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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
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
#
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# WL#6965: Truncate UNDO logs.
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#
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# With larger innodb_page_size, the undo log tablespaces do not grow enough.
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--source include/innodb_page_size_small.inc
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--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/have_undo_tablespaces.inc
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# Valgrind would complain about memory leaks when we crash on purpose.
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--source include/not_valgrind.inc
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# Embedded server does not support crashing
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--source include/not_embedded.inc
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# Avoid CrashReporter popup on Mac
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--source include/not_crashrep.inc
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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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let SEARCH_FILE = $MYSQLTEST_VARDIR/log/mysqld.1.err;
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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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--disable_query_log
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let $i=30000;
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while ($i) {
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eval insert into t1 values(30000-$i, '');
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dec $i;
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}
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--enable_query_log
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commit;
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let SEARCH_PATTERN = ib_undo_trunc;
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begin;
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update t1 set c = 'MariaDB';
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update t1 set c = 'InnoDB';
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eval set global debug_dbug = '+d,$SEARCH_PATTERN';
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commit;
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# FIXME: remove this work-around, and generate less log!
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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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--source include/shutdown_mysqld.inc
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--source include/search_pattern_in_file.inc
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# FIXME: remove this work-around, and generate less log!
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--let $restart_parameters= --innodb-buffer-pool-size=16m
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--source include/start_mysqld.inc
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drop table t1;
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