mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
47 lines
1.4 KiB
Text
47 lines
1.4 KiB
Text
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show databases;
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Database
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information_schema
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mtr
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mysql
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performance_schema
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test
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select count(*) from performance_schema.performance_timers;
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count(*)
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5
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select count(*) from performance_schema.setup_consumers;
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count(*)
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12
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select count(*) > 3 from performance_schema.setup_instruments;
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count(*) > 3
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1
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select count(*) from performance_schema.setup_timers;
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count(*)
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4
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show engine PERFORMANCE_SCHEMA status;
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show status like "performance_schema%";
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show status like "performance_schema%";
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Variable_name Value
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Performance_schema_accounts_lost 0
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Performance_schema_cond_classes_lost 0
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Performance_schema_cond_instances_lost 0
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Performance_schema_digest_lost 0
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Performance_schema_file_classes_lost 0
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Performance_schema_file_handles_lost 0
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Performance_schema_file_instances_lost 0
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Performance_schema_hosts_lost 0
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Performance_schema_locker_lost 0
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Performance_schema_mutex_classes_lost 0
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Performance_schema_mutex_instances_lost 0
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Performance_schema_rwlock_classes_lost 0
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Performance_schema_rwlock_instances_lost 0
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Performance_schema_session_connect_attrs_lost 0
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Performance_schema_socket_classes_lost 0
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Performance_schema_socket_instances_lost 0
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Performance_schema_stage_classes_lost 0
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Performance_schema_statement_classes_lost 0
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Performance_schema_table_handles_lost 0
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Performance_schema_table_instances_lost 0
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Performance_schema_thread_classes_lost 0
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Performance_schema_thread_instances_lost 0
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Performance_schema_users_lost 0
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