Home Database Mysql Tutorial MongoDB 磁盘空间不足

MongoDB 磁盘空间不足

Jun 07, 2016 pm 05:33 PM
mongodb database

有些事情,只有当长时间压力测试的时候,才能暴露出来。MongoDB集群用了几个月了,但是当写了一个长时间运行的压力测试程序后,几

有些事情,只有当长时间压力测试的时候,,才能暴露出来。MongoDB集群用了几个月了,但是当写了一个长时间运行的压力测试程序后,几天时间, primary server不能启动。查看MongoDB日志发现错误信息:

Fri Nov 29 10:49:13.182 [initandlisten] ERROR: Insufficient free space for journal files
Fri Nov 29 10:49:13.182 [initandlisten] Please make at least 3379MB available in /var/lib/mongodb/journal or use --smallfiles

原来默认安装的MongoDB使用率/var磁盘分区作为数据保存的分区,而默认Ubuntu下这个分区并不大。所以安装MongoDB集群时要考虑选择合适大小的分区存放文件和日志,比如这里创建一个目录树, /mongodb/data下存放数据,/mongodb/log下存放日志。

root@vm1:/# tree /mongodb/ -L 1
/mongodb/
├── data
└── log

然后将文件移动到对应的目录下,并修改/etc/mongodb.conf文件里面的配置:

dbpath=/mongodb/data/mongodb                                                                                                         
logpath=/mongodb/log/mongodb.log

启动服务,正常了。同理修改其他的mongodb server.

MongoDB 的详细介绍:请点这里
MongoDB 的下载地址:请点这里

相关阅读:

MongoDB备份与恢复

CentOS编译安装MongoDB

CentOS 编译安装 MongoDB与mongoDB的php扩展

CentOS 6 使用 yum 安装MongoDB及服务器端配置

Ubuntu 13.04下安装MongoDB2.4.3

如何在MongoDB中建立新数据库和集合

MongoDB入门必读(概念与实战并重)

《MongoDB 权威指南》(MongoDB: The Definitive Guide)英文文字版[PDF]

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