解决方法：
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: K% D& E3 L9 o8 _2 i, R: c! U" K! G修改MySQL数据库配置文件etc/my.cnf
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在[mysqld]最下面添加
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# For advice on how to change settings please see
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http://dev.mysql.com/doc/refman/5.6/en/server-configuration-defaults.html
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# Remove leading # and set to the amount of RAM for the most important data
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# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
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# innodb_buffer_pool_size = 128M
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# Remove leading # to turn on a very important data integrity option:
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logging
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# changes to the binary log between backups.
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# log_bin
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#
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# Remove leading # to set options mainly useful for reporting servers.
# F/ t; V! O2 T& D s: R# The server defaults are faster for transactions and fast SELECTs.
7 L8 k: l$ R' D# Adjust sizes as needed, experiment to find the optimal values.
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# join_buffer_size = 128M
1 T. N! B! e: @* F; y' i5 j1 g( Y# sort_buffer_size = 2M
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# read_rnd_buffer_size = 2M
( w: w# O7 C7 A* j7 E ?& k" l8 Qdatadir=/var/lib/mysql s
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ocket=/var/lib/mysql/mysql.sock
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# Disabling symbolic-links is recommended to prevent
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assorted security risks
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symbolic-links=0
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# Recommended in standard MySQL setup
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#sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
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max_allowed_packet = 32M
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max_connect_errors = 2000
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[mysqld_safe]
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( q G U9 y" ^. apid-file=/var/run/mysqld/mysqld.pid
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然后重启MySQL服务
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$ c% T' A/ c% b4 e* kservice mysqld restart
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