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https://github.com/MariaDB/server.git
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88 lines
2.8 KiB
Plaintext
88 lines
2.8 KiB
Plaintext
CREATE TABLE t1 (a VARCHAR(10) PRIMARY KEY) ENGINE=innodb;
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SELECT variable_value INTO @commits FROM information_schema.global_status
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WHERE variable_name = 'binlog_commits';
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SELECT variable_value INTO @group_commits FROM information_schema.global_status
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WHERE variable_name = 'binlog_group_commits';
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connect con1,localhost,root,,;
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connect con2,localhost,root,,;
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connect con3,localhost,root,,;
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connect con4,localhost,root,,;
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connect con5,localhost,root,,;
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connect con6,localhost,root,,;
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connection con1;
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SET DEBUG_SYNC= "commit_before_get_LOCK_after_binlog_sync SIGNAL group1_running WAIT_FOR group2_queued";
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INSERT INTO t1 VALUES ("con1");
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connection con2;
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set DEBUG_SYNC= "now WAIT_FOR group1_running";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL group2_con2";
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SET DEBUG_SYNC= "commit_before_get_LOCK_after_binlog_sync SIGNAL group2_running";
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SET DEBUG_SYNC= "commit_after_release_LOCK_log WAIT_FOR group3_committed";
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SET DEBUG_SYNC= "commit_after_group_run_commit_ordered SIGNAL group2_visible WAIT_FOR group2_checked";
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INSERT INTO t1 VALUES ("con2");
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connection con3;
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SET DEBUG_SYNC= "now WAIT_FOR group2_con2";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL group2_con3";
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INSERT INTO t1 VALUES ("con3");
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connection con4;
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SET DEBUG_SYNC= "now WAIT_FOR group2_con3";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL group2_con4";
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INSERT INTO t1 VALUES ("con4");
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connection default;
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SET DEBUG_SYNC= "now WAIT_FOR group2_con4";
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SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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SELECT * FROM t1 ORDER BY a;
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a
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SET DEBUG_SYNC= "now SIGNAL group2_queued";
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connection con1;
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connection default;
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SELECT * FROM t1 ORDER BY a;
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a
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con1
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connection con5;
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SET DEBUG_SYNC= "commit_before_get_LOCK_after_binlog_sync SIGNAL group3_con5";
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SET DEBUG_SYNC= "commit_after_get_LOCK_log SIGNAL con5_leader WAIT_FOR con6_queued";
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set DEBUG_SYNC= "now WAIT_FOR group2_running";
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INSERT INTO t1 VALUES ("con5");
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connection con6;
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SET DEBUG_SYNC= "now WAIT_FOR con5_leader";
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SET DEBUG_SYNC= "commit_after_prepare_ordered SIGNAL con6_queued";
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INSERT INTO t1 VALUES ("con6");
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connection default;
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SET DEBUG_SYNC= "now WAIT_FOR group3_con5";
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SELECT * FROM t1 ORDER BY a;
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a
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con1
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SET DEBUG_SYNC= "now SIGNAL group3_committed";
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SET DEBUG_SYNC= "now WAIT_FOR group2_visible";
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SELECT * FROM t1 ORDER BY a;
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a
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con1
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con2
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con3
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con4
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SET DEBUG_SYNC= "now SIGNAL group2_checked";
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connection con2;
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connection con3;
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connection con4;
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connection con5;
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connection con6;
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connection default;
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SELECT * FROM t1 ORDER BY a;
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a
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con1
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con2
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con3
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con4
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con5
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con6
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SELECT variable_value - @commits FROM information_schema.global_status
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WHERE variable_name = 'binlog_commits';
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variable_value - @commits
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6
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SELECT variable_value - @group_commits FROM information_schema.global_status
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WHERE variable_name = 'binlog_group_commits';
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variable_value - @group_commits
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3
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SET DEBUG_SYNC= 'RESET';
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DROP TABLE t1;
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