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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>
70 lines
2.6 KiB
Text
70 lines
2.6 KiB
Text
include/reset_master.inc
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CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
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CREATE TABLE t2 (a INT PRIMARY KEY, b INT) ENGINE=RocksDB;
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*** A simple multi-engine transaction.
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BEGIN;
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INSERT INTO t1 VALUES (1, 0);
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INSERT INTO t2 VALUES (1, 0);
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COMMIT;
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include/show_binlog_events.inc
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Log_name Pos Event_type Server_id End_log_pos Info
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binlog-000000.ibb # Gtid # # BEGIN GTID #-#-#
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binlog-000000.ibb # Query # # use `test`; INSERT INTO t1 VALUES (1, 0)
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binlog-000000.ibb # Annotate_rows # # INSERT INTO t2 VALUES (1, 0)
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binlog-000000.ibb # Table_map # # table_id: # (test.t2)
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binlog-000000.ibb # Write_rows_v1 # # table_id: # flags: STMT_END_F
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binlog-000000.ibb # Xid # # COMMIT /* XID */
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*** A couple multi-engine transactions where we crash in the middle.
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connect con1,localhost,root,,;
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BEGIN;
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INSERT INTO t2 VALUES (2, 0);
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INSERT INTO t2 VALUES (20, 1);
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INSERT INTO t2 VALUES (21, 2);
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SET debug_sync= 'ibb_after_commit_redo_log SIGNAL con1_rdy WAIT_FOR crash';
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/* a */ COMMIT;
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connection default;
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SET debug_sync= 'now WAIT_FOR con1_rdy';
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connect con2,localhost,root,,;
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BEGIN;
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INSERT INTO t1 VALUES (3, 0);
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INSERT INTO t2 VALUES (3, 0);
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SET debug_sync= 'ibb_after_group_commit_redo_log SIGNAL con2_rdy WAIT_FOR crash';
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/* b */ COMMIT;
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connection default;
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SET debug_sync= 'now WAIT_FOR con2_rdy';
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# restart
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disconnect con1;
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disconnect con2;
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connection default;
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include/show_binlog_events.inc
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Log_name Pos Event_type Server_id End_log_pos Info
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binlog-000000.ibb # Gtid # # BEGIN GTID #-#-#
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binlog-000000.ibb # Annotate_rows # # INSERT INTO t2 VALUES (2, 0)
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binlog-000000.ibb # Table_map # # table_id: # (test.t2)
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binlog-000000.ibb # Write_rows_v1 # # table_id: # flags: STMT_END_F
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binlog-000000.ibb # Annotate_rows # # INSERT INTO t2 VALUES (20, 1)
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binlog-000000.ibb # Table_map # # table_id: # (test.t2)
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binlog-000000.ibb # Write_rows_v1 # # table_id: # flags: STMT_END_F
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binlog-000000.ibb # Annotate_rows # # INSERT INTO t2 VALUES (21, 2)
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binlog-000000.ibb # Table_map # # table_id: # (test.t2)
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binlog-000000.ibb # Write_rows_v1 # # table_id: # flags: STMT_END_F
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binlog-000000.ibb # Xid # # COMMIT /* XID */
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binlog-000000.ibb # Gtid # # BEGIN GTID #-#-#
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binlog-000000.ibb # Query # # use `test`; INSERT INTO t1 VALUES (3, 0)
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binlog-000000.ibb # Annotate_rows # # INSERT INTO t2 VALUES (3, 0)
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binlog-000000.ibb # Table_map # # table_id: # (test.t2)
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binlog-000000.ibb # Write_rows_v1 # # table_id: # flags: STMT_END_F
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binlog-000000.ibb # Xid # # COMMIT /* XID */
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binlog-000000.ibb # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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SELECT * FROM t1 ORDER BY a;
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a b
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1 0
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3 0
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SELECT * FROM t2 ORDER BY a;
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a b
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1 0
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2 0
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3 0
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20 1
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21 2
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DROP TABLE t1, t2;
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