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Tag: MongoDB

mongodb数据导出为csv文件

mongoexport -h [IP]:[port] -d [db] -c [collection] -u [user] -p [password] --type=csv -f [field1[,field2,field3,...]] > [filename.csv][……]

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Posted on March 21, 2018March 21, 2018Categories Database, ITTags MongoDB

阿里云MongoDB连接数问题

用云服务的新手,估计都会遇到这样的问题:某天去到公司打开MongoChef,发现阿里云的MongoDB连不上了。

2017-05-06 18:34:18 星期六
结论:经过实践证明,就是因为中转服务器与MongoDB服务的连接没释放的原因,只要先断开rinetd后再重连即可!

问题[……]

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Posted on April 12, 2017May 6, 2017Categories Database, ITTags MongoDB, SQL, 数据库优化, 阿里云
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