mysql启动报错

1、service mysqld start 启动mysql

Redirecting to /bin/systemctl start mysqld.service

Job for mysqld.service failemysql增删改查语句d because the control pr数据库有哪几种ocess exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

通过systemctl s数据库系统概论tatus mys当前目录用什么表示qld.ser7zip怎么解压文件vice 或者 journalctl -xe命令查看具体报错原因

mysql的配置文件地址vim /etc/my.数据库系统的核心是cnf 查看日志文件具体地址

log-error=/var/log/mysqld.log,我的日志是存在这了,数据库有哪几种打开日志看个究竟。

最后面能看到这么一大坨的东西,看下日志时间相差了8小时,这是因为我没有去配置时区,当然这个不是重点。

2019-05-15T01:08:24.687z2793Z 0 [Note] Shutting dow7zip怎么解压文件n plugin 'INNODB_CMP_PER_INDEX'

2019-05-15T01:08:24.682795Z 0 [Note] Shutting down plugin 'INNODB_C7zip怎么解压文件MPMEM_RESET'

2019-05-15T01:7zip08:24.682797Z 0 [Note] Shutting down plugin 'INNODB_CMPMEM'

2019-05-15T01:08:24.682799Z 0 [Note] Shutting down plugin 'INNODB_7坐面包车怎么合法拉货CMP_RESET'

2019-05-15T01:08:24.682800Z 0 [Note] Shutting down plugin 'INNODB_CMP'

2019-05-15T01:08:24.682802Z 0 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'

2019-05-15T01:08:27zip怎么解压文件4.682804Z 0 [Note] Shutting downmysql怎么读 plugin 'INNODB_LOCKS'

201mysql索引9-05-15T01:08:24.682806Z 0 [Note] Shutting down plugin 'INNODB_TRX'

2019-05-15T01:08:24.6827z解压807当前目录用什么表示Z 0 [Note] Shutting down数据库系统概论第五版课后答案 plugin 'InnoDB'

2019-05-15T01:08:24.684767Z 0 [Note] InnoDB: FTS optimize thread exiting.

2019-05-15T01:08:24.684mysql安装867Z 0 [Note] InnoDB: Loading buffer pool(s) from /va当前目录不是梦幻西游online目录r/lib/mysql/ib_bu7z解压软件ffer_pool

2019-05-15T01:08:24.684972Z 0 [Note] InnoDB: Buffer pool(s) load completed at 190515 9:08:24

2019-05-15T01:08:24.685009Z 0 [Note] InnoDB: Starting shutdown...

2019-05-15T01:08:24mysql增删改查语句.785342Z 0 [Note] InnoDB: Dumpin7zip怎么解压文件g buffer pool(s) to /v查看当前目录ar/lib/mysql/ib_buffer_pool

2019-05-15T01:08:24.785563Z 0 [Note] InnoDB: Buffer pool(s) dump completed当前目录用什么表示 at 190515 9:08:27z4

里面也没啥关键信息,这么多看起来贼烦,我们来过滤下。

执行 tail -n500 /当前目录var/log/mysqld.log|grep -E 'Warn数据库有哪几种ing|ERROR'

2019-05-15T01:12:38.9数据库系统概论第五版课后答案34502Z 0 [ERROR] unknown variable 'binlog_fromat数据库系统的特点=mixed'

2019-05-15T01:12:38.934522Z 0 [ERROR] Aborting

2019-05-15T01:1当前目录不是梦幻西游online目录2:40.984590Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (smysql增删改查语句ee documentation for more details).

2019-05-15T01:12:41.188849Z 0 [ERROR] unknown variable 'binlog_fromat7zip怎么解压文件=mixed'

2019-05-15T01:12:41.188873Z 0 [ERROR] Aborting

2019-05-15T01:12:43.228937Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecat7z文件手机怎么解压ed. Please use --explicit_d7座suvefaults_for_timestamp server option (see documentati数据库有哪几种on for7座suv more details).

2019-05-15T01:12:43.431933Z 0 [ERROR] unknown variable 'binlo7zipg_fromat=mixed'

2019-05-157战9断是什么意思T01:12:43.431951Z 0 [ERROR] Aborting

到这里就很明显能看出问数据库软件题了数据库原理,提示未知参数,我们的英文单词拼错了。你问我怎么会敲数据库系统的核心是错的,因为是信了网上亲测可用的这些帖子的邪了。这要是可用我把小牛子都给你揪下来。

2、我的问题是磁盘不足


                                            mysql启动报错

3、通过du -sh *|sort -n 查看当前目录磁盘占用情况,处理磁盘不足问题