Problematic my.cnf for Master

[mysqld]

# *** configuration options

port=3306

datadir=/var/lib/mysql
tmpdir=mysqltmp
pid-file=mysqld.pid
log-error=mysqld_error.log
socket=mysql.sock


skip-name-resolve


ndbcluster


ndb-connectstring=172.16.101.252:1186


ndb_use_exact_count=0


ndb_index_stat_enable=0



ndb_force_send=1


engine_condition_pushdown=1

log_warnings

wait_timeout=600


# ***  Replication related settings

server-id=1

skip-slave-start

log-slave-updates

slave-skip-errors=1062,1060,1141,1146,1206,1592


log-bin=/var/lib/mysql/mysql-bin

relay-log = /var/log/mysql/relay-bin

binlog_format=mixed


# ***  Generic performance options

group_concat_max_len = 1000000

max_allowed_packet = 1G


back_log = 50


max_connections = 450


max_connect_errors = 10


table_cache = 1024


table_open_cache = 64

binlog_cache_size = 1M


max_heap_table_size = 64M

sort_buffer_size = 8M

join_buffer_size = 8M

thread_cache_size = 10

query_cache_size = 1G

query_cache_limit = 20M

thread_stack = 192K

tmp_table_size = 962M

#*** MyISAM Specific options

key_buffer_size = 16M

read_buffer_size = 256K

read_rnd_buffer_size = 512K

bulk_insert_buffer_size = 64M

myisam_sort_buffer_size = 512K

myisam_max_sort_file_size = 10G

myisam_repair_threads = 1


net_buffer_length = 8K

# *** INNODB Specific options ***

innodb_file_per_table

innodb_additional_mem_pool_size = 2M

innodb_buffer_pool_size = 16M

innodb_read_io_threads = 4

innodb_thread_concurrency = 16

innodb_flush_log_at_trx_commit = 1

innodb_log_buffer_size = 8M

innodb_log_file_size = 256M

innodb_log_files_in_group = 3

innodb_log_group_home_dir=/var/lib/mysql/innodb

innodb_max_dirty_pages_pct = 90

innodb_table_locks = 1

innodb_lock_wait_timeout = 120

innodb_data_home_dir = /var/lib/mysql/innodb



[mysqldump]

quick

max_allowed_packet = 16M

[mysql]

no-auto-rehash

[mysql_cluster]

ndb-connectstring=172.16.101.252:1186


[myisamchk]
key_buffer = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]

interactive-timeout

[mysql.server]
user=mysql

[mysqld_safe]

open-files-limit = 8192
err-log=/var/log/mysql/mysqld_error.log
pid-file=mysqld.pid