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5a1868b58d
This is a merge from 10.2, but the 10.2 version of this will not be pushed into 10.2 yet, because the 10.2 version would include backports of MDEV-14717 and MDEV-14585, which would introduce a crash recovery regression: Tables could be lost on table-rebuilding DDL operations, such as ALTER TABLE, OPTIMIZE TABLE or this new backup-friendly TRUNCATE TABLE. The test innodb.truncate_crash occasionally loses the table due to the following bug: MDEV-17158 log_write_up_to() sometimes fails
16 lines
484 B
Plaintext
16 lines
484 B
Plaintext
SET GLOBAL innodb_undo_logs = 4;
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SET GLOBAL innodb_undo_log_truncate = 1;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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create table t1(keyc int primary key, c char(100)) engine = innodb;
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begin;
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commit;
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begin;
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update t1 set c = 'MariaDB';
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update t1 set c = 'InnoDB';
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set global debug_dbug = '+d,ib_undo_trunc';
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commit;
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call mtr.add_suppression("InnoDB: The redo log transaction size ");
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SET GLOBAL innodb_fast_shutdown=0;
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FOUND 1 /ib_undo_trunc/ in mysqld.1.err
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drop table t1;
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