如何进行MySQL数据库mysql

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如何进行 MySQL 数据库 mysql-bin 日志的管理与维护，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

在 Mysql 中，如果启用 mysql-bin 日志记录，则 Mysql 的变更修改都会被记录到日志文件中：

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13mysql show global variables like lsquo;%bin% rsquo;; + mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; mdash; mdash; mdash; mdash;-+ | Variable_name  | Value  | + mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; mdash; mdash; mdash; mdash;-+ | binlog_cache_size  | 32768  | | innodb_locks_unsafe_for_binlog  | OFF  | | log_bin  | ON  | | log_bin_trust_function_creators | OFF  | | max_binlog_cache_size  | 18446744073709547520 | | max_binlog_size  | 104857600  | | sync_binlog  | 0  | + mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; mdash; mdash; mdash; mdash;-+ 7 rows in set (0.00 sec)

如果使用了配置文件，则可以修改 /etc/my.cnf 把里面的 log-bin 这一行注释掉，重启 mysql 服务即可关闭 bin 日志的记录。

一个客户的数据库，积累了大量的 bin 日志：

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246mysql show binary logs; + mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; ndash;+ | Log_name  | File_size | + mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; ndash;+ | mysql-bin.000064 |  3175623 | | mysql-bin.000065 | 104857696 | | mysql-bin.000066 |  30124812 | | mysql-bin.000067 | 104857882 | | mysql-bin.000068 | 104857829 | | mysql-bin.000069 | 104857910 | | mysql-bin.000070 |  29627738 | | mysql-bin.000071 | 104857777 | | mysql-bin.000072 | 104857857 | | mysql-bin.000073 | 104857728 | | mysql-bin.000074 | 104857739 | | mysql-bin.000075 | 104857775 | | mysql-bin.000076 | 104857686 | | mysql-bin.000077 | 104857875 | | mysql-bin.000078 | 104857927 | | mysql-bin.000079 | 104857827 | | mysql-bin.000080 | 104857856 | | mysql-bin.000081 | 104857762 | | mysql-bin.000082 | 104857797 | | mysql-bin.000083 | 104857860 | | mysql-bin.000084 | 104857751 | | mysql-bin.000085 | 104857925 | | mysql-bin.000086 | 104857791 | | mysql-bin.000087 | 104857838 | | mysql-bin.000088 | 104857749 | | mysql-bin.000089 | 104857836 | | mysql-bin.000090 | 104857988 | | mysql-bin.000091 | 104857807 | | mysql-bin.000092 | 104857691 | | mysql-bin.000093 | 104857834 | | mysql-bin.000094 | 104857647 | | mysql-bin.000095 | 104857814 | | mysql-bin.000096 | 104857830 | | mysql-bin.000097 | 104858049 | | mysql-bin.000098 | 104857862 | | mysql-bin.000099 | 104858089 | | mysql-bin.000100 | 104857760 | | mysql-bin.000101 | 104857650 | | mysql-bin.000102 | 104857794 | | mysql-bin.000103 | 104857656 | | mysql-bin.000104 | 104857961 | | mysql-bin.000105 | 104857725 | | mysql-bin.000106 | 104857804 | | mysql-bin.000107 | 104857925 | | mysql-bin.000108 | 104857717 | | mysql-bin.000109 | 104857678 | | mysql-bin.000110 | 104857675 | | mysql-bin.000111 | 104857897 | | mysql-bin.000112 | 104857947 | | mysql-bin.000113 | 104857651 | | mysql-bin.000114 | 104858066 | | mysql-bin.000115 | 104857766 | | mysql-bin.000116 | 104857719 | | mysql-bin.000117 | 104857732 | | mysql-bin.000118 | 104857733 | | mysql-bin.000119 | 104857814 | | mysql-bin.000120 | 104857763 | | mysql-bin.000121 | 104857680 | | mysql-bin.000122 | 104857742 | | mysql-bin.000123 | 104858011 | | mysql-bin.000124 | 104857708 | | mysql-bin.000125 | 104857821 | | mysql-bin.000126 | 104857877 | | mysql-bin.000127 | 104857735 | | mysql-bin.000128 | 104857781 | | mysql-bin.000129 | 104857743 | | mysql-bin.000130 | 104857858 | | mysql-bin.000131 | 104857860 | | mysql-bin.000132 | 104857809 | | mysql-bin.000133 | 104857711 | | mysql-bin.000134 | 104857744 | | mysql-bin.000135 | 104857802 | | mysql-bin.000136 | 104857672 | | mysql-bin.000137 | 104857933 | | mysql-bin.000138 | 104857758 | | mysql-bin.000139 | 104857657 | | mysql-bin.000140 | 104857664 | | mysql-bin.000141 | 104857715 | | mysql-bin.000142 | 104857881 | | mysql-bin.000143 | 104857958 | | mysql-bin.000144 | 104857917 | | mysql-bin.000145 | 104857771 | | mysql-bin.000146 | 104857731 | | mysql-bin.000147 | 104857770 | | mysql-bin.000148 | 104857864 | | mysql-bin.000149 | 104857726 | | mysql-bin.000150 | 104857885 | | mysql-bin.000151 | 104857817 | | mysql-bin.000152 | 104857909 | | mysql-bin.000153 | 104857665 | | mysql-bin.000154 | 104857647 | | mysql-bin.000155 | 104857880 | | mysql-bin.000156 | 104858010 | | mysql-bin.000157 | 104857821 | | mysql-bin.000158 | 104857649 | | mysql-bin.000159 | 104857930 | | mysql-bin.000160 | 104857856 | | mysql-bin.000161 | 104857673 | | mysql-bin.000162 | 104857969 | | mysql-bin.000163 | 104857848 | | mysql-bin.000164 | 104857656 | | mysql-bin.000165 | 104857721 | | mysql-bin.000166 | 104857758 | | mysql-bin.000167 | 104857934 | | mysql-bin.000168 | 104857753 | | mysql-bin.000169 | 104857833 | | mysql-bin.000170 | 104858059 | | mysql-bin.000171 | 104857766 | | mysql-bin.000172 | 104857865 | | mysql-bin.000173 | 104857741 | | mysql-bin.000174 | 104857922 | | mysql-bin.000175 | 104857776 | | mysql-bin.000176 | 104857720 | | mysql-bin.000177 | 104857647 | | mysql-bin.000178 | 104857977 | | mysql-bin.000179 | 104857736 | | mysql-bin.000180 | 104857725 | | mysql-bin.000181 | 104857883 | | mysql-bin.000182 | 104857810 | | mysql-bin.000183 | 104857707 | | mysql-bin.000184 | 104857799 | | mysql-bin.000185 | 104857977 | | mysql-bin.000186 | 104857804 | | mysql-bin.000187 | 104857861 | | mysql-bin.000188 | 104857665 | | mysql-bin.000189 | 104857872 | | mysql-bin.000190 | 104857870 | | mysql-bin.000191 | 104857891 | | mysql-bin.000192 | 104857742 | | mysql-bin.000193 | 104857830 | | mysql-bin.000194 | 104857873 | | mysql-bin.000195 | 104857750 | | mysql-bin.000196 | 104857669 | | mysql-bin.000197 | 104857867 | | mysql-bin.000198 | 104857702 | | mysql-bin.000199 | 104857974 | | mysql-bin.000200 | 104857866 | | mysql-bin.000201 | 104857742 | | mysql-bin.000202 | 104857688 | | mysql-bin.000203 | 104857654 | | mysql-bin.000204 | 104857895 | | mysql-bin.000205 | 104857709 | | mysql-bin.000206 | 104857922 | | mysql-bin.000207 | 104858019 | | mysql-bin.000208 | 104857790 | | mysql-bin.000209 | 104857655 | | mysql-bin.000210 | 104857996 | | mysql-bin.000211 | 104857956 | | mysql-bin.000212 | 104857659 | | mysql-bin.000213 | 104857835 | | mysql-bin.000214 | 104857643 | | mysql-bin.000215 | 104857999 | | mysql-bin.000216 | 104857770 | | mysql-bin.000217 | 104857672 | | mysql-bin.000218 | 104857753 | | mysql-bin.000219 | 104857795 | | mysql-bin.000220 | 104858032 | | mysql-bin.000221 | 104857861 | | mysql-bin.000222 | 104857896 | | mysql-bin.000223 | 104857694 | | mysql-bin.000224 | 104857747 | | mysql-bin.000225 | 104857861 | | mysql-bin.000226 | 104857783 | | mysql-bin.000227 | 104857680 | | mysql-bin.000228 | 104857882 | | mysql-bin.000229 | 104857688 | | mysql-bin.000230 | 104857756 | | mysql-bin.000231 | 104857744 | | mysql-bin.000232 | 104857759 | | mysql-bin.000233 | 104857794 | | mysql-bin.000234 | 104857863 | | mysql-bin.000235 | 104858031 | | mysql-bin.000236 | 104857902 | | mysql-bin.000237 | 104857715 | | mysql-bin.000238 | 104857746 | | mysql-bin.000239 | 104857839 | | mysql-bin.000240 | 104857845 | | mysql-bin.000241 | 104857771 | | mysql-bin.000242 | 104857692 | | mysql-bin.000243 | 104857806 | | mysql-bin.000244 | 104857927 | | mysql-bin.000245 | 104857729 | | mysql-bin.000246 | 104857961 | | mysql-bin.000247 | 104857687 | | mysql-bin.000248 | 104857872 | | mysql-bin.000249 | 104857881 | | mysql-bin.000250 | 104858045 | | mysql-bin.000251 | 104857817 | | mysql-bin.000252 | 104857901 | | mysql-bin.000253 | 104858075 | | mysql-bin.000254 | 104857730 | | mysql-bin.000255 | 104857756 | | mysql-bin.000256 | 104857927 | | mysql-bin.000257 | 104857892 | | mysql-bin.000258 | 104857738 | | mysql-bin.000259 | 104857914 | | mysql-bin.000260 | 104857774 | | mysql-bin.000261 | 104857892 | | mysql-bin.000262 | 104857941 | | mysql-bin.000263 | 104857845 | | mysql-bin.000264 | 104857732 | | mysql-bin.000265 | 104857881 | | mysql-bin.000266 | 104857782 | | mysql-bin.000267 | 104857927 | | mysql-bin.000268 | 104857881 | | mysql-bin.000269 | 104857791 | | mysql-bin.000270 | 104857749 | | mysql-bin.000271 | 104857777 | | mysql-bin.000272 | 104857879 | | mysql-bin.000273 | 104857767 | | mysql-bin.000274 | 104858094 | | mysql-bin.000275 | 104858023 | | mysql-bin.000276 | 104857726 | | mysql-bin.000277 | 104857810 | | mysql-bin.000278 | 104857868 | | mysql-bin.000279 | 104857861 | | mysql-bin.000280 | 104857695 | | mysql-bin.000281 | 104857974 | | mysql-bin.000282 | 104857873 | | mysql-bin.000283 | 104857787 | | mysql-bin.000284 | 104857778 | | mysql-bin.000285 | 104857901 | | mysql-bin.000286 | 104857999 | | mysql-bin.000287 | 104857860 | | mysql-bin.000288 | 104857698 | | mysql-bin.000289 | 104857773 | | mysql-bin.000290 | 104857751 | | mysql-bin.000291 | 104857741 | | mysql-bin.000292 | 104857926 | | mysql-bin.000293 | 104857693 | | mysql-bin.000294 | 104857684 | | mysql-bin.000295 | 104857892 | | mysql-bin.000296 | 104857697 | | mysql-bin.000297 | 104857985 | | mysql-bin.000298 | 104857656 | | mysql-bin.000299 | 104857683 | | mysql-bin.000300 | 104857695 | | mysql-bin.000301 | 104857646 | | mysql-bin.000302 | 104857812 | | mysql-bin.000303 |  92771646 | + mdash; mdash; mdash; mdash; mdash; mdash;+ mdash; mdash; mdash; ndash;+ 240 rows in set (0.00 sec)

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