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510ca9b697
Using a boolean flag for 'there is a RESET MASTER in progress' doesn't work very well for multiple concurrent RESET MASTER statements. Changed to a counter.
131 lines
5.8 KiB
Plaintext
131 lines
5.8 KiB
Plaintext
SET @old_max_binlog_size= @@global.max_binlog_size;
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SET GLOBAL max_binlog_size= 4096;
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SET @old_innodb_flush_log_at_trx_commit= @@global.innodb_flush_log_at_trx_commit;
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SET GLOBAL innodb_flush_log_at_trx_commit= 1;
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RESET MASTER;
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CREATE TABLE t1 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Innodb;
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CREATE TABLE t2 (a INT PRIMARY KEY, b MEDIUMTEXT) ENGINE=Myisam;
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*** Test that RESET MASTER waits for pending commit checkpoints to complete.
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SET DEBUG_SYNC= "commit_after_group_release_commit_ordered SIGNAL con1_ready WAIT_FOR con1_go";
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INSERT INTO t1 VALUES (1, REPEAT("x", 4100));
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SET DEBUG_SYNC= "now WAIT_FOR con1_ready";
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INSERT INTO t2 VALUES (1, REPEAT("x", 4100));
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INSERT INTO t2 VALUES (2, REPEAT("x", 4100));
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show binary logs;
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Log_name File_size
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master-bin.000001 #
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master-bin.000002 #
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master-bin.000003 #
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master-bin.000004 #
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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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master-bin.000004 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000004 # Gtid_list # # [#-#-#]
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master-bin.000004 # Binlog_checkpoint # # master-bin.000001
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SET DEBUG_SYNC= "execute_command_after_close_tables SIGNAL reset_master_done";
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RESET MASTER;
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This will timeout, as RESET MASTER is blocked
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SET DEBUG_SYNC= "now WAIT_FOR reset_master_done TIMEOUT 1";
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Warnings:
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Warning 1639 debug sync point wait timed out
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SET DEBUG_SYNC= "now SIGNAL con1_go";
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show binary logs;
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Log_name File_size
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master-bin.000001 #
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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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master-bin.000001 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000001 # Gtid_list # # []
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master-bin.000001 # Binlog_checkpoint # # master-bin.000001
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*** Test that binlog N is active, and commit checkpoint for (N-1) is
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*** done while there is still a pending commit checkpoint for (N-2).
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SET DEBUG_SYNC= "commit_after_group_release_commit_ordered SIGNAL con1_ready WAIT_FOR con1_continue";
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INSERT INTO t1 VALUES (20, REPEAT("x", 4100));
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SET DEBUG_SYNC= "now WAIT_FOR con1_ready";
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SET DEBUG_SYNC= "commit_after_group_release_commit_ordered SIGNAL con2_ready WAIT_FOR con2_continue";
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INSERT INTO t1 VALUES (21, REPEAT("x", 4100));
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SET DEBUG_SYNC= "now WAIT_FOR con2_ready";
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show binary logs;
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Log_name File_size
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master-bin.000001 #
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master-bin.000002 #
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master-bin.000003 #
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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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master-bin.000001 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000001 # Gtid_list # # []
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master-bin.000001 # Binlog_checkpoint # # master-bin.000001
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master-bin.000001 # Gtid # # BEGIN GTID #-#-#
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master-bin.000001 # Table_map # # table_id: # (test.t1)
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master-bin.000001 # Write_rows_v1 # # table_id: # flags: STMT_END_F
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master-bin.000001 # Xid # # COMMIT /* XID */
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master-bin.000001 # Rotate # # master-bin.000002;pos=POS
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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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master-bin.000002 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000002 # Gtid_list # # [#-#-#]
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master-bin.000002 # Binlog_checkpoint # # master-bin.000001
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master-bin.000002 # Gtid # # BEGIN GTID #-#-#
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master-bin.000002 # Table_map # # table_id: # (test.t1)
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master-bin.000002 # Write_rows_v1 # # table_id: # flags: STMT_END_F
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master-bin.000002 # Xid # # COMMIT /* XID */
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master-bin.000002 # Rotate # # master-bin.000003;pos=POS
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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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master-bin.000003 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000003 # Gtid_list # # [#-#-#]
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master-bin.000003 # Binlog_checkpoint # # master-bin.000001
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SET DEBUG_SYNC= "RESET";
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SET @old_dbug= @@global.DEBUG_DBUG;
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SET GLOBAL debug_dbug="+d,binlog_background_checkpoint_processed";
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SET DEBUG_SYNC= "now SIGNAL con2_continue";
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con1 is still pending, no new binlog checkpoint should have been logged.
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SET DEBUG_SYNC= "now WAIT_FOR binlog_background_checkpoint_processed";
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SET GLOBAL debug_dbug= @old_dbug;
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SET DEBUG_SYNC= "RESET";
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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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master-bin.000003 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000003 # Gtid_list # # [#-#-#]
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master-bin.000003 # Binlog_checkpoint # # master-bin.000001
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SET DEBUG_SYNC= "now SIGNAL con1_continue";
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No commit checkpoints are pending, a new binlog checkpoint should have been logged.
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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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master-bin.000003 # Format_desc # # SERVER_VERSION, BINLOG_VERSION
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master-bin.000003 # Gtid_list # # [#-#-#]
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master-bin.000003 # Binlog_checkpoint # # master-bin.000001
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master-bin.000003 # Binlog_checkpoint # # master-bin.000003
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*** MDEV-4322: Broken XID counting during binlog rotation ***
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SET @old_dbug= @@global.DEBUG_DBUG;
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SET GLOBAL debug_dbug="+d,inject_binlog_background_thread_before_mark_xid_done";
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FLUSH LOGS;
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INSERT INTO t1 VALUES (30, REPEAT("x", 4100));
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SET DEBUG_SYNC= "now WAIT_FOR injected_binlog_background_thread";
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SET GLOBAL debug_dbug= @old_dbug;
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INSERT INTO t1 VALUES (31, REPEAT("x", 4100));
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show binary logs;
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Log_name File_size
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master-bin.000001 #
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master-bin.000002 #
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master-bin.000003 #
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master-bin.000004 #
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master-bin.000005 #
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master-bin.000006 #
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SET debug_sync = 'reset';
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*** MDEV-7402: 'reset master' hangs, waits for signalled COND_xid_list ***
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SET debug_sync="reset_logs_after_set_reset_master_pending SIGNAL reset_master_ready WAIT_FOR reset_master_cont";
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RESET MASTER;
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SET @old_dbug= @@global.DEBUG_DBUG;
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SET GLOBAL debug_dbug="+d,inject_binlog_background_thread_before_mark_xid_done";
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SET debug_sync="now WAIT_FOR reset_master_ready";
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RESET MASTER;
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SET debug_sync="now WAIT_FOR injected_binlog_background_thread";
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SET GLOBAL debug_dbug=@old_dbug;
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SET debug_sync="now SIGNAL reset_master_cont";
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SET debug_sync = 'reset';
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DROP TABLE t1, t2;
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SET GLOBAL max_binlog_size= @old_max_binlog_size;
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SET GLOBAL innodb_flush_log_at_trx_commit= @old_innodb_flush_log_at_trx_commit;
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SET debug_sync = 'reset';
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