MYSQL 连接数过多造成挂掉

MYSQL 配置文件

写道

user = mysql
port = 3306
socket = /tmp/mysql.sock
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
open_files_limit = 3072
back_log = 200
max_connections = 600
max_connect_errors = 512
table_cache = 307
external-locking = FALSE
#max_allowed_packet = 512M
sort_buffer_size = 2M
join_buffer_size = 2M
thread_cache_size = 26
thread_concurrency = 8
query_cache_size = 512M
query_cache_limit = 2M
#query_cache_min_res_unit = 2k
default_table_type = MyISAM
thread_stack = 192K
transaction_isolation = READ-COMMITTED
tmp_table_size = 61M
max_heap_table_size = 61M
#/usr/local/mysql/data/slow.log
#/usr/local/mysql/data/error.log
#long_query_time = 1
#log-slow-queries = /web/mysql-slow.log
log_long_format
server-id = 1
log-bin = /usr/local/mysql/data/binlog
binlog_cache_size = 4M
max_binlog_cache_size = 8M
max_binlog_size = 512M
#expire_logs_days = 3
key_buffer_size = 1024M
read_buffer_size = 4M
read_rnd_buffer_size = 16M
bulk_insert_buffer_size = 64M
myisam_sort_buffer_size = 512M
myisam_max_sort_file_size = 10G
myisam_max_extra_sort_file_size = 10G
myisam_repair_threads = 1
myisam_recover
wait-timeout = 150
interactive-timeout = 250
skip-locking
skip-name-resolve

我的myslq设置