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以“我最喜欢的运动跑步”写英语作文120字
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There are many kinds of sports that I enjoy, such as swimming, basketball,travelling and so on. However, my favorite sport is running.In my mind,it is a good activities for people to keep healthy and relieve the pressure. After busy studying,i usually run on the playground,and i think that's the most wonderful time in a day.I love this sport since i'm 4,but at that time i only run for fun without any purpose.It's different now.Running has become a essential part in my life.I love running,and i 'll keep running.
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&当前页面。1209 - The MySQL server is running with the --read-only option so it cannot execute this statement
正在开会，同事电话反映开发库不能写入了，错误信息如下：
1209 - The MySQL server is running with the--read-only option so it cannot execute this statement
一般这个错误有两种原因：
1.连到从库了。从库一般设置为只读。
2.主库的read_only参数被修改为1
开发人员是普通用户应该没有权限修改这个参数的值。
DBA也不会去主动修改这个参数。那究竟是什么原因导致开发库不能写入了呢？
首先确认了不是开发人员的问题，因为部门的200多位研发都遇到了这个问题。
为了先解决问题，先去查询主库上read_only参数的值。果然read_only被设置为1.
手工修改为0后，问题解决。问题是read_only为什么会设置为1呢？
解决步骤如下：
mysql& select @@read_
+-------------+
| @@read_only |
+-------------+
+-------------+
1 row in set (0.00 sec)
mysql& set global read_only=0;
Query OK, 0 rows affected (0.00 sec)
检查mysql的错误日志发现有如下信息：
:55:11 mysqld_safe Number ofprocesses running now: 0
:55:11 mysqld_safe mysqldrestarted
由此可知MySQL发生了重启。重启的原因是什么呢？
检查了系统日志,发现了如下错误：
#tail -100f /var/log/message
Dec 31 13:55:11 mysql2dev kernel: [8680]
Dec 31 13:55:11 mysql2dev kernel: Out ofmemory: Kill process 12805 (mysqld) score 964 or sacrifice child
Dec 31 13:55:11 mysql2dev kernel: Killedprocess 12805, UID 500, (mysqld) total-vm:kB, anon-rss:7870704kB,file-rss:16kB
Dec 31 13:55:11 mysql2dev kernel: rsyslogdinvoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
Dec 31 13:55:11 mysql2dev kernel: rsyslogdcpuset=/ mems_allowed=0-1
Dec 31 13:55:11 mysql2dev kernel: Pid:21035, comm: rsyslogd Not tainted 2.6.32-358.el6.x86_64 #1
Dec 31 13:55:11 mysql2dev kernel: CallTrace:
由这条错误可知，是由于内存溢出导致了mysql的重启
Out of memory: Kill process 12805 (mysqld)score 964 or sacrifice child
那是什么导致了内存溢出呢？
查看了系统的历史命令后发现有同事在做备份，而此时的系统的压力又比较大，且次系统没有设置交换分区，以上原因导致了MySQL的重启。
为什么重启会导致read_only=1呢? 可能是配置文件中设置了read_only ，检查配置文件
#grep read_only my.cnf
这时开发环境突然不能写入的原因终于水落石出了。
你可能会问，主库为什么设置read_only=on呢，因为原来是一个MMM环境。
现在已经把MMM环境摘掉，所以将配置文件中的read_only 设置为0，至此开发库不能写入问题宣告解决。
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英语语法填空 running is free . it is easy and now
我有更好的答案
running is free . it is easy and now跑步是免费的。现在很容易 running is free . it is easy and now跑步是免费的。现在很容易
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我们会通过消息、邮箱等方式尽快将举报结果通知您。我喜欢跑步用英语怎么说
我喜欢跑步用英语怎么说I LIKE RUN?
I like running.或I like to run.或I enjoy running.或I perfer to run.或I have fun in running等等
我有更好的回答：
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