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Problem: ======== InnoDB fails to mark the page status as FREED during freeing of an extent of a segment. This behaviour affects scrubbing and doesn't write all zeroes in file even though pages are freed. Solution: ======== InnoDB should mark the page status as FREED before reinitialize the extent descriptor entry.
31 lines
1.2 KiB
Text
31 lines
1.2 KiB
Text
--source include/have_innodb.inc
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--source include/have_sequence.inc
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--source include/have_debug.inc
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SET @save_debug=@@GLOBAL.INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG;
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SET @save_scrub=@@GLOBAL.INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED;
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SET @save_freq=@@GLOBAL.INNODB_PURGE_RSEG_TRUNCATE_FREQUENCY;
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SET GLOBAL INNODB_PURGE_RSEG_TRUNCATE_FREQUENCY=1;
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SET GLOBAL INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED=1;
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SET GLOBAL INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=2;
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let $MYSQLD_DATADIR=`select @@datadir`;
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CREATE TABLE t1(f1 INT AUTO_INCREMENT PRIMARY KEY,
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f2 VARCHAR(256) GENERATED ALWAYS as('repairman'),
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INDEX idx(f2))ENGINE= InnoDB;
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INSERT INTO t1(f1) SELECT seq FROM seq_1_to_50;
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FLUSH TABLE t1 FOR EXPORT;
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let SEARCH_PATTERN= repairman;
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let SEARCH_FILE= $MYSQLD_DATADIR/test/t1.ibd;
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-- source include/search_pattern_in_file.inc
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UNLOCK TABLES;
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ALTER TABLE t1 DROP INDEX idx;
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-- source include/wait_all_purged.inc
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FLUSH TABLE t1 FOR EXPORT;
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-- source include/search_pattern_in_file.inc
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UNLOCK TABLES;
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DROP TABLE t1;
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SET GLOBAL INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG=@save_debug;
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SET GLOBAL INNODB_IMMEDIATE_SCRUB_DATA_UNCOMPRESSED=@save_scrub;
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SET GLOBAL INNODB_PURGE_RSEG_TRUNCATE_FREQUENCY = @save_freq;
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