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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>
83 lines
2.4 KiB
Text
83 lines
2.4 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 large gtid_state record, > 1 page.
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--connection master
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CREATE TABLE t1 (a INT PRIMARY KEY, b INT) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (0, 0);
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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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--source include/stop_slave.inc
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--connection master
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# Generate a large amount of domains, more than will fit in one page.
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# We use large domain_id/server_id so they will not compress to few bytes.
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--let $NUM= 8000
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--let $HALFWAY= `SELECT FLOOR($NUM/2)`
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--let $i = 1
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--disable_query_log
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while ($i <= $NUM) {
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eval SET SESSION server_id= 4294967295 - $i;
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eval SET SESSION gtid_domain_id= 4294967295 - $i;
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eval INSERT INTO t1 VALUES ($i, 1);
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if ($i == $HALFWAY) {
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--let $gtid_mid= `SELECT @@gtid_binlog_pos`
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--source include/save_master_gtid.inc
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--enable_query_log
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SELECT COUNT(*) AS midway_count FROM t1;
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--disable_query_log
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}
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inc $i;
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}
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SET SESSION server_id= 1;
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SET SESSION gtid_domain_id= 0;
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--enable_query_log
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INSERT INTO t1 VALUES (-1, 2);
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FLUSH BINARY LOGS;
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INSERT INTO t1 VALUES (-2, 3);
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SELECT COUNT(*) AS full_count FROM t1;
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# Test that we can recover a large GTID state after server restart.
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--let $before_state= `SELECT @@gtid_binlog_state`
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--let $rpl_server_number= 1
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--source include/rpl_restart_server.inc
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--let $after_state= `SELECT @@gtid_binlog_state`
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if ($before_state == $after_state) {
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--echo OK, binlog state preserved across server restart.
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}
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if ($before_state != $after_state) {
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--echo NOT ok, binlog state NOT preserved across server restart.
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--echo Before state:
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--echo $before_state
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--echo After state:
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--echo $after_state
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--die Test failed due to GTID state not preserved across server restart
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}
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--connection slave
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--disable_query_log
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eval START SLAVE UNTIL Master_gtid_pos='$gtid_mid';
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--enable_query_log
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--source include/sync_with_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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--source include/wait_for_slave_to_stop.inc
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# Test that the dump thread can find the GTID position to start even when
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# the GTID state record spans multiple pages.
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--connection master
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--source include/save_master_gtid.inc
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--connection slave
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--source include/start_slave.inc
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--source include/sync_with_master_gtid.inc
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SELECT COUNT(*) FROM t1;
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# Cleanup.
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--connection master
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DROP TABLE t1;
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--source include/rpl_end.inc
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