key_buffer             = 384M
max_allowed_packet     = 16M
thread_stack           = 128K
thread_cache_size      = 32
max_connections        = 400
read_buffer_size       = 128K
read_rnd_buffer_size   = 8M
table_cache            = 1024
thread_concurrency     = 32
back_log               = 128
open_files_limit       = 4096
tmp_table_size         = 512M
max_heap_table_size    = 512M
sort_buffer_size       = 8M
myisam_sort_buffer_size = 64M
join_buffer_size       = 8M
query_cache_limit       = 1M
query_cache_size        = 128M
innodb_buffer_pool_size         = 512M
innodb_additional_mem_pool_size = 20M
innodb_log_file_size            = 64M
innodb_log_buffer_size          = 8M
innodb_file_per_table

innodb_flush_log_at_trx_commit=2
innodb_lock_wait_timeout=50
innodb_thread_concurrency=8