mirror of
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775cba4d0f
- FLUSH GLOBAL STATUS now resets most global_status_vars.
At this stage, this is mainly to be used for testing.
- FLUSH SESSION STATUS added as an alias for FLUSH STATUS.
- FLUSH STATUS does not require any privilege (before required RELOAD).
- FLUSH GLOBAL STATUS requires RELOAD privilege.
- All global status reset moved to FLUSH GLOBAL STATUS.
- Replication semisync status variables are now reset by
FLUSH GLOBAL STATUS.
- In test cases, the only changes are:
- Replace FLUSH STATUS with FLUSH GLOBAL STATUS
- Replace FLUSH STATUS with FLUSH STATUS; FLUSH GLOBAL STATUS.
This was only done in a few tests where the test was using SHOW STATUS
for both local and global variables.
- Uptime_since_flush_status is now always provided, independent if
ENABLED_PROFILING is enabled when compiling MariaDB.
- @@global.Uptime_since_flush_status is reset on FLUSH GLOBAL STATUS
and @@session.Uptime_since_flush_status is reset on FLUSH SESSION STATUS.
- When connected, @@session.Uptime_since_flush_status is set to 0.
201 lines
7.7 KiB
Text
201 lines
7.7 KiB
Text
drop table if exists test.marker;
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create table test.marker(a int);
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update performance_schema.setup_consumers set enabled='NO';
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update performance_schema.setup_instruments set enabled='NO';
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update performance_schema.setup_instruments set enabled='YES'
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where name like "wait/io/table/%";
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truncate table performance_schema.events_waits_history_long;
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flush global status;
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flush tables;
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drop table if exists test.t1;
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drop table if exists test.t2;
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create table test.t1 (a int, v int) engine = MyISAM;
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create table test.t2 (b int, v int) engine = MyISAM;
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create trigger t1_bi before insert on t1
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for each row insert into test.t2 set b = new.a, v = 0;
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create trigger t1_ai after insert on t1
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for each row update test.t2 set v = 1 where b = new.a;
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create trigger t1_bu before update on t1
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for each row update test.t2 set v = 3 where b = old.a;
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create trigger t1_au after update on t1
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for each row update test.t2 set v = 4 where b = new.a;
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create trigger t1_bd before delete on t1
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for each row delete from test.t2 where b = old.a;
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create trigger t1_ad after delete on t1
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for each row insert into test.t2 set b = old.a, v = 99;
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update performance_schema.setup_consumers set enabled = 'YES';
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insert into marker set a = 1;
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insert into t1 set a = 1, v = 10;
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insert into marker set a = 1;
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insert into t1 set a = 2, v = 20;
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insert into marker set a = 1;
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select * from t1;
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a v
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1 10
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2 20
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insert into marker set a = 1;
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select * from t2;
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b v
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1 1
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2 1
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insert into marker set a = 1;
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update t1 set v = v + 100;
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insert into marker set a = 1;
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select * from t1;
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a v
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1 110
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2 120
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insert into marker set a = 1;
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select * from t2;
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b v
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1 4
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2 4
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insert into marker set a = 1;
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delete from t1 where a = 1;
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insert into marker set a = 1;
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select * from t1;
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a v
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2 120
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insert into marker set a = 1;
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select * from t2;
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b v
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1 99
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2 4
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insert into marker set a = 1;
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delete from t1 where a = 2;
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insert into marker set a = 1;
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select * from t1;
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a v
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insert into marker set a = 1;
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select * from t2;
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b v
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1 99
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2 99
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update performance_schema.setup_consumers set enabled='NO';
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select event_name,
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left(source, locate(":", source)) as short_source,
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object_type, object_schema,
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if (locate("#sql-", object_name), "#sql-XXXX", object_name)
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as pretty_name,
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operation, number_of_bytes
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from performance_schema.events_waits_history_long
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where event_name like 'wait/io/table/%'
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and object_schema in ("test")
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order by thread_id, event_id;
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event_name short_source object_type object_schema pretty_name operation number_of_bytes
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 insert 1
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wait/io/table/sql/handler TABLE test t1 insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 insert 1
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wait/io/table/sql/handler TABLE test t1 insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 update 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 delete 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 delete 1
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wait/io/table/sql/handler TABLE test t2 insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 2
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t2 delete 1
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wait/io/table/sql/handler TABLE test t2 fetch 1
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wait/io/table/sql/handler TABLE test t1 delete 1
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wait/io/table/sql/handler TABLE test t2 insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test t1 fetch 1
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wait/io/table/sql/handler TABLE test marker insert 1
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wait/io/table/sql/handler TABLE test t2 fetch 2
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show global 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_index_stat_lost 0
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Performance_schema_locker_lost 0
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Performance_schema_memory_classes_lost 0
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Performance_schema_metadata_lock_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_nested_statement_lost 0
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Performance_schema_prepared_statements_lost 0
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Performance_schema_program_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_table_lock_stat_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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truncate performance_schema.events_waits_history_long;
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flush global status;
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drop table test.t1;
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drop table test.t2;
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update performance_schema.setup_consumers set enabled='NO';
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truncate performance_schema.events_waits_history_long;
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drop table test.marker;
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flush global status;
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update performance_schema.setup_instruments set enabled='YES';
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update performance_schema.setup_consumers set enabled='YES';
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