BUG#12400221 - 60926: BINARY LOG EVENTS LARGER THAN MAX_ALLOWED_PACKET

Upmerge from mysql-5.1 -> mysql-5.5
2012-06-12 12:59:56 +05:30 · 2012-06-12 12:59:56 +05:30 · 46ca66b9f8
commit 46ca66b9f8
parent 4f106324c1 6c03d09e2e
15 changed files with 373 additions and 23 deletions
--- a/mysql-test/r/mysqld--help-notwin.result
+++ b/mysql-test/r/mysqld--help-notwin.result
@ -635,6 +635,9 @@ The following options may be given as the first argument:
 --slave-load-tmpdir=name 
 The location where the slave should put its temporary
 files when replicating a LOAD DATA INFILE command
+ --slave-max-allowed-packet=# 
+ The maximum packet length to sent successfully from the
+ master to slave.
 --slave-net-timeout=# 
 Number of seconds to wait for more data from a
 master/slave connection before aborting the read
@ -930,6 +933,7 @@ skip-show-database FALSE
 skip-slave-start FALSE
 slave-compressed-protocol FALSE
 slave-exec-mode STRICT
+slave-max-allowed-packet 1073741824
 slave-net-timeout 3600
 slave-skip-errors (No default value)
 slave-transaction-retries 10
--- a/mysql-test/r/mysqld--help-win.result
+++ b/mysql-test/r/mysqld--help-win.result
@ -638,6 +638,9 @@ The following options may be given as the first argument:
 --slave-load-tmpdir=name 
 The location where the slave should put its temporary
 files when replicating a LOAD DATA INFILE command
+ --slave-max-allowed-packet=# 
+ The maximum packet length to sent successfully from the
+ master to slave.
 --slave-net-timeout=# 
 Number of seconds to wait for more data from a
 master/slave connection before aborting the read
@ -940,6 +943,7 @@ skip-show-database FALSE
 skip-slave-start FALSE
 slave-compressed-protocol FALSE
 slave-exec-mode STRICT
+slave-max-allowed-packet 1073741824
 slave-net-timeout 3600
 slave-skip-errors (No default value)
 slave-transaction-retries 10
--- a/mysql-test/suite/rpl/r/rpl_log_pos.result
+++ b/mysql-test/suite/rpl/r/rpl_log_pos.result
@ -9,7 +9,7 @@ change master to master_log_pos=MASTER_LOG_POS;
 Read_Master_Log_Pos = '75'
 start slave;
 include/wait_for_slave_io_error.inc [errno=1236]
-Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master; the first event 'master-bin.000001' at XXX, the last event read from './master-bin.000001' at XXX, the last byte read from './master-bin.000001' at XXX.''
+Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'binlog truncated in the middle of event; consider out of disk space on master; the first event 'master-bin.000001' at XXX, the last event read from './master-bin.000001' at XXX, the last byte read from './master-bin.000001' at XXX.''
 include/stop_slave_sql.inc
 show master status;
 File	Position	Binlog_Do_DB	Binlog_Ignore_DB
--- a/mysql-test/suite/rpl/r/rpl_packet.result
+++ b/mysql-test/suite/rpl/r/rpl_packet.result
@ -1,7 +1,7 @@
 include/master-slave.inc
 [connection master]
-call mtr.add_suppression("Slave I/O: Got a packet bigger than 'max_allowed_packet' bytes, Error_code: 1153");
-call mtr.add_suppression("Slave I/O: Got fatal error 1236 from master when reading data from binary log:");
+call mtr.add_suppression("Slave I/O: Got a packet bigger than 'slave_max_allowed_packet' bytes, Error_code: 1153");
+call mtr.add_suppression("Log entry on master is longer than slave_max_allowed_packet");
 drop database if exists DB_NAME_OF_MAX_LENGTH_AKA_NAME_LEN_64_BYTES_____________________;
 create database DB_NAME_OF_MAX_LENGTH_AKA_NAME_LEN_64_BYTES_____________________;
 SET @@global.max_allowed_packet=1024;
@ -30,14 +30,14 @@ include/start_slave.inc
 CREATE TABLE `t1` (`f1` LONGTEXT) ENGINE=MyISAM;
 INSERT INTO `t1`(`f1`) VALUES ('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa2048');
 include/wait_for_slave_io_error.inc [errno=1153]
-Last_IO_Error = 'Got a packet bigger than 'max_allowed_packet' bytes'
+Last_IO_Error = 'Got a packet bigger than 'slave_max_allowed_packet' bytes'
 include/stop_slave_sql.inc
 include/rpl_reset.inc
 DROP TABLE t1;
 CREATE TABLE t1 (f1 int PRIMARY KEY, f2 LONGTEXT, f3 LONGTEXT) ENGINE=MyISAM;
 INSERT INTO t1(f1, f2, f3) VALUES(1, REPEAT('a', @@global.max_allowed_packet), REPEAT('b', @@global.max_allowed_packet));
-include/wait_for_slave_io_error.inc [errno=1236]
-Last_IO_Error = 'Got fatal error 1236 from master when reading data from binary log: 'log event entry exceeded max_allowed_packet; Increase max_allowed_packet on master; the first event '' at XXX, the last event read from './master-bin.000001' at XXX, the last byte read from './master-bin.000001' at XXX.''
+include/wait_for_slave_io_error.inc [errno=1153]
+Last_IO_Error = 'Got a packet bigger than 'slave_max_allowed_packet' bytes'
 STOP SLAVE;
 RESET SLAVE;
 RESET MASTER;
@ -52,6 +52,7 @@ SET @@global.max_allowed_packet= 1024;
 Warnings:
 Warning	1708	The value of 'max_allowed_packet' should be no less than the value of 'net_buffer_length'
 SET @@global.net_buffer_length= 1024;
+SET @@global.slave_max_allowed_packet= 1073741824;
 DROP TABLE t1;
 RESET SLAVE;
 include/rpl_end.inc
--- a/mysql-test/suite/rpl/t/rpl_packet-slave.opt
+++ b/mysql-test/suite/rpl/t/rpl_packet-slave.opt
@ -1 +1 @@
--max_allowed_packet=1024 --net_buffer_length=1024
+--max_allowed_packet=1024 --net_buffer_length=1024 --slave_max_allowed_packet=1024
--- a/mysql-test/suite/rpl/t/rpl_packet.test
+++ b/mysql-test/suite/rpl/t/rpl_packet.test
@ -11,9 +11,8 @@
 # max-out size db name 
 source include/master-slave.inc;
 source include/have_binlog_format_row.inc;
-call mtr.add_suppression("Slave I/O: Got a packet bigger than 'max_allowed_packet' bytes, Error_code: 1153");
-call mtr.add_suppression("Slave I/O: Got fatal error 1236 from master when reading data from binary log:");
-
+call mtr.add_suppression("Slave I/O: Got a packet bigger than 'slave_max_allowed_packet' bytes, Error_code: 1153");
+call mtr.add_suppression("Log entry on master is longer than slave_max_allowed_packet");
 let $db= DB_NAME_OF_MAX_LENGTH_AKA_NAME_LEN_64_BYTES_____________________;
 disable_warnings;
 eval drop database if exists $db;
@ -23,6 +22,7 @@ eval create database $db;
 connection master;
 let $old_max_allowed_packet= `SELECT @@global.max_allowed_packet`;
 let $old_net_buffer_length= `SELECT @@global.net_buffer_length`;
+let $old_slave_max_allowed_packet= `SELECT @@global.slave_max_allowed_packet`;
 SET @@global.max_allowed_packet=1024;
 SET @@global.net_buffer_length=1024;

@ -123,11 +123,9 @@ INSERT INTO t1(f1, f2, f3) VALUES(1, REPEAT('a', @@global.max_allowed_packet), R

 connection slave;
 # The slave I/O thread must stop after receiving
-# 1236=ER_MASTER_FATAL_ERROR_READING_BINLOG error message from master.
--let $slave_io_errno= 1236
-
-# Mask line numbers
--let $slave_io_error_replace= / at [0-9]*/ at XXX/
+# 1153 = ER_NET_PACKET_TOO_LARGE
+--let $slave_io_errno= 1153
+--let $show_slave_io_error= 1
 --source include/wait_for_slave_io_error.inc

 # Remove the bad binlog and clear error status on slave.
@ -167,6 +165,7 @@ connection master;
 DROP TABLE t1;
 eval SET @@global.max_allowed_packet= $old_max_allowed_packet;
 eval SET @@global.net_buffer_length= $old_net_buffer_length;
+eval SET @@global.slave_max_allowed_packet= $old_slave_max_allowed_packet;
 # slave is stopped
 connection slave;
 DROP TABLE t1;
--- a/mysql-test/suite/sys_vars/r/slave_max_allowed_packet_basic.result
+++ b/mysql-test/suite/sys_vars/r/slave_max_allowed_packet_basic.result
@ -0,0 +1,147 @@
+SET @start_value = @@global.slave_max_allowed_packet;
+SELECT @start_value;
+@start_value
+1073741824
+'#--------------------FN_DYNVARS_072_01------------------------#'
+SET @@global.slave_max_allowed_packet = 5000;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '5000'
+SET @@global.slave_max_allowed_packet = DEFAULT;
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+'#---------------------FN_DYNVARS_072_02-------------------------#'
+SET @@global.slave_max_allowed_packet = @start_value;
+SELECT @@global.slave_max_allowed_packet = 1073741824;
+@@global.slave_max_allowed_packet = 1073741824
+1
+'Bug# 34876: Incorrect Default Value is assigned to variable';
+'#--------------------FN_DYNVARS_072_03------------------------#'
+SET @@global.slave_max_allowed_packet = 1024;
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = 1073741824;
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+SET @@global.slave_max_allowed_packet = 1073741824;
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+SET @@global.slave_max_allowed_packet = 1025;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '1025'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = 65535;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '65535'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+64512
+'Bug# 34877: Invalid Values are coming in variable on assigning valid values';
+'#--------------------FN_DYNVARS_072_04-------------------------#'
+SET @@global.slave_max_allowed_packet = -1;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '-1'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = 100000000000;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '100000000000'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+SET @@global.slave_max_allowed_packet = 10000.01;
+ERROR 42000: Incorrect argument type to variable 'slave_max_allowed_packet'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+SET @@global.slave_max_allowed_packet = -1024;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '-1024'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = 4294967296;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '4294967296'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
+SET @@global.slave_max_allowed_packet = 1023;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '1023'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+'Bug # 34837: Errors are not coming on assigning invalid values to variable';
+SET @@global.slave_max_allowed_packet = ON;
+ERROR 42000: Incorrect argument type to variable 'slave_max_allowed_packet'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = 'test';
+ERROR 42000: Incorrect argument type to variable 'slave_max_allowed_packet'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+'#-------------------FN_DYNVARS_072_05----------------------------#'
+SET @@session.slave_max_allowed_packet = 4096;
+ERROR HY000: Variable 'slave_max_allowed_packet' is a GLOBAL variable and should be set with SET GLOBAL
+SELECT @@session.slave_max_allowed_packet;
+ERROR HY000: Variable 'slave_max_allowed_packet' is a GLOBAL variable
+'#----------------------FN_DYNVARS_072_06------------------------#'
+SELECT @@global.slave_max_allowed_packet = VARIABLE_VALUE 
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='slave_max_allowed_packet';
+@@global.slave_max_allowed_packet = VARIABLE_VALUE
+1
+SELECT @@slave_max_allowed_packet = VARIABLE_VALUE 
+FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
+WHERE VARIABLE_NAME='slave_max_allowed_packet';
+@@slave_max_allowed_packet = VARIABLE_VALUE
+1
+'#---------------------FN_DYNVARS_072_07----------------------#'
+SET @@global.slave_max_allowed_packet = TRUE;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '1'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+SET @@global.slave_max_allowed_packet = FALSE;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '0'
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1024
+'#---------------------FN_DYNVARS_072_08----------------------#'
+SET @@global.slave_max_allowed_packet = 5000;
+Warnings:
+Warning	1292	Truncated incorrect slave_max_allowed_packet value: '5000'
+SELECT @@slave_max_allowed_packet = @@global.slave_max_allowed_packet;
+@@slave_max_allowed_packet = @@global.slave_max_allowed_packet
+1
+'#---------------------FN_DYNVARS_072_09----------------------#'
+SET slave_max_allowed_packet = 6000;
+ERROR HY000: Variable 'slave_max_allowed_packet' is a GLOBAL variable and should be set with SET GLOBAL
+SELECT @@slave_max_allowed_packet;
+@@slave_max_allowed_packet
+4096
+SET local.slave_max_allowed_packet = 7000;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'slave_max_allowed_packet = 7000' at line 1
+SELECT local.slave_max_allowed_packet;
+ERROR 42S02: Unknown table 'local' in field list
+SET global.slave_max_allowed_packet = 8000;
+ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'slave_max_allowed_packet = 8000' at line 1
+SELECT global.slave_max_allowed_packet;
+ERROR 42S02: Unknown table 'global' in field list
+SELECT slave_max_allowed_packet = @@session.slave_max_allowed_packet;
+ERROR 42S22: Unknown column 'slave_max_allowed_packet' in 'field list'
+SET @@global.slave_max_allowed_packet = @start_value;
+SELECT @@global.slave_max_allowed_packet;
+@@global.slave_max_allowed_packet
+1073741824
--- a/mysql-test/suite/sys_vars/t/slave_max_allowed_packet_basic.test
+++ b/mysql-test/suite/sys_vars/t/slave_max_allowed_packet_basic.test
@ -0,0 +1,177 @@
+############## mysql-test\t\slave_max_allowed_packet_basic.test ##################
+#                                                                             #
+# Variable Name: slave_max_allowed_packet                                     #
+# Scope: GLOBAL                                                               #
+# Access Type: Dynamic                                                        #
+# Data Type: numeric                                                          #
+# Default Value:1073741824                                                    #
+# Range: 1024 - 1073741824                                                    #
+#                                                                             #
+#                                                                             #
+#                                                                             #
+# Description: Test Cases of Dynamic System Variable slave_max_allowed_packet #
+#              that checks the behavior of this variable in the following ways#
+#              * Default Value                                                #
+#              * Valid & Invalid values                                       #
+#              * Scope & Access method                                        #
+#              * Data Integrity                                               #
+#                                                                             #
+###############################################################################
+
+--source include/load_sysvars.inc
+
+######################################################################## 
+#              START OF slave_max_allowed_packet TESTS                 #
+######################################################################## 
+
+
+########################################################################### 
+# Saving initial value of slave_max_allowed_packet in a temporary variable#
+########################################################################### 
+
+SET @start_value = @@global.slave_max_allowed_packet;
+SELECT @start_value;
+
+
+--echo '#--------------------FN_DYNVARS_072_01------------------------#'
+######################################################################## 
+#           Display the DEFAULT value of slave_max_allowed_packet      #
+######################################################################## 
+
+SET @@global.slave_max_allowed_packet = 5000;
+SET @@global.slave_max_allowed_packet = DEFAULT;
+SELECT @@global.slave_max_allowed_packet;
+
+
+--echo '#---------------------FN_DYNVARS_072_02-------------------------#'
+############################################### 
+#     Verify default value of variable        #
+############################################### 
+
+SET @@global.slave_max_allowed_packet = @start_value;
+SELECT @@global.slave_max_allowed_packet = 1073741824; 
+--echo 'Bug# 34876: Incorrect Default Value is assigned to variable';
+
+--echo '#--------------------FN_DYNVARS_072_03------------------------#'
+######################################################################## 
+#    Change the value of slave_max_allowed_packet to a valid value     #
+######################################################################## 
+
+SET @@global.slave_max_allowed_packet = 1024;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 1073741824;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 1073741824;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 1025;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 65535;
+SELECT @@global.slave_max_allowed_packet;
+--echo 'Bug# 34877: Invalid Values are coming in variable on assigning valid values';
+
+
+--echo '#--------------------FN_DYNVARS_072_04-------------------------#'
+########################################################################### 
+#      Change the value of slave_max_allowed_packet to invalid value         #
+########################################################################### 
+
+SET @@global.slave_max_allowed_packet = -1;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 100000000000;
+SELECT @@global.slave_max_allowed_packet;
+--Error ER_WRONG_TYPE_FOR_VAR
+SET @@global.slave_max_allowed_packet = 10000.01;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = -1024;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 4294967296;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = 1023;
+SELECT @@global.slave_max_allowed_packet;
+
+--echo 'Bug # 34837: Errors are not coming on assigning invalid values to variable';
+
+--Error ER_WRONG_TYPE_FOR_VAR
+SET @@global.slave_max_allowed_packet = ON;
+SELECT @@global.slave_max_allowed_packet;
+--Error ER_WRONG_TYPE_FOR_VAR
+SET @@global.slave_max_allowed_packet = 'test';
+SELECT @@global.slave_max_allowed_packet;
+
+
+--echo '#-------------------FN_DYNVARS_072_05----------------------------#'
+########################################################################### 
+#       Test if accessing session slave_max_allowed_packet gives error       #
+########################################################################### 
+
+--Error ER_GLOBAL_VARIABLE
+SET @@session.slave_max_allowed_packet = 4096;
+--Error ER_INCORRECT_GLOBAL_LOCAL_VAR
+SELECT @@session.slave_max_allowed_packet;
+
+
+--echo '#----------------------FN_DYNVARS_072_06------------------------#'
+############################################################################## 
+# Check if the value in GLOBAL & SESSION Tables matches values in variable   #
+##############################################################################
+
+SELECT @@global.slave_max_allowed_packet = VARIABLE_VALUE 
+FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
+WHERE VARIABLE_NAME='slave_max_allowed_packet';
+
+SELECT @@slave_max_allowed_packet = VARIABLE_VALUE 
+FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
+WHERE VARIABLE_NAME='slave_max_allowed_packet';
+
+
+--echo '#---------------------FN_DYNVARS_072_07----------------------#'
+################################################################### 
+#      Check if TRUE and FALSE values can be used on variable     #
+################################################################### 
+
+SET @@global.slave_max_allowed_packet = TRUE;
+SELECT @@global.slave_max_allowed_packet;
+SET @@global.slave_max_allowed_packet = FALSE;
+SELECT @@global.slave_max_allowed_packet;
+
+
+--echo '#---------------------FN_DYNVARS_072_08----------------------#'
+########################################################################################################
+#    Check if accessing variable with SESSION,LOCAL and without SCOPE points to same session variable  #
+########################################################################################################
+
+SET @@global.slave_max_allowed_packet = 5000;
+SELECT @@slave_max_allowed_packet = @@global.slave_max_allowed_packet;
+
+
+--echo '#---------------------FN_DYNVARS_072_09----------------------#'
+################################################################################  
+#   Check if slave_max_allowed_packet can be accessed with and without @@ sign #
+################################################################################
+
+--Error ER_GLOBAL_VARIABLE
+SET slave_max_allowed_packet = 6000;
+SELECT @@slave_max_allowed_packet;
+--Error ER_PARSE_ERROR
+SET local.slave_max_allowed_packet = 7000;
+--Error ER_UNKNOWN_TABLE
+SELECT local.slave_max_allowed_packet;
+--Error ER_PARSE_ERROR
+SET global.slave_max_allowed_packet = 8000;
+--Error ER_UNKNOWN_TABLE
+SELECT global.slave_max_allowed_packet;
+--Error ER_BAD_FIELD_ERROR
+SELECT slave_max_allowed_packet = @@session.slave_max_allowed_packet;
+
+
+##############################  
+#   Restore initial value    #
+##############################
+
+SET @@global.slave_max_allowed_packet = @start_value;
+SELECT @@global.slave_max_allowed_packet;
+
+
+######################################################################## 
+#              END OF slave_max_allowed_packet TESTS                   #
+######################################################################## 
--- a/sql/log_event.cc
+++ b/sql/log_event.cc
@ -1139,7 +1139,7 @@ failed my_b_read"));
  Log_event *res=  0;
 #ifndef max_allowed_packet
  THD *thd=current_thd;
-  uint max_allowed_packet= thd ? thd->variables.max_allowed_packet : ~(ulong)0;
+  uint max_allowed_packet= thd ? slave_max_allowed_packet:~(ulong)0;
 #endif

  if (data_len > max_allowed_packet)
--- a/sql/log_event.h
+++ b/sql/log_event.h
@ -280,6 +280,13 @@ struct sql_ex_info
  MAX_SIZE_LOG_EVENT_STATUS + /* status */ \
  NAME_LEN + 1)

+/*
+  The new option is added to handle large packets that are sent from the master 
+  to the slave. It is used to increase the thd(max_allowed) for both the
+  DUMP thread on the master and the SQL/IO thread on the slave. 
+*/
+#define MAX_MAX_ALLOWED_PACKET 1024*1024*1024
+
 /* 
   Event header offsets; 
   these point to places inside the fixed header.
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@ -469,6 +469,7 @@ ulonglong slave_type_conversions_options;
 ulong thread_cache_size=0;
 ulong binlog_cache_size=0;
 ulonglong  max_binlog_cache_size=0;
+ulong slave_max_allowed_packet= 0;
 ulong binlog_stmt_cache_size=0;
 ulonglong  max_binlog_stmt_cache_size=0;
 ulong query_cache_size=0;
--- a/sql/mysqld.h
+++ b/sql/mysqld.h
@ -179,6 +179,7 @@ extern ulong open_files_limit;
 extern ulong binlog_cache_size, binlog_stmt_cache_size;
 extern ulonglong max_binlog_cache_size, max_binlog_stmt_cache_size;
 extern ulong max_binlog_size, max_relay_log_size;
+extern ulong slave_max_allowed_packet;
 extern ulong opt_binlog_rows_event_max_size;
 extern ulong rpl_recovery_rank, thread_cache_size;
 extern ulong stored_program_cache_size;
--- a/sql/slave.cc
+++ b/sql/slave.cc
@ -2077,8 +2077,7 @@ static int init_slave_thread(THD* thd, SLAVE_THD_TYPE thd_type)
  slave threads, since a replication event can become this much larger
  than the corresponding packet (query) sent from client to master.
 */
-  thd->variables.max_allowed_packet= global_system_variables.max_allowed_packet
-    + MAX_LOG_EVENT_HEADER;  /* note, incr over the global not session var */
+  thd->variables.max_allowed_packet= slave_max_allowed_packet;
  thd->slave_thread = 1;
  thd->enable_slow_log= opt_log_slow_slave_statements;
  set_slave_thread_options(thd);
@ -2834,6 +2833,7 @@ pthread_handler_t handle_slave_io(void *arg)
    thread, since a replication event can become this much larger than
    the corresponding packet (query) sent from client to master.
  */
+    thd->net.max_packet_size= slave_max_allowed_packet;
    mysql->net.max_packet_size= thd->net.max_packet_size+= MAX_LOG_EVENT_HEADER;
  }
  else
@ -2966,12 +2966,12 @@ reading event"))
        switch (mysql_error_number) {
        case CR_NET_PACKET_TOO_LARGE:
          sql_print_error("\
-Log entry on master is longer than max_allowed_packet (%ld) on \
+Log entry on master is longer than slave_max_allowed_packet (%lu) on \
 slave. If the entry is correct, restart the server with a higher value of \
-max_allowed_packet",
-                          thd->variables.max_allowed_packet);
+slave_max_allowed_packet",
+                         slave_max_allowed_packet);
          mi->report(ERROR_LEVEL, ER_NET_PACKET_TOO_LARGE,
-                     "%s", ER(ER_NET_PACKET_TOO_LARGE));
+                     "%s", "Got a packet bigger than 'slave_max_allowed_packet' bytes");
          goto err;
        case ER_MASTER_FATAL_ERROR_READING_BINLOG:
          mi->report(ERROR_LEVEL, ER_MASTER_FATAL_ERROR_READING_BINLOG,
--- a/sql/sql_repl.cc
+++ b/sql/sql_repl.cc
@ -588,7 +588,7 @@ impossible position";
    this larger than the corresponding packet (query) sent 
    from client to master.
  */
-  thd->variables.max_allowed_packet+= MAX_LOG_EVENT_HEADER;
+  thd->variables.max_allowed_packet= MAX_MAX_ALLOWED_PACKET;

  /*
    We can set log_lock now, it does not move (it's a member of
--- a/sql/sys_vars.cc
+++ b/sql/sys_vars.cc
@ -45,6 +45,7 @@
 #include "derror.h"  // read_texts
 #include "sql_base.h"                           // close_cached_tables

+#include "log_event.h"
 #ifdef WITH_PERFSCHEMA_STORAGE_ENGINE
 #include "../storage/perfschema/pfs_server.h"
 #endif /* WITH_PERFSCHEMA_STORAGE_ENGINE */
@ -1131,6 +1132,14 @@ static Sys_var_ulong Sys_max_allowed_packet(
       BLOCK_SIZE(1024), NO_MUTEX_GUARD, NOT_IN_BINLOG,
       ON_CHECK(check_max_allowed_packet));

+static Sys_var_ulong Sys_slave_max_allowed_packet(
+       "slave_max_allowed_packet",
+       "The maximum packet length to sent successfully from the master to slave.",
+       GLOBAL_VAR(slave_max_allowed_packet), CMD_LINE(REQUIRED_ARG),
+       VALID_RANGE(1024, MAX_MAX_ALLOWED_PACKET),
+       DEFAULT(MAX_MAX_ALLOWED_PACKET),
+       BLOCK_SIZE(1024));
+
 static Sys_var_ulonglong Sys_max_binlog_cache_size(
       "max_binlog_cache_size",
       "Sets the total size of the transactional cache",