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49 lines
1.5 KiB
Text
49 lines
1.5 KiB
Text
connect con1, localhost, root, , ;
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connect con2, localhost, root, , ;
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connect con3, localhost, root, , ;
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connection default;
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update performance_schema.setup_instruments set enabled='YES'
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where name like "wait/synch/mutex/mysys/THR_LOCK_myisam";
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drop table if exists test.t1;
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drop table if exists test.t2;
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drop table if exists test.t3;
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truncate table performance_schema.events_waits_history_long;
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show global variables like "thread_handling";
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Variable_name Value
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thread_handling one-thread-per-connection
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connection con1;
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create table test.t1(a int) engine=MYISAM;
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connection con2;
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create table test.t2(a int) engine=MYISAM;
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connection con3;
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create table test.t3(a int) engine=MYISAM;
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connection default;
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execute stmt_dump_events using @tid;
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event_name short_source operation number_of_bytes
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wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
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execute stmt_dump_thread using @tid;
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name
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thread/sql/one_connection
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execute stmt_dump_events using @tid;
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event_name short_source operation number_of_bytes
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wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
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execute stmt_dump_thread using @tid;
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name
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thread/sql/one_connection
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execute stmt_dump_events using @tid;
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event_name short_source operation number_of_bytes
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wait/synch/mutex/mysys/THR_LOCK_myisam lock NULL
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execute stmt_dump_thread using @tid;
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name
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thread/sql/one_connection
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drop table test.t1;
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drop table test.t2;
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drop table test.t3;
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update performance_schema.setup_instruments set enabled='YES';
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connection con1;
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disconnect con1;
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connection con2;
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disconnect con2;
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connection con3;
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disconnect con3;
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connection default;
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