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2549f98289
row_merge_file_create_low(): Pass the directory of the temporary file to the PSI_FILE_CALL.
16 lines
604 B
Plaintext
16 lines
604 B
Plaintext
update performance_schema.setup_instruments set enabled='yes';
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update performance_schema.setup_consumers set enabled='yes';
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CREATE TABLE t1 (a serial, b varchar(255)) ENGINE=InnoDB;
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BEGIN;
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COMMIT;
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SET DEBUG_SYNC = 'row_log_apply_before SIGNAL go WAIT_FOR gone';
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ALTER TABLE t1 ADD INDEX(b), ALGORITHM=INPLACE;
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SET DEBUG_SYNC = 'now WAIT_FOR go';
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SELECT DISTINCT object_name FROM performance_schema.events_waits_history_long
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WHERE event_name LIKE '%wait%io%file%innodb%innodb_temp_file%';
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object_name
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tmp/Innodb Merge Temp File
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SET DEBUG_SYNC = 'now SIGNAL gone';
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SET DEBUG_SYNC = 'RESET';
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DROP TABLE t1;
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