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7081f2a58e
Implement an improved binlog implementation that is integrated into the storage engine. The new implementation is enabled with the --binlog-storage-engine option. Initially the InnoDB storage engine implements the binlog. Integrating the binlog in the storage engine improves performance, since it makes the InnoDB redo log the single source of truth and avoids the need for expensive two-phase commit between binlog and engine. It also makes it possible to disable durability (set --innodb-flush-log-at-trx-commit=0) to further improve performance, while still preserving the ability to recover the binlog and database into a consistent state after a crash. The new binlog implementation also greatly improves the internal design and implementation of the binlog, and enables future enhancements for replication. This is a squash of the original 11.4-based patch series. Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>
187 lines
4.5 KiB
Text
187 lines
4.5 KiB
Text
--source include/have_binlog_format_row.inc
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--source include/master-slave.inc
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--source include/have_innodb_binlog.inc
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--echo *** Test XA PREPARE preserved over server restart.
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CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL, c LONGBLOB, PRIMARY KEY(a, b)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (0, 1, '');
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INSERT INTO t1 VALUES (0, 2, '');
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INSERT INTO t1 VALUES (0, 3, '');
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--connect con1,localhost,root,,
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XA BEGIN 'x1';
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INSERT INTO t1 VALUES (1, 1, '');
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--connect con2,localhost,root,,
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XA BEGIN 'x2';
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INSERT INTO t1 VALUES (2, 1, REPEAT('2', 100000));
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--connect con3,localhost,root,,
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XA BEGIN 'x3';
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INSERT INTO t1 VALUES (3, 1, '');
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--connection con1
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INSERT INTO t1 VALUES (1, 2, '');
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--connection con2
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INSERT INTO t1 VALUES (2, 2, REPEAT('2', 40000));
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--connection con3
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INSERT INTO t1 VALUES (3, 2, REPEAT('3', 50000));
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--connection con2
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INSERT INTO t1 VALUES (2, 3, REPEAT('2', 40000));
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--connection con3
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INSERT INTO t1 VALUES (3, 3, REPEAT('3', 100000));
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INSERT INTO t1 VALUES (3, 4, REPEAT('3', 100000));
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INSERT INTO t1 VALUES (3, 5, REPEAT('3', 100000));
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INSERT INTO t1 VALUES (3, 6, REPEAT('3', 100000));
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--connection con2
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INSERT INTO t1 VALUES (2, 4, REPEAT('2', 40000));
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--connection con1
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INSERT INTO t1 VALUES (1, 3, '');
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XA END 'x1';
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XA PREPARE 'x1';
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--connection con2
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XA END 'x2';
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XA PREPARE 'x2';
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--connection con3
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INSERT INTO t1 VALUES (3, 7, '');
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XA END 'x3';
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XA PREPARE 'x3';
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--connection slave
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--source include/stop_slave.inc
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--connection master
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--let $rpl_server_number= 1
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--source include/rpl_restart_server.inc
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--disconnect con1
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--disconnect con2
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--disconnect con3
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--connection slave
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--source include/start_slave.inc
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--connection master
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--sorted_result
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XA RECOVER;
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XA COMMIT 'x1';
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XA ROLLBACK 'x2';
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XA COMMIT 'x3';
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SELECT a, b, LENGTH(c) FROM t1 ORDER BY a,b;
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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SELECT a, b, LENGTH(c) FROM t1 ORDER BY a,b;
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--echo *** Test purgability of binlogs containing XA oob after restart.
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--connection slave
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--source include/stop_slave.inc
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--connection master
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--source include/reset_master.inc
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--connect con1,localhost,root,,
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# Trx x4 in binlog 0 and 2.
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XA START 'x4';
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INSERT INTO t1 VALUES (4, 1, REPEAT('4', 40000));
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--connection master
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FLUSH BINARY LOGS;
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--connect con2,localhost,root,,
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# Trx x5 in binlog 1.
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XA START 'x5';
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INSERT INTO t1 VALUES (5, 1, REPEAT('5', 40000));
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XA END 'x5';
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XA PREPARE 'x5';
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--connection master
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FLUSH BINARY LOGS;
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--connect con3,localhost,root,,
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# Trx x6 in binlog 3.
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XA START 'x6';
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INSERT INTO t1 VALUES (6, 1, 'x6');
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XA END 'x6';
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XA PREPARE 'x6';
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--connection con1
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XA END 'x4';
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XA PREPARE 'x4';
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--connection master
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--source include/rpl_restart_server.inc
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--disconnect con1
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--disconnect con2
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--disconnect con3
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--connection slave
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SET GLOBAL gtid_slave_pos= '';
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--source include/start_slave.inc
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--connection master
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--sorted_result
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XA RECOVER;
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SET @old_min_slaves= @@GLOBAL.slave_connections_needed_for_purge;
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SET GLOBAL slave_connections_needed_for_purge= 1;
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# Purge is a bit tricky.
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# A slave reading file N will prevent purge of N.
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# And then any M<N that may be referenced from N (eg. because of active
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# prepared XA) also cannot be purged.
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# So to purge M containing XA, we first have to commit or rollback that XA,
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# then FLUSH BINARY LOGS so the active binlog has no references to M, then
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# wait for the slave to have read up to file N.
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# Cannot purge binlog 0 containing prepared x4, but can do so after commit.
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FLUSH BINARY LOGS; # Now binlog 3 is the active.
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--error ER_LOG_IN_USE
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PURGE BINARY LOGS TO 'binlog-000001.ibb';
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XA COMMIT 'x4';
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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--connection master
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PURGE BINARY LOGS TO 'binlog-000001.ibb';
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--error ER_LOG_IN_USE
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PURGE BINARY LOGS TO 'binlog-000002.ibb';
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XA ROLLBACK 'x5';
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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--connection master
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PURGE BINARY LOGS TO 'binlog-000002.ibb';
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FLUSH BINARY LOGS; # Now 4 is the active.
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--error ER_LOG_IN_USE
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PURGE BINARY LOGS TO 'binlog-000003.ibb';
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XA COMMIT 'x6';
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FLUSH BINARY LOGS; # Now 5 is the active.
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INSERT INTO t1 VALUES (7, 1, '');
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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--connection master
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PURGE BINARY LOGS TO 'binlog-000003.ibb';
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--source include/save_master_gtid.inc
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--connection slave
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--source include/sync_with_master_gtid.inc
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--connection master
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SET GLOBAL slave_connections_needed_for_purge= @old_min_slaves;
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DROP TABLE t1;
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--source include/rpl_end.inc
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