mysql 5.5 主从复制，导致主的cpu占用率超高

[小伙闯天下]

CPU占比260%，麻烦各位大神帮忙看看，mysql配置是5.5

主
mysql.cnf

[mysqld]
server_id = 1001
log_bin = /var/log/mysql/mysql-bin.log
max_binlog_size = 1G
binlog_format = row
innodb-file-per-table =ON
skip_name_resolve=ON