.pem
diff --git a/mysql/data/client-key.pem b/mysql/data/client-key.pem
diff --git a/mysql/data/ib_buffer_pool b/mysql/data/ib_buffer_pool
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diff --git a/mysql/data/ib_logfile0 b/mysql/data/ib_logfile0
diff --git a/mysql/data/ib_logfile1 b/mysql/data/ib_logfile1
diff --git a/mysql/data/ibdata1 b/mysql/data/ibdata1
diff --git a/mysql/data/ibtmp1 b/mysql/data/ibtmp1
diff --git a/mysql/data/mysql/columns_priv.MYD b/mysql/data/mysql/columns_priv.MYD
diff --git a/mysql/data/mysql/columns_priv.MYI b/mysql/data/mysql/columns_priv.MYI
diff --git a/mysql/data/mysql/columns_priv.frm b/mysql/data/mysql/columns_priv.frm
diff --git a/mysql/data/mysql/db.MYD b/mysql/data/mysql/db.MYD
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+�localhost                                                                                                                                                                           performance_schema                                                                                                                                                                              mysql.session                                                                                   �localhost                                                                                                                                                                           sys                                                                                                                                                                                             mysql.sys                                                                                       
diff --git a/mysql/data/mysql/db.MYI b/mysql/data/mysql/db.MYI
diff --git a/mysql/data/mysql/db.frm b/mysql/data/mysql/db.frm
diff --git a/mysql/data/mysql/db.opt b/mysql/data/mysql/db.opt
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+default-character-set=latin1
+default-collation=latin1_swedish_ci
diff --git a/mysql/data/mysql/engine_cost.frm b/mysql/data/mysql/engine_cost.frm
diff --git a/mysql/data/mysql/engine_cost.ibd b/mysql/data/mysql/engine_cost.ibd
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diff --git a/mysql/data/mysql/event.MYI b/mysql/data/mysql/event.MYI
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diff --git a/mysql/data/mysql/gtid_executed.frm b/mysql/data/mysql/gtid_executed.frm
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diff --git a/mysql/data/mysql/help_category.ibd b/mysql/data/mysql/help_category.ibd
diff --git a/mysql/data/mysql/help_keyword.frm b/mysql/data/mysql/help_keyword.frm
diff --git a/mysql/data/mysql/help_keyword.ibd b/mysql/data/mysql/help_keyword.ibd
diff --git a/mysql/data/mysql/help_relation.frm b/mysql/data/mysql/help_relation.frm
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diff --git a/mysql/data/mysql/help_topic.frm b/mysql/data/mysql/help_topic.frm
diff --git a/mysql/data/mysql/help_topic.ibd b/mysql/data/mysql/help_topic.ibd
diff --git a/mysql/data/mysql/innodb_index_stats.frm b/mysql/data/mysql/innodb_index_stats.frm
diff --git a/mysql/data/mysql/innodb_index_stats.ibd b/mysql/data/mysql/innodb_index_stats.ibd
diff --git a/mysql/data/mysql/innodb_table_stats.frm b/mysql/data/mysql/innodb_table_stats.frm
diff --git a/mysql/data/mysql/innodb_table_stats.ibd b/mysql/data/mysql/innodb_table_stats.ibd
diff --git a/mysql/data/mysql/ndb_binlog_index.MYD b/mysql/data/mysql/ndb_binlog_index.MYD
diff --git a/mysql/data/mysql/ndb_binlog_index.MYI b/mysql/data/mysql/ndb_binlog_index.MYI
diff --git a/mysql/data/mysql/ndb_binlog_index.frm b/mysql/data/mysql/ndb_binlog_index.frm
diff --git a/mysql/data/mysql/plugin.frm b/mysql/data/mysql/plugin.frm
diff --git a/mysql/data/mysql/plugin.ibd b/mysql/data/mysql/plugin.ibd
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diff --git a/mysql/data/mysql/proc.frm b/mysql/data/mysql/proc.frm
diff --git a/mysql/data/mysql/procs_priv.MYD b/mysql/data/mysql/procs_priv.MYD
diff --git a/mysql/data/mysql/procs_priv.MYI b/mysql/data/mysql/procs_priv.MYI
diff --git a/mysql/data/mysql/procs_priv.frm b/mysql/data/mysql/procs_priv.frm
diff --git a/mysql/data/mysql/proxies_priv.MYD b/mysql/data/mysql/proxies_priv.MYD
diff --git a/mysql/data/mysql/proxies_priv.MYI b/mysql/data/mysql/proxies_priv.MYI
diff --git a/mysql/data/mysql/proxies_priv.frm b/mysql/data/mysql/proxies_priv.frm
diff --git a/mysql/data/mysql/server_cost.frm b/mysql/data/mysql/server_cost.frm
diff --git a/mysql/data/mysql/server_cost.ibd b/mysql/data/mysql/server_cost.ibd
diff --git a/mysql/data/mysql/servers.frm b/mysql/data/mysql/servers.frm
diff --git a/mysql/data/mysql/servers.ibd b/mysql/data/mysql/servers.ibd
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diff --git a/mysql/data/mysql/slave_master_info.ibd b/mysql/data/mysql/slave_master_info.ibd
diff --git a/mysql/data/mysql/slave_relay_log_info.frm b/mysql/data/mysql/slave_relay_log_info.frm
diff --git a/mysql/data/mysql/slave_relay_log_info.ibd b/mysql/data/mysql/slave_relay_log_info.ibd
diff --git a/mysql/data/mysql/slave_worker_info.frm b/mysql/data/mysql/slave_worker_info.frm
diff --git a/mysql/data/mysql/slave_worker_info.ibd b/mysql/data/mysql/slave_worker_info.ibd
diff --git a/mysql/data/mysql/slow_log.CSM b/mysql/data/mysql/slow_log.CSM
diff --git a/mysql/data/mysql/slow_log.CSV b/mysql/data/mysql/slow_log.CSV
diff --git a/mysql/data/mysql/slow_log.frm b/mysql/data/mysql/slow_log.frm
diff --git a/mysql/data/mysql/tables_priv.MYD b/mysql/data/mysql/tables_priv.MYD
diff --git a/mysql/data/mysql/tables_priv.MYI b/mysql/data/mysql/tables_priv.MYI
diff --git a/mysql/data/mysql/tables_priv.frm b/mysql/data/mysql/tables_priv.frm
diff --git a/mysql/data/mysql/time_zone.frm b/mysql/data/mysql/time_zone.frm
diff --git a/mysql/data/mysql/time_zone.ibd b/mysql/data/mysql/time_zone.ibd
diff --git a/mysql/data/mysql/time_zone_leap_second.frm b/mysql/data/mysql/time_zone_leap_second.frm
diff --git a/mysql/data/mysql/time_zone_leap_second.ibd b/mysql/data/mysql/time_zone_leap_second.ibd
diff --git a/mysql/data/mysql/time_zone_name.frm b/mysql/data/mysql/time_zone_name.frm
diff --git a/mysql/data/mysql/time_zone_name.ibd b/mysql/data/mysql/time_zone_name.ibd
diff --git a/mysql/data/mysql/time_zone_transition.frm b/mysql/data/mysql/time_zone_transition.frm
diff --git a/mysql/data/mysql/time_zone_transition.ibd b/mysql/data/mysql/time_zone_transition.ibd
diff --git a/mysql/data/mysql/time_zone_transition_type.frm b/mysql/data/mysql/time_zone_transition_type.frm
diff --git a/mysql/data/mysql/time_zone_transition_type.ibd b/mysql/data/mysql/time_zone_transition_type.ibd
diff --git a/mysql/data/mysql/user.MYD b/mysql/data/mysql/user.MYD
diff --git a/mysql/data/mysql/user.MYI b/mysql/data/mysql/user.MYI
diff --git a/mysql/data/mysql/user.frm b/mysql/data/mysql/user.frm
diff --git a/mysql/data/performance_schema/accounts.frm b/mysql/data/performance_schema/accounts.frm
diff --git a/mysql/data/performance_schema/cond_instances.frm b/mysql/data/performance_schema/cond_instances.frm
diff --git a/mysql/data/performance_schema/db.opt b/mysql/data/performance_schema/db.opt
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+default-character-set=utf8
+default-collation=utf8_general_ci
diff --git a/mysql/data/performance_schema/events_stages_current.frm b/mysql/data/performance_schema/events_stages_current.frm
diff --git a/mysql/data/performance_schema/events_stages_history.frm b/mysql/data/performance_schema/events_stages_history.frm
diff --git a/mysql/data/performance_schema/events_stages_history_long.frm b/mysql/data/performance_schema/events_stages_history_long.frm
diff --git a/mysql/data/performance_schema/events_stages_summary_by_account_by_event_name.frm b/mysql/data/performance_schema/events_stages_summary_by_account_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_stages_summary_by_host_by_event_name.frm b/mysql/data/performance_schema/events_stages_summary_by_host_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_stages_summary_by_thread_by_event_name.frm b/mysql/data/performance_schema/events_stages_summary_by_thread_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_stages_summary_by_user_by_event_name.frm b/mysql/data/performance_schema/events_stages_summary_by_user_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_stages_summary_global_by_event_name.frm b/mysql/data/performance_schema/events_stages_summary_global_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_statements_current.frm b/mysql/data/performance_schema/events_statements_current.frm
diff --git a/mysql/data/performance_schema/events_statements_history.frm b/mysql/data/performance_schema/events_statements_history.frm
diff --git a/mysql/data/performance_schema/events_statements_history_long.frm b/mysql/data/performance_schema/events_statements_history_long.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_account_by_event_name.frm b/mysql/data/performance_schema/events_statements_summary_by_account_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_digest.frm b/mysql/data/performance_schema/events_statements_summary_by_digest.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_host_by_event_name.frm b/mysql/data/performance_schema/events_statements_summary_by_host_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_program.frm b/mysql/data/performance_schema/events_statements_summary_by_program.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_thread_by_event_name.frm b/mysql/data/performance_schema/events_statements_summary_by_thread_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_by_user_by_event_name.frm b/mysql/data/performance_schema/events_statements_summary_by_user_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_statements_summary_global_by_event_name.frm b/mysql/data/performance_schema/events_statements_summary_global_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_transactions_current.frm b/mysql/data/performance_schema/events_transactions_current.frm
diff --git a/mysql/data/performance_schema/events_transactions_history.frm b/mysql/data/performance_schema/events_transactions_history.frm
diff --git a/mysql/data/performance_schema/events_transactions_history_long.frm b/mysql/data/performance_schema/events_transactions_history_long.frm
diff --git a/mysql/data/performance_schema/events_transactions_summary_by_account_by_event_name.frm b/mysql/data/performance_schema/events_transactions_summary_by_account_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_transactions_summary_by_host_by_event_name.frm b/mysql/data/performance_schema/events_transactions_summary_by_host_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_transactions_summary_by_thread_by_event_name.frm b/mysql/data/performance_schema/events_transactions_summary_by_thread_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_transactions_summary_by_user_by_event_name.frm b/mysql/data/performance_schema/events_transactions_summary_by_user_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_transactions_summary_global_by_event_name.frm b/mysql/data/performance_schema/events_transactions_summary_global_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_waits_current.frm b/mysql/data/performance_schema/events_waits_current.frm
diff --git a/mysql/data/performance_schema/events_waits_history.frm b/mysql/data/performance_schema/events_waits_history.frm
diff --git a/mysql/data/performance_schema/events_waits_history_long.frm b/mysql/data/performance_schema/events_waits_history_long.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_by_account_by_event_name.frm b/mysql/data/performance_schema/events_waits_summary_by_account_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_by_host_by_event_name.frm b/mysql/data/performance_schema/events_waits_summary_by_host_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_by_instance.frm b/mysql/data/performance_schema/events_waits_summary_by_instance.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_by_thread_by_event_name.frm b/mysql/data/performance_schema/events_waits_summary_by_thread_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_by_user_by_event_name.frm b/mysql/data/performance_schema/events_waits_summary_by_user_by_event_name.frm
diff --git a/mysql/data/performance_schema/events_waits_summary_global_by_event_name.frm b/mysql/data/performance_schema/events_waits_summary_global_by_event_name.frm
diff --git a/mysql/data/performance_schema/file_instances.frm b/mysql/data/performance_schema/file_instances.frm
diff --git a/mysql/data/performance_schema/file_summary_by_event_name.frm b/mysql/data/performance_schema/file_summary_by_event_name.frm
diff --git a/mysql/data/performance_schema/file_summary_by_instance.frm b/mysql/data/performance_schema/file_summary_by_instance.frm
diff --git a/mysql/data/performance_schema/global_status.frm b/mysql/data/performance_schema/global_status.frm
diff --git a/mysql/data/performance_schema/global_variables.frm b/mysql/data/performance_schema/global_variables.frm
diff --git a/mysql/data/performance_schema/host_cache.frm b/mysql/data/performance_schema/host_cache.frm
diff --git a/mysql/data/performance_schema/hosts.frm b/mysql/data/performance_schema/hosts.frm
diff --git a/mysql/data/performance_schema/memory_summary_by_account_by_event_name.frm b/mysql/data/performance_schema/memory_summary_by_account_by_event_name.frm
diff --git a/mysql/data/performance_schema/memory_summary_by_host_by_event_name.frm b/mysql/data/performance_schema/memory_summary_by_host_by_event_name.frm
diff --git a/mysql/data/performance_schema/memory_summary_by_thread_by_event_name.frm b/mysql/data/performance_schema/memory_summary_by_thread_by_event_name.frm
diff --git a/mysql/data/performance_schema/memory_summary_by_user_by_event_name.frm b/mysql/data/performance_schema/memory_summary_by_user_by_event_name.frm
diff --git a/mysql/data/performance_schema/memory_summary_global_by_event_name.frm b/mysql/data/performance_schema/memory_summary_global_by_event_name.frm
diff --git a/mysql/data/performance_schema/metadata_locks.frm b/mysql/data/performance_schema/metadata_locks.frm
diff --git a/mysql/data/performance_schema/mutex_instances.frm b/mysql/data/performance_schema/mutex_instances.frm
diff --git a/mysql/data/performance_schema/objects_summary_global_by_type.frm b/mysql/data/performance_schema/objects_summary_global_by_type.frm
diff --git a/mysql/data/performance_schema/performance_timers.frm b/mysql/data/performance_schema/performance_timers.frm
diff --git a/mysql/data/performance_schema/prepared_statements_instances.frm b/mysql/data/performance_schema/prepared_statements_instances.frm
diff --git a/mysql/data/performance_schema/replication_applier_configuration.frm b/mysql/data/performance_schema/replication_applier_configuration.frm
diff --git a/mysql/data/performance_schema/replication_applier_status.frm b/mysql/data/performance_schema/replication_applier_status.frm
diff --git a/mysql/data/performance_schema/replication_applier_status_by_coordinator.frm b/mysql/data/performance_schema/replication_applier_status_by_coordinator.frm
diff --git a/mysql/data/performance_schema/replication_applier_status_by_worker.frm b/mysql/data/performance_schema/replication_applier_status_by_worker.frm
diff --git a/mysql/data/performance_schema/replication_connection_configuration.frm b/mysql/data/performance_schema/replication_connection_configuration.frm
diff --git a/mysql/data/performance_schema/replication_connection_status.frm b/mysql/data/performance_schema/replication_connection_status.frm
diff --git a/mysql/data/performance_schema/replication_group_member_stats.frm b/mysql/data/performance_schema/replication_group_member_stats.frm
diff --git a/mysql/data/performance_schema/replication_group_members.frm b/mysql/data/performance_schema/replication_group_members.frm
diff --git a/mysql/data/performance_schema/rwlock_instances.frm b/mysql/data/performance_schema/rwlock_instances.frm
diff --git a/mysql/data/performance_schema/session_account_connect_attrs.frm b/mysql/data/performance_schema/session_account_connect_attrs.frm
diff --git a/mysql/data/performance_schema/session_connect_attrs.frm b/mysql/data/performance_schema/session_connect_attrs.frm
diff --git a/mysql/data/performance_schema/session_status.frm b/mysql/data/performance_schema/session_status.frm
diff --git a/mysql/data/performance_schema/session_variables.frm b/mysql/data/performance_schema/session_variables.frm
diff --git a/mysql/data/performance_schema/setup_actors.frm b/mysql/data/performance_schema/setup_actors.frm
diff --git a/mysql/data/performance_schema/setup_consumers.frm b/mysql/data/performance_schema/setup_consumers.frm
diff --git a/mysql/data/performance_schema/setup_instruments.frm b/mysql/data/performance_schema/setup_instruments.frm
diff --git a/mysql/data/performance_schema/setup_objects.frm b/mysql/data/performance_schema/setup_objects.frm
diff --git a/mysql/data/performance_schema/setup_timers.frm b/mysql/data/performance_schema/setup_timers.frm
diff --git a/mysql/data/performance_schema/socket_instances.frm b/mysql/data/performance_schema/socket_instances.frm
diff --git a/mysql/data/performance_schema/socket_summary_by_event_name.frm b/mysql/data/performance_schema/socket_summary_by_event_name.frm
diff --git a/mysql/data/performance_schema/socket_summary_by_instance.frm b/mysql/data/performance_schema/socket_summary_by_instance.frm
diff --git a/mysql/data/performance_schema/status_by_account.frm b/mysql/data/performance_schema/status_by_account.frm
diff --git a/mysql/data/performance_schema/status_by_host.frm b/mysql/data/performance_schema/status_by_host.frm
diff --git a/mysql/data/performance_schema/status_by_thread.frm b/mysql/data/performance_schema/status_by_thread.frm
diff --git a/mysql/data/performance_schema/status_by_user.frm b/mysql/data/performance_schema/status_by_user.frm
diff --git a/mysql/data/performance_schema/table_handles.frm b/mysql/data/performance_schema/table_handles.frm
diff --git a/mysql/data/performance_schema/table_io_waits_summary_by_index_usage.frm b/mysql/data/performance_schema/table_io_waits_summary_by_index_usage.frm
diff --git a/mysql/data/performance_schema/table_io_waits_summary_by_table.frm b/mysql/data/performance_schema/table_io_waits_summary_by_table.frm
diff --git a/mysql/data/performance_schema/table_lock_waits_summary_by_table.frm b/mysql/data/performance_schema/table_lock_waits_summary_by_table.frm
diff --git a/mysql/data/performance_schema/threads.frm b/mysql/data/performance_schema/threads.frm
diff --git a/mysql/data/performance_schema/user_variables_by_thread.frm b/mysql/data/performance_schema/user_variables_by_thread.frm
diff --git a/mysql/data/performance_schema/users.frm b/mysql/data/performance_schema/users.frm
diff --git a/mysql/data/performance_schema/variables_by_thread.frm b/mysql/data/performance_schema/variables_by_thread.frm
diff --git a/mysql/data/private_key.pem b/mysql/data/private_key.pem
diff --git a/mysql/data/public_key.pem b/mysql/data/public_key.pem
diff --git a/mysql/data/server-cert.pem b/mysql/data/server-cert.pem
diff --git a/mysql/data/server-key.pem b/mysql/data/server-key.pem
diff --git a/mysql/data/sys/db.opt b/mysql/data/sys/db.opt
@@ -0,0 +1,2 @@
+default-character-set=utf8
+default-collation=utf8_general_ci
diff --git a/mysql/data/sys/host_summary.frm b/mysql/data/sys/host_summary.frm
@@ -0,0 +1,15 @@
+TYPE=VIEW
+query=select if(isnull(`performance_schema`.`accounts`.`HOST`),\'background\',`performance_schema`.`accounts`.`HOST`) AS `host`,sum(`stmt`.`total`) AS `statements`,`sys`.`format_time`(sum(`stmt`.`total_latency`)) AS `statement_latency`,`sys`.`format_time`(ifnull((sum(`stmt`.`total_latency`) / nullif(sum(`stmt`.`total`),0)),0)) AS `statement_avg_latency`,sum(`stmt`.`full_scans`) AS `table_scans`,sum(`io`.`ios`) AS `file_ios`,`sys`.`format_time`(sum(`io`.`io_latency`)) AS `file_io_latency`,sum(`performance_schema`.`accounts`.`CURRENT_CONNECTIONS`) AS `current_connections`,sum(`performance_schema`.`accounts`.`TOTAL_CONNECTIONS`) AS `total_connections`,count(distinct `performance_schema`.`accounts`.`USER`) AS `unique_users`,`sys`.`format_bytes`(sum(`mem`.`current_allocated`)) AS `current_memory`,`sys`.`format_bytes`(sum(`mem`.`total_allocated`)) AS `total_memory_allocated` from (((`performance_schema`.`accounts` join `sys`.`x$host_summary_by_statement_latency` `stmt` on((`performance_schema`.`accounts`.`HOST` = `stmt`.`host`))) join `sys`.`x$host_summary_by_file_io` `io` on((`performance_schema`.`accounts`.`HOST` = `io`.`host`))) join `sys`.`x$memory_by_host_by_current_bytes` `mem` on((`performance_schema`.`accounts`.`HOST` = `mem`.`host`))) group by if(isnull(`performance_schema`.`accounts`.`HOST`),\'background\',`performance_schema`.`accounts`.`HOST`)
+md5=e079676ec756edbb811a11a2d649f6e4
+updatable=0
+algorithm=1
+definer_user=mysql.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=2020-12-17 06:02:30
+create-version=1
+source=SELECT IF(accounts.host IS NULL, \'background\', accounts.host) AS host, SUM(stmt.total) AS statements, sys.format_time(SUM(stmt.total_latency)) AS statement_latency, sys.format_time(IFNULL(SUM(stmt.total_latency) / NULLIF(SUM(stmt.total), 0), 0)) AS statement_avg_latency, SUM(stmt.full_scans) AS table_scans, SUM(io.ios) AS file_ios, sys.format_time(SUM(io.io_latency)) AS file_io_latency, SUM(accounts.current_connections) AS current_connections, SUM(accounts.total_connections) AS total_connections, COUNT(DISTINCT user) AS unique_users, sys.format_bytes(SUM(mem.current_allocated)) AS current_memory, sys.format_bytes(SUM(mem.total_allocated)) AS total_memory_allocated FROM performance_schema.accounts JOIN sys.x$host_summary_by_statement_latency AS stmt ON accounts.host = stmt.host JOIN sys.x$host_summary_by_file_io AS io ON accounts.host = io.host JOIN sys.x$memory_by_host_by_current_bytes mem ON accounts.host = mem.host GROUP BY IF(accounts.host IS NULL, \'background\', accounts.host)
+client_cs_name=utf8
+connection_cl_name=utf8_general_ci
+view_body_utf8=select if(isnull(`performance_schema`.`accounts`.`HOST`),\'background\',`performance_schema`.`accounts`.`HOST`) AS `host`,sum(`stmt`.`total`) AS `statements`,`sys`.`format_time`(sum(`stmt`.`total_latency`)) AS `statement_latency`,`sys`.`format_time`(ifnull((sum(`stmt`.`total_latency`) / nullif(sum(`stmt`.`total`),0)),0)) AS `statement_avg_latency`,sum(`stmt`.`full_scans`) AS `table_scans`,sum(`io`.`ios`) AS `file_ios`,`sys`.`format_time`(sum(`io`.`io_latency`)) AS `file_io_latency`,sum(`performance_schema`.`accounts`.`CURRENT_CONNECTIONS`) AS `current_connections`,sum(`performance_schema`.`accounts`.`TOTAL_CONNECTIONS`) AS `total_connections`,count(distinct `performance_schema`.`accounts`.`USER`) AS `unique_users`,`sys`.`format_bytes`(sum(`mem`.`current_allocated`)) AS `current_memory`,`sys`.`format_bytes`(sum(`mem`.`total_allocated`)) AS `total_memory_allocated` from (((`performance_schema`.`accounts` join `sys`.`x$host_summary_by_statement_latency` `stmt` on((`performance_schema`.`accounts`.`HOST` = `stmt`.`host`))) join `sys`.`x$host_summary_by_file_io` `io` on((`performance_schema`.`accounts`.`HOST` = `io`.`host`))) join `sys`.`x$memory_by_host_by_current_bytes` `mem` on((`performance_schema`.`accounts`.`HOST` = `mem`.`host`))) group by if(isnull(`performance_schema`.`accounts`.`HOST`),\'background\',`performance_schema`.`accounts`.`HOST`)
diff --git a/mysql/data/sys/host_summary_by_file_io.frm b/mysql/data/sys/host_summary_by_file_io.frm
@@ -0,0 +1,15 @@
+TYPE=VIEW
+query=select if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) AS `host`,sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR`) AS `ios`,`sys`.`format_time`(sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`)) AS `io_latency` from `performance_schema`.`events_waits_summary_by_host_by_event_name` where (`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` like \'wait/io/file/%\') group by if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) order by sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) desc
+md5=53b0d9b1a70d1f81690a79d9d4d8f59c
+updatable=0
+algorithm=1
+definer_user=mysql.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=2020-12-17 06:02:30
+create-version=1
+source=SELECT IF(host IS NULL, \'background\', host) AS host, SUM(count_star) AS ios, sys.format_time(SUM(sum_timer_wait)) AS io_latency  FROM performance_schema.events_waits_summary_by_host_by_event_name WHERE event_name LIKE \'wait/io/file/%\' GROUP BY IF(host IS NULL, \'background\', host) ORDER BY SUM(sum_timer_wait) DESC
+client_cs_name=utf8
+connection_cl_name=utf8_general_ci
+view_body_utf8=select if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) AS `host`,sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR`) AS `ios`,`sys`.`format_time`(sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`)) AS `io_latency` from `performance_schema`.`events_waits_summary_by_host_by_event_name` where (`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` like \'wait/io/file/%\') group by if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) order by sum(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) desc
diff --git a/mysql/data/sys/host_summary_by_file_io_type.frm b/mysql/data/sys/host_summary_by_file_io_type.frm
@@ -0,0 +1,15 @@
+TYPE=VIEW
+query=select if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) AS `host`,`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` AS `event_name`,`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` AS `total`,`sys`.`format_time`(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,`sys`.`format_time`(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`) AS `max_latency` from `performance_schema`.`events_waits_summary_by_host_by_event_name` where ((`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` like \'wait/io/file%\') and (`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` > 0)) order by if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` desc
+md5=58bace9fd830c2b849772ce5d565917e
+updatable=1
+algorithm=2
+definer_user=mysql.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=2020-12-17 06:02:30
+create-version=1
+source=SELECT IF(host IS NULL, \'background\', host) AS host, event_name, count_star AS total, sys.format_time(sum_timer_wait) AS total_latency, sys.format_time(max_timer_wait) AS max_latency FROM performance_schema.events_waits_summary_by_host_by_event_name WHERE event_name LIKE \'wait/io/file%\' AND count_star > 0 ORDER BY IF(host IS NULL, \'background\', host), sum_timer_wait DESC
+client_cs_name=utf8
+connection_cl_name=utf8_general_ci
+view_body_utf8=select if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`) AS `host`,`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` AS `event_name`,`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` AS `total`,`sys`.`format_time`(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,`sys`.`format_time`(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`) AS `max_latency` from `performance_schema`.`events_waits_summary_by_host_by_event_name` where ((`performance_schema`.`events_waits_summary_by_host_by_event_name`.`EVENT_NAME` like \'wait/io/file%\') and (`performance_schema`.`events_waits_summary_by_host_by_event_name`.`COUNT_STAR` > 0)) order by if(isnull(`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_waits_summary_by_host_by_event_name`.`HOST`),`performance_schema`.`events_waits_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` desc
diff --git a/mysql/data/sys/host_summary_by_stages.frm b/mysql/data/sys/host_summary_by_stages.frm
@@ -0,0 +1,15 @@
+TYPE=VIEW
+query=select if(isnull(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`) AS `host`,`performance_schema`.`events_stages_summary_by_host_by_event_name`.`EVENT_NAME` AS `event_name`,`performance_schema`.`events_stages_summary_by_host_by_event_name`.`COUNT_STAR` AS `total`,`sys`.`format_time`(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,`sys`.`format_time`(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`AVG_TIMER_WAIT`) AS `avg_latency` from `performance_schema`.`events_stages_summary_by_host_by_event_name` where (`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` <> 0) order by if(isnull(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` desc
+md5=b6ea9b98daa223ec9e82b8abb20f25f0
+updatable=1
+algorithm=2
+definer_user=mysql.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=2020-12-17 06:02:30
+create-version=1
+source=SELECT IF(host IS NULL, \'background\', host) AS host, event_name, count_star AS total, sys.format_time(sum_timer_wait) AS total_latency,  sys.format_time(avg_timer_wait) AS avg_latency  FROM performance_schema.events_stages_summary_by_host_by_event_name WHERE sum_timer_wait != 0 ORDER BY IF(host IS NULL, \'background\', host), sum_timer_wait DESC
+client_cs_name=utf8
+connection_cl_name=utf8_general_ci
+view_body_utf8=select if(isnull(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`) AS `host`,`performance_schema`.`events_stages_summary_by_host_by_event_name`.`EVENT_NAME` AS `event_name`,`performance_schema`.`events_stages_summary_by_host_by_event_name`.`COUNT_STAR` AS `total`,`sys`.`format_time`(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) AS `total_latency`,`sys`.`format_time`(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`AVG_TIMER_WAIT`) AS `avg_latency` from `performance_schema`.`events_stages_summary_by_host_by_event_name` where (`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` <> 0) order by if(isnull(`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_stages_summary_by_host_by_event_name`.`HOST`),`performance_schema`.`events_stages_summary_by_host_by_event_name`.`SUM_TIMER_WAIT` desc
diff --git a/mysql/data/sys/host_summary_by_statement_latency.frm b/mysql/data/sys/host_summary_by_statement_latency.frm
@@ -0,0 +1,15 @@
+TYPE=VIEW
+query=select if(isnull(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) AS `host`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`COUNT_STAR`) AS `total`,`sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`)) AS `total_latency`,`sys`.`format_time`(max(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`)) AS `max_latency`,`sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_LOCK_TIME`)) AS `lock_latency`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_SENT`) AS `rows_sent`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_EXAMINED`) AS `rows_examined`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_AFFECTED`) AS `rows_affected`,(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_INDEX_USED`) + sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_GOOD_INDEX_USED`)) AS `full_scans` from `performance_schema`.`events_statements_summary_by_host_by_event_name` group by if(isnull(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) order by sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) desc
+md5=61a6f2a6ed0dc94b05f4ed232d72e2b1
+updatable=0
+algorithm=1
+definer_user=mysql.sys
+definer_host=localhost
+suid=0
+with_check_option=0
+timestamp=2020-12-17 06:02:30
+create-version=1
+source=SELECT IF(host IS NULL, \'background\', host) AS host, SUM(count_star) AS total, sys.format_time(SUM(sum_timer_wait)) AS total_latency, sys.format_time(MAX(max_timer_wait)) AS max_latency, sys.format_time(SUM(sum_lock_time)) AS lock_latency, SUM(sum_rows_sent) AS rows_sent, SUM(sum_rows_examined) AS rows_examined, SUM(sum_rows_affected) AS rows_affected, SUM(sum_no_index_used) + SUM(sum_no_good_index_used) AS full_scans FROM performance_schema.events_statements_summary_by_host_by_event_name GROUP BY IF(host IS NULL, \'background\', host) ORDER BY SUM(sum_timer_wait) DESC
+client_cs_name=utf8
+connection_cl_name=utf8_general_ci
+view_body_utf8=select if(isnull(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) AS `host`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`COUNT_STAR`) AS `total`,`sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`)) AS `total_latency`,`sys`.`format_time`(max(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`MAX_TIMER_WAIT`)) AS `max_latency`,`sys`.`format_time`(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_LOCK_TIME`)) AS `lock_latency`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_SENT`) AS `rows_sent`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_EXAMINED`) AS `rows_examined`,sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_ROWS_AFFECTED`) AS `rows_affected`,(sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_INDEX_USED`) + sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_NO_GOOD_INDEX_USED`)) AS `full_scans` from `performance_schema`.`events_statements_summary_by_host_by_event_name` group by if(isnull(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`),\'background\',`performance_schema`.`events_statements_summary_by_host_by_event_name`.`HOST`) order by sum(`performance_schema`.`events_statements_summary_by_host_by_event_name`.`SUM_TIMER_WAIT`) desc
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		[auto]
		server-uuid=6c6ff47e-402d-11eb-9477-0242ac120002
-Original file line number
+Diff line change
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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		�localhost performance_schema mysql.session �localhost sys mysql.sys
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		default-character-set=latin1
		default-collation=latin1_swedish_ci
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		default-character-set=utf8
		default-collation=utf8_general_ci