Merge MDEV-8354 into 10.1

56596081 · Kristian Nielsen · d43df4a3 · b89de2b2 · 56596081 · 56596081
Commit 56596081 authored Jun 24, 2015 by Kristian Nielsen
4 changed files
--- a/mysql-test/suite/multi_source/gtid_ignore_duplicates.cnf
+++ b/mysql-test/suite/multi_source/gtid_ignore_duplicates.cnf
@@ -3,21 +3,25 @@
 [mysqld.1]
 log-slave-updates
 loose-innodb
+binlog-format=mixed

 [mysqld.2]
 log-slave-updates
 loose-innodb
+binlog-format=mixed

 [mysqld.3]
 log-bin=server3-bin
 log-slave-updates
 loose-innodb
+binlog-format=mixed

 [mysqld.4]
 server-id=4
 log-bin=server4-bin
 log-slave-updates
 loose-innodb
+binlog-format=mixed

 [ENV]
 SERVER_MYPORT_4=		@mysqld.4.port

--- a/mysql-test/suite/multi_source/gtid_ignore_duplicates.result
+++ b/mysql-test/suite/multi_source/gtid_ignore_duplicates.result
@@ -242,6 +242,145 @@ a
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+*** MDEV-8354: out-of-order error with --gtid-ignore-duplicates and row-based replication ***
+SET default_master_connection = "b2a";
+STOP SLAVE;
+include/wait_for_slave_to_stop.inc
+SET default_master_connection = "c2a";
+STOP SLAVE;
+include/wait_for_slave_to_stop.inc
+SET default_master_connection = "c2b";
+STOP SLAVE;
+include/wait_for_slave_to_stop.inc
+SET default_master_connection = "b2c";
+STOP SLAVE;
+include/wait_for_slave_to_stop.inc
+SET @old_slave_mode=@@GLOBAL.slave_exec_mode;
+SET GLOBAL slave_exec_mode=IDEMPOTENT;
+SET @old_strict=@@GLOBAL.gtid_strict_mode;
+SET GLOBAL gtid_strict_mode=1;
+SET @old_dbug=@@GLOBAL.debug_dbug;
+SET GLOBAL debug_dbug="+d,inject_sleep_gtid_100_x_x";
+SET @old_domain=@@SESSION.gtid_domain_id;
+SET @old_format=@@SESSION.binlog_format;
+SET SESSION gtid_domain_id=100;
+SET SESSION binlog_format='row';
+INSERT INTO t1 VALUES (30);
+INSERT INTO t1 VALUES (31);
+INSERT INTO t1 VALUES (32);
+INSERT INTO t1 VALUES (33);
+INSERT INTO t1 VALUES (34);
+INSERT INTO t1 VALUES (35);
+INSERT INTO t1 VALUES (36);
+INSERT INTO t1 VALUES (37);
+INSERT INTO t1 VALUES (38);
+INSERT INTO t1 VALUES (39);
+INSERT INTO t1 VALUES (40);
+INSERT INTO t1 VALUES (41);
+INSERT INTO t1 VALUES (42);
+INSERT INTO t1 VALUES (43);
+INSERT INTO t1 VALUES (44);
+INSERT INTO t1 VALUES (45);
+INSERT INTO t1 VALUES (46);
+INSERT INTO t1 VALUES (47);
+INSERT INTO t1 VALUES (48);
+INSERT INTO t1 VALUES (49);
+SET SESSION gtid_domain_id=@old_domain;
+SET SESSION binlog_format=@old_format;
+include/save_master_gtid.inc
+include/sync_with_master_gtid.inc
+INSERT INTO t1 VALUES (50);
+include/save_master_gtid.inc
+SET default_master_connection = "b2c";
+START SLAVE;
+include/wait_for_slave_to_start.inc
+SELECT MASTER_GTID_WAIT("GTID", 30);
+MASTER_GTID_WAIT("GTID", 30)
+0
+SET default_master_connection = "b2a";
+START SLAVE;
+include/wait_for_slave_to_start.inc
+SET default_master_connection = "c2a";
+START SLAVE;
+include/wait_for_slave_to_start.inc
+include/sync_with_master_gtid.inc
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+a
+30
+31
+32
+33
+34
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+36
+37
+38
+39
+40
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+45
+46
+47
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+49
+50
+SET default_master_connection = "c2b";
+START SLAVE;
+include/wait_for_slave_to_start.inc
+include/sync_with_master_gtid.inc
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+a
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
+43
+44
+45
+46
+47
+48
+49
+50
+include/sync_with_master_gtid.inc
+SET GLOBAL debug_dbug=@old_dbug;
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+a
+30
+31
+32
+33
+34
+35
+36
+37
+38
+39
+40
+41
+42
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+49
+50
+SET GLOBAL slave_exec_mode=@old_slave_mode;
+SET GLOBAL gtid_strict_mode=@old_strict;
 SET GLOBAL gtid_domain_id=0;
 STOP ALL SLAVES;
 Warnings:

--- a/mysql-test/suite/multi_source/gtid_ignore_duplicates.test
+++ b/mysql-test/suite/multi_source/gtid_ignore_duplicates.test
 --source include/not_embedded.inc
 --source include/have_innodb.inc
+--source include/have_debug.inc
+

 --echo *** Test all-to-all replication with --gtid-ignore-duplicates ***

@@ -258,6 +260,112 @@ SELECT * FROM t1 WHERE a >= 20 ORDER BY a;
 SELECT * FROM t1 WHERE a >= 20 ORDER BY a;


+--echo *** MDEV-8354: out-of-order error with --gtid-ignore-duplicates and row-based replication ***
+
+# Have only A->C A->B initially.
+--connection server_1
+SET default_master_connection = "b2a";
+STOP SLAVE;
+--source include/wait_for_slave_to_stop.inc
+SET default_master_connection = "c2a";
+STOP SLAVE;
+--source include/wait_for_slave_to_stop.inc
+
+--connection server_2
+SET default_master_connection = "c2b";
+STOP SLAVE;
+--source include/wait_for_slave_to_stop.inc
+
+--connection server_3
+SET default_master_connection = "b2c";
+STOP SLAVE;
+--source include/wait_for_slave_to_stop.inc
+SET @old_slave_mode=@@GLOBAL.slave_exec_mode;
+SET GLOBAL slave_exec_mode=IDEMPOTENT;
+SET @old_strict=@@GLOBAL.gtid_strict_mode;
+SET GLOBAL gtid_strict_mode=1;
+
+SET @old_dbug=@@GLOBAL.debug_dbug;
+# This will inject a small sleep that helps trigger the race. I did not manage
+# to create a non-sleeping version with debug_sync for this; the problem is
+# that once the bug is fixed, the race becomes impossible, so even with
+# debug_sync at best we can check that the debug_sync times out. Which is
+# just another way of adding a sleep.
+#
+# The bug was a race at this point where another multi-source connection
+# could incorrectly re-apply the same GTID, in case of row-based replication.
+SET GLOBAL debug_dbug="+d,inject_sleep_gtid_100_x_x";
+
+--connection server_1
+SET @old_domain=@@SESSION.gtid_domain_id;
+SET @old_format=@@SESSION.binlog_format;
+SET SESSION gtid_domain_id=100;
+SET SESSION binlog_format='row';
+INSERT INTO t1 VALUES (30);
+INSERT INTO t1 VALUES (31);
+INSERT INTO t1 VALUES (32);
+INSERT INTO t1 VALUES (33);
+INSERT INTO t1 VALUES (34);
+INSERT INTO t1 VALUES (35);
+INSERT INTO t1 VALUES (36);
+INSERT INTO t1 VALUES (37);
+INSERT INTO t1 VALUES (38);
+INSERT INTO t1 VALUES (39);
+INSERT INTO t1 VALUES (40);
+INSERT INTO t1 VALUES (41);
+INSERT INTO t1 VALUES (42);
+INSERT INTO t1 VALUES (43);
+INSERT INTO t1 VALUES (44);
+INSERT INTO t1 VALUES (45);
+INSERT INTO t1 VALUES (46);
+INSERT INTO t1 VALUES (47);
+INSERT INTO t1 VALUES (48);
+INSERT INTO t1 VALUES (49);
+SET SESSION gtid_domain_id=@old_domain;
+SET SESSION binlog_format=@old_format;
+--source include/save_master_gtid.inc
+
+--connection server_2
+--source include/sync_with_master_gtid.inc
+INSERT INTO t1 VALUES (50);
+--let $gtid=`SELECT @@last_gtid`
+--source include/save_master_gtid.inc
+
+--connection server_3
+SET default_master_connection = "b2c";
+START SLAVE;
+--source include/wait_for_slave_to_start.inc
+--replace_result $gtid GTID
+eval SELECT MASTER_GTID_WAIT("$gtid", 30);
+# The bug occured here, the slave would get an out-of-order binlog error
+# due to trying to re-apply the 100-x-x transaction.
+
+# Restart stopped multi-source connections, and sync up.
+--connection server_1
+SET default_master_connection = "b2a";
+START SLAVE;
+--source include/wait_for_slave_to_start.inc
+SET default_master_connection = "c2a";
+START SLAVE;
+--source include/wait_for_slave_to_start.inc
+--source include/sync_with_master_gtid.inc
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+
+--connection server_2
+SET default_master_connection = "c2b";
+START SLAVE;
+--source include/wait_for_slave_to_start.inc
+--source include/sync_with_master_gtid.inc
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+
+--connection server_3
+--source include/sync_with_master_gtid.inc
+SET GLOBAL debug_dbug=@old_dbug;
+SELECT * FROM t1 WHERE a >= 30 ORDER BY a;
+SET GLOBAL slave_exec_mode=@old_slave_mode;
+SET GLOBAL gtid_strict_mode=@old_strict;
+
+
 # Clean up.
 --connection server_1
 SET GLOBAL gtid_domain_id=0;

--- a/sql/rpl_rli.cc
+++ b/sql/rpl_rli.cc
@@ -1768,6 +1768,13 @@ void rpl_group_info::cleanup_context(THD *thd, bool error)
      rli->clear_flag(Relay_log_info::IN_STMT);
      rli->clear_flag(Relay_log_info::IN_TRANSACTION);
    }
+
+    /*
+      Ensure we always release the domain for others to process, when using
+      --gtid-ignore-duplicates.
+    */
+    if (gtid_ignore_duplicate_state != GTID_DUPLICATE_NULL)
+      rpl_global_gtid_slave_state.release_domain_owner(this);
  }

  /*
@@ -1776,13 +1783,6 @@ void rpl_group_info::cleanup_context(THD *thd, bool error)
  thd->variables.option_bits&= ~OPTION_NO_FOREIGN_KEY_CHECKS;
  thd->variables.option_bits&= ~OPTION_RELAXED_UNIQUE_CHECKS;

-  /*
-    Ensure we always release the domain for others to process, when using
-    --gtid-ignore-duplicates.
-  */
-  if (gtid_ignore_duplicate_state != GTID_DUPLICATE_NULL)
-    rpl_global_gtid_slave_state.release_domain_owner(this);
-
  /*
    Reset state related to long_find_row notes in the error log:
    - timestamp
@@ -1791,6 +1791,11 @@ void rpl_group_info::cleanup_context(THD *thd, bool error)
  reset_row_stmt_start_timestamp();
  unset_long_find_row_note_printed();

+  DBUG_EXECUTE_IF("inject_sleep_gtid_100_x_x", {
+      if (current_gtid.domain_id == 100)
+        my_sleep(50000);
+    };);
+
  DBUG_VOID_RETURN;
 }