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https://github.com/MariaDB/server.git
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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>
131 lines
4.3 KiB
Text
131 lines
4.3 KiB
Text
include/master-slave.inc
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[connection master]
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CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL, c TEXT, PRIMARY KEY(a, b)) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (0, 0, 'Start');
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*** Test iteration, RESTART=0
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connection master;
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FLUSH BINARY LOGS;
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connection master1;
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*** Create a transaction with active OOB records (to be committed).
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connection default;
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*** Create a transaction with active OOB records (to be rolled back).
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connection master;
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FLUSH BINARY LOGS;
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*** Generating 10 large transactions in 5 interleaved connections
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connection master;
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FLUSH BINARY LOGS;
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INSERT INTO t1 VALUES (0 + 2, 0, "Park point 1 for dump thread");
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include/save_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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122
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connection slave;
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include/sync_with_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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122
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connection master;
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SET @old_dbug= @@global.debug_dbug;
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SET GLOBAL debug_dbug= "+d,dump_thread_wait_before_send_xid";
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INSERT INTO t1 VALUES (0 + 2, 1, "Transaction to pause dump thread");
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PURGE BINARY LOGS TO 'OOB1_START';
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PURGE BINARY LOGS TO 'OOB1_AFTER';
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ERROR HY000: A purgeable log is in use, will not purge
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PURGE BINARY LOGS TO 'OOB1_LATER';
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ERROR HY000: A purgeable log is in use, will not purge
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PURGE BINARY LOGS TO 'OOB1_CURRENT';
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ERROR HY000: A purgeable log is in use, will not purge
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connection master1;
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COMMIT;
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connection default;
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ROLLBACK;
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connection master;
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PURGE BINARY LOGS TO 'OOB1_CURRENT';
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ERROR HY000: A purgeable log is in use, will not purge
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*** Allow the dump thread to proceed, and see that purge is now possible.
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SET GLOBAL debug_dbug= @old_dbug;
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SET debug_sync= 'now SIGNAL signal.continue';
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FLUSH BINARY LOGS;
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INSERT INTO t1 VALUES (0 + 2, 2, 'Transaction to get dump thread to the next file');
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SELECT COUNT(*), SUM(a), SUM(b), SUM(LENGTH(c)) FROM t1;
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COUNT(*) SUM(a) SUM(b) SUM(LENGTH(c))
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134 120676 708 220262
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include/save_master_gtid.inc
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connection slave;
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include/sync_with_master_gtid.inc
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SELECT COUNT(*), SUM(a), SUM(b), SUM(LENGTH(c)) FROM t1;
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COUNT(*) SUM(a) SUM(b) SUM(LENGTH(c))
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134 120676 708 220262
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connection master;
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SET debug_sync= 'RESET';
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PURGE BINARY LOGS TO 'OOB1_START';
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PURGE BINARY LOGS TO 'OOB1_AFTER';
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PURGE BINARY LOGS TO 'OOB1_LATER';
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PURGE BINARY LOGS TO 'OOB1_CURRENT';
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*** Test iteration, RESTART=1
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connection master;
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FLUSH BINARY LOGS;
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connection master1;
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*** Create a transaction with active OOB records (to be committed).
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connection default;
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*** Create a transaction with active OOB records (to be rolled back).
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connection master;
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FLUSH BINARY LOGS;
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*** Generating 10 large transactions in 5 interleaved connections
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connection master;
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FLUSH BINARY LOGS;
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INSERT INTO t1 VALUES (100000 + 2, 0, "Park point 1 for dump thread");
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include/save_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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255
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connection slave;
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include/sync_with_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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COUNT(*)
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255
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connection slave;
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include/stop_slave.inc
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connection master1;
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COMMIT;
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connection default;
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ROLLBACK;
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connection master;
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include/rpl_restart_server.inc [server_number=1 parameters: --skip-slave-start]
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connection master;
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SET @old_dbug= @@global.debug_dbug;
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SET GLOBAL debug_dbug= "+d,dump_thread_wait_before_send_xid";
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INSERT INTO t1 VALUES (100000 + 2, 1, "Transaction to pause dump thread");
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connection slave;
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include/start_slave.inc
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connection master;
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PURGE BINARY LOGS TO 'OOB1_START';
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PURGE BINARY LOGS TO 'OOB1_AFTER';
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ERROR HY000: A purgeable log is in use, will not purge
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PURGE BINARY LOGS TO 'OOB1_LATER';
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ERROR HY000: A purgeable log is in use, will not purge
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PURGE BINARY LOGS TO 'OOB1_CURRENT';
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ERROR HY000: A purgeable log is in use, will not purge
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*** Allow the dump thread to proceed, and see that purge is now possible.
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SET GLOBAL debug_dbug= @old_dbug;
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SET debug_sync= 'now SIGNAL signal.continue';
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FLUSH BINARY LOGS;
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INSERT INTO t1 VALUES (100000 + 2, 2, 'Transaction to get dump thread to the next file');
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SELECT COUNT(*), SUM(a), SUM(b), SUM(LENGTH(c)) FROM t1;
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COUNT(*) SUM(a) SUM(b) SUM(LENGTH(c))
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267 13541352 1416 440519
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include/save_master_gtid.inc
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connection slave;
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include/sync_with_master_gtid.inc
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SELECT COUNT(*), SUM(a), SUM(b), SUM(LENGTH(c)) FROM t1;
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COUNT(*) SUM(a) SUM(b) SUM(LENGTH(c))
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267 13541352 1416 440519
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connection master;
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SET debug_sync= 'RESET';
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PURGE BINARY LOGS TO 'OOB1_START';
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PURGE BINARY LOGS TO 'OOB1_AFTER';
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PURGE BINARY LOGS TO 'OOB1_LATER';
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PURGE BINARY LOGS TO 'OOB1_CURRENT';
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connection master;
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DROP TABLE t1;
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include/rpl_end.inc
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