InnoDB: mmap(137363456 bytes) failed; errno 12

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本文介绍了解决InnoDB数据库出现mmap失败的问题方法，通过调整my.cnf配置文件中的innodb_buffer_pool_size参数为8M来修复errno12错误。
InnoDB: Cannot allocate memory for the buffer pool
LDC，公众号【轻松学编程】
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Ubuntu下MySQL启动失败 Failed to start MySQL Community Server mysql.service: Start request repeated too quickly Can't connect to MySQL server on '127.0.0.1' (111) InnoDB: Cannot allocate memory for the buffer pool See "systemctl status mysql.service" and "journa
记Cassandra的OOM问题分析和解决（mmap failed）
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背景 公司业务中使用到Cassandra，笔者在自运维过程中频繁遇到Cassandra进程定期OOM问题。问题截图如下： 此Cassandra集群共10台机器，每台机器都是固定大概10天左右会出现一次OOM，业务中是通过定时任务启动guard脚本在发现进程失败后马上重启进程保证了业务正常（Cassandra数据与副本，短暂的1台机器进程失败不会导致业务损失）。但这么解决终究不是办法，因此开启了长时间的OOM排查（由于10天才出现一次，各种调整等测试时间跨度都很大，大概用了1个Q才完整彻底确认有效的调整方案
mysql errno 12_InnoDB: mmap(137363456 bytes) failed; errno 12 故障解决
weixin_42601702的博客
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错误提示160330 12:32:28 mysqld_safe Starting mysqld daemon with databases from /www/wdlinux/mysql/var160330 12:32:28 InnoDB: The InnoDB memory heap is disabled160330 12:32:28 InnoDB: Mutexes and rw_locks ...
InnoDB: mmap(2197815296 bytes) failed; errno 12
Data & Analysis
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一般情况下mysql的启动错误还是很容易排查的，但是今天我们就来说一下不一般的情况。拿到一台服务器，安装完mysql后进行启动，启动错误如下： 有同学会说，哥们儿你是不是buffer pool设置太大了，设置了96G内存。这明显提示无法分配内存嘛。如果真是这样也就不在这里进行分享了，哈哈。 我的服务器内存是128G。如下图： 服务器内存使用情况： 那么问题来了，既然还剩如此...
centos下mysql死掉 mmap(137363456 bytes) failed errno 12 Aborting解决方法
这么多柠檬c
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在崩掉之前持续运行了，好几个月。突然间发现MySQL服务不在了，这个时候检查MySQL的错误日志。 发现如下 2020-06-23T21:37:58.184459Z 0 [ERROR] [MY-012681] [InnoDB] mmap(137363456 bytes) failed; errno 12 2020-06-23T21:37:58.190033Z 1 [ERROR] [MY-012956] [InnoDB] Cannot allocate memory for the buffe.
mysql之启动失败（InnoDB: mmap(137363456 bytes) failed; errno 12）
Eflyings的博客
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软件版本 linux版本：cat /etc/redhat-release CentOS release 6.9 (Final) mysql版本：SELECT VERSION(); mysql5.6.44 问题描述 linux系统下启动mysql数据库失败： [root@iZ8vb32fixtn mysql]# /etc/init.d/mysqld start Starti...
Mysql启动失败：InnoDB: mmap(137428992 bytes) failed； errno 12
1900的博客
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aiiyx.cn
mysql 8.0 + mmap(137428992 bytes) failed； errno 12
ycsdn10的博客
12-15 923
一、安装8.0.13过程 linux 下载 安装 mysql 8.0+ (tar.xz)_ycsdn10的博客-优快云博客 二、主从配置产生问题 mysql 8.0.13在进行主从配置的时候，发现没有my.cnf,从网上找了创建了文件 /etc/my.cnf，然后发现启动报错 在对应data下有一个xxx.err文件，cat xxx.err 打开后可以看到报错日志 内容是： 2021-12-15T23:11:36.106520+0...
MySQL 报错InnoDB: Cannot allocate memory for the buffer poo处理方法
u013083541的博客
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2019-04-24T06:53:57.726704Z 0 [ERROR] InnoDB: mmap(137428992 bytes) failed; errno 12 2019-04-24T06:53:57.726719Z 0 [ERROR] InnoDB: Cannot allocate memory for the buffer pool 2019-04-24T06:53:57.726727...
mysql8.0.27+以上版本大家有设置大页成功的？ /etc/my.cnf #启用大页 large_pages 设置后日志一直启动提示 errno 12 oot@debian12:~# sudo truncate -s 0 /var/log/mysql/error.logroot@debian12:~# sudo sh -c '> /var/log/mysql/error.log'root@debian12:~# sudo systemctl restart mysqlroot@debian12:~# sudo pmap -x $(pgrep mysqld) | grep -i huge00007fbab7800000 135168 0 0 rw--- anon_hugepage (deleted)00007fbabfc00000 135168 0 0 rw--- anon_hugepage (deleted)root@debian12:~# sudo grep -a -i "huge\|large" /var/log/mysql/error.log2025-09-20T02:28:48.277143Z 0 [Warning] [MY-012681] [InnoDB] large_page_aligned_alloc mmap(138412032 bytes) failed; errno 122025-09-20T02:28:48.288910Z 0 [Warning] [MY-012681] [InnoDB] large_page_aligned_alloc mmap(138412032 bytes) failed; errno 12
09-22
errno 12 错误通常表示“Cannot allocate memory”（无法分配内存），在 MySQL 8.0.27+ 版本中设置 large_pages 后启动日志提示 errno 12 可能有以下几种解决办法： ### 检查大页内存是否足够 大页内存的分配需要...
mysql - 启动错误InnoDB: mmap(137363456 bytes) failed; errno 12
so
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原因是内存不够用 这个其实日志里面说的很明白就是 mysql要占用内存的时候 物理内存不够用导致的 所有 vim /etc/my.cnf [inonodb] innodb_buffer_pool_size=64MB  把这个数值改小 高版本的默认是128mb  版本的默认是8Mb...
Linux下mysql进程死掉,InnoDB: mmap(137363456 bytes) failed; errno 12解决方法
浮华饰浮华的博客
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这个问题一直困扰了我很久,在网上查找了很多资料一直没解决我的问题,mysql卸载一次又装一次还是会有这个问题. 问题还原:mysql启动时是SUCCESS!但是过了一段时间,进程就死掉了,远程连接失败,重启mysql会报错,错误信息如下: Starting MySQL../usr/local/mysql//bin/mysqld_safe: line 166: 9086 Killed ...
mysql启动报InnoDB: mmap(137363456 bytes) failed; errno 12这类的错误
咖啡程序员
03-13 2644
详细报错如下 InnoDB: mmap(137363456 bytes) failed; errno 12 2019-03-13 09:06:25 79498 [ERROR] InnoDB: Cannot allocate memory for the buffer pool 2019-03-13 09:06:25 79498 [ERROR] Plugin 'InnoDB' init func...
InnoDB: mmap(137363456 bytes) failed； errno 12 解决mysql缓存溢出的问题
念兮为美
09-14 1501
解决InnoDB: mmap(137363456 bytes) failed； errno 12的问题；解决mysql缓存溢出的问题。
mysql:failed,启动失败,mmap failed-Cannot allocate memory for the buffer pool
老潘的博客
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在使用mysql5.7进行当做网站的数据库时，有时候会莫名死掉，网站也会因此打不开，重新启动mysql也无法正常启动。通过查看mysql的告警日志发现：cat /etc/my.cnf... log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid ...cat /var/log/mysqld.log发现是因为mysql无法分配
mmap失败时原因
gonaYet的博客
07-15 5956
mmap失败的原因， 其中一种，可能是由于fopen的文件是只读，但是在mmap中却写成了PROT_READ | PROT_WRITE（读写） 那么只需要删除PROT_WRITE即可
InnoDB: mmap(68878336 bytes) failed； errno 12 这类错误
mapjin的博客
10-14 236
详细报错如下 201014 9:37:50 InnoDB: Compressed tables use zlib 1.2.7 201014 9:37:50 InnoDB: Using Linux native AIO 201014 9:37:50 InnoDB: Initializing buffer pool, size = 64.0M InnoDB: mmap(68878336 bytes) failed; errno 12 201014 9:37:50 InnoDB: ...
[root@node1 ~]# sudo systemctl status mariadb.service --no-pager ● mariadb.service - MariaDB database server Loaded: loaded (/usr/lib/systemd/system/mariadb.service; enabled; vendor preset: disabled) Active: failed (Result: exit-code) since 四 2025-10-09 15:18:13 CST; 4min 28s ago Process: 119729 ExecStartPost=/usr/libexec/mariadb-wait-ready $MAINPID (code=exited, status=1/FAILURE) Process: 119728 ExecStart=/usr/bin/mysqld_safe --basedir=/usr (code=exited, status=1/FAILURE) Process: 119693 ExecStartPre=/usr/libexec/mariadb-prepare-db-dir %n (code=exited, status=0/SUCCESS) Main PID: 119728 (code=exited, status=1/FAILURE) 10月 09 15:18:12 node1 systemd[1]: Starting MariaDB database server... 10月 09 15:18:12 node1 mariadb-prepare-db-dir[119693]: Database MariaDB is probably in.... 10月 09 15:18:12 node1 mysqld_safe[119728]: 251009 15:18:12 mysqld_safe Logging to '/...'. 10月 09 15:18:12 node1 mysqld_safe[119728]: 251009 15:18:12 mysqld_safe A mysqld proc...ts 10月 09 15:18:12 node1 systemd[1]: mariadb.service: main process exited, code=exited...URE 10月 09 15:18:13 node1 systemd[1]: mariadb.service: control process exited, code=exi...s=1 10月 09 15:18:13 node1 systemd[1]: Failed to start MariaDB database server. 10月 09 15:18:13 node1 systemd[1]: Unit mariadb.service entered failed state. 10月 09 15:18:13 node1 systemd[1]: mariadb.service failed. Hint: Some lines were ellipsized, use -l to show in full. [root@node1 ~]# sudo tail -n 100 /var/log/mariadb/mariadb.log InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. InnoDB: Unable to lock ./ibdata1, error: 11 InnoDB: Check that you do not already have another mysqld process InnoDB: using the same InnoDB data or log files. 251009 14:58:01 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 251009 14:58:01 [Note] /usr/libexec/mysqld (mysqld 5.5.68-MariaDB) starting as process 92999 ... 251009 14:58:01 InnoDB: The InnoDB memory heap is disabled 251009 14:58:01 InnoDB: Mutexes and rw_locks use GCC atomic builtins 251009 14:58:01 InnoDB: Compressed tables use zlib 1.2.7 251009 14:58:01 InnoDB: Using Linux native AIO 251009 14:58:01 InnoDB: Initializing buffer pool, size = 128.0M 251009 14:58:01 InnoDB: Completed initialization of buffer pool 251009 14:58:01 InnoDB: highest supported file format is Barracuda. 251009 14:58:01 InnoDB: Waiting for the background threads to start 251009 14:58:02 Percona XtraDB (http://www.percona.com) 5.5.61-MariaDB-38.13 started; log sequence number 1597945 251009 14:58:02 [Note] Plugin 'FEEDBACK' is disabled. 251009 14:58:02 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.5.68-MariaDB' socket: '/var/lib/mysql/mysql.sock' port: 0 MariaDB Server 251009 15:07:02 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql 251009 15:07:02 InnoDB: The InnoDB memory heap is disabled 251009 15:07:02 InnoDB: Mutexes and rw_locks use GCC atomic builtins 251009 15:07:02 InnoDB: Compressed tables use zlib 1.2.7 251009 15:07:02 InnoDB: Using Linux native AIO 251009 15:07:02 [Note] /usr/libexec/mysqld (mysqld 5.5.68-MariaDB) starting as process 104851 ... 251009 15:07:02 InnoDB: Initializing buffer pool, size = 128.0M 251009 15:07:02 InnoDB: Completed initialization of buffer pool 251009 15:07:02 InnoDB: highest supported file format is Barracuda. 251009 15:07:02 InnoDB: Waiting for the background threads to start 251009 15:07:03 Percona XtraDB (http://www.percona.com) 5.5.61-MariaDB-38.13 started; log sequence number 1597945 251009 15:07:03 [Note] Plugin 'FEEDBACK' is disabled. 251009 15:07:03 [Note] /usr/libexec/mysqld: ready for connections. Version: '5.5.68-MariaDB' socket: '/var/lib/mysql/mysql.sock' port: 0 MariaDB Server 251009 15:08:41 [Warning] 'user' entry 'root@localhost' has both a password and an authentication plugin specified. The password will be ignored. 251009 15:12:56 mysqld_safe A mysqld process already exists 251009 15:13:14 [Warning] 'user' entry 'root@localhost' has both a password and an authentication plugin specified. The password will be ignored. 251009 15:18:12 mysqld_safe A mysqld process already exists
最新发布
10-10
首先，用户的问题是关于MariaDB服务启动失败，具体错误是"InnoDB无法锁定 ./ibdata1 文件"，错误代码11。这个错误类似于引用[2]中的MySQL错误，因此我可以借鉴那里的解决方案。 关键点是错误："InnoDB: Unable to ...
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