my mysql configuration

my.cnf

[client]
port            = 3306
socket          = /var/run/mysqld/mysqld.sock

[mysqld_safe]
socket          = /var/run/mysqld/mysqld.sock
nice            = 0

[mysqld]
collation-server = utf8_unicode_ci
init-connect = 'SET NAMES utf8'
character-set-server = utf8
federated
event_scheduler=ON

port            = 3306

# * Fine Tuning
key_buffer              = 384M
max_allowed_packet      = 64M
join_buffer_size        = 75M
read_buffer_size        = 1M
sort_buffer_size        = 2M

thread_stack            = 192K
thread_cache_size       = 384
myisam-recover         = BACKUP
max_connections        = 3000
table_cache            = 2K
wait_timeout    = 5200
connect_timeout = 10
tmp_table_size  = 92M
interactive_timeout = 2400

#thread_concurrency     = 10
#
# * Query Cache Configuration
#
query_cache_type        = 1
query_cache_limit       = 4M
query_cache_size        = 128M
query_prealloc_size     = 65536
query_alloc_block_size  = 131072

log-queries-not-using-indexes = 0

# * InnoDB
#
# InnoDB is enabled by default with a 10MB datafile in /var/lib/mysql/.
# Read the manual for more InnoDB related options. There are many!
#
# * Security Features
#
innodb_flush_method=O_DIRECT
innodb_thread_concurrency=2
innodb_buffer_pool_instances=4
innodb_buffer_pool_size = 5G

[mysqldump]
quick
quote-names
max_allowed_packet = 16M

[myisamchk]
key_buffer              = 64M
sort_buffer             = 64M
read_buffer             = 16M
write_buffer            = 16M