ubuntu mongodb 出现 exception: connect failed

I was overwhelmed by this problem. I tried Baidu and Google, but it still didn’t work. Even reinstalling it di...

From [MongoDBdiscussion group] 2017-05-02 09:25:28 0  3  24946

java - MongoSocketReadTimeoutException: Timeout while receiving message

1. Recently I am using spring-boot and spring-data-mongo to operate mongodb. 2. I check the server log every m...

From [MongoDBdiscussion group] 2017-05-31 10:35:10 0  2  3835

C#开发mongodb，使用官网的驱动好还是samus驱动？

C#开发mongodb，使用官网的驱动好还是samus驱动？ 除samus支持linq语法外，两个驱动还有什么区别？

From [MongoDBdiscussion group] 2017-04-24 09:13:41 0  1  2811

sql - is mongodb free

Just like the title, don’t talk about whether it is open source or not. I only care about whether it is charge...

From [MongoDBdiscussion group] 2017-05-02 09:23:51 0  5  2694

Deploying mongodb in docker, error directory-sync: fdatasync: Invalid argument.

Deploying mongodb in docker, the data files are persisted to mac (my local machine). The test found that as lo...

From [MongoDBdiscussion group] 2017-05-02 09:24:13 0  1  2521

mongodb - failed to connect to server [localhost:27017] on first connect

Mongodb has been installed and started through mongo. Run the command supervisor --harmony index and report an...

From [MongoDBdiscussion group] 2017-05-02 09:23:22 0  3  1974

node.js - How to deploy nodejs application to server?

The thing is like this, I am doing front-end development. I recently learned nodejs and did some practice proj...

From [MongoDBdiscussion group] 2017-06-29 10:08:54 0  3  1959

mongodb - mongod出现unclean full-time diagnostic data??

2017-03-08T15:21:16.453+0800 I NETWORK [thread1] waiting for connections on port 27017 2017-03-08T15:21:17.026...

From [MongoDBdiscussion group] 2017-05-02 09:24:44 0  1  1911

mongodb - 百万数据aggregate group sum 统计超级耗时的问题，求解决方案

1、文档结构示例 {代码...} 2、场景：user为'xiaoming'的文档有六七百万条 3、问题：怎么提升aggregate+group+sum速度 {代码...} 用上面这个来统计xiaoming带有wrong的...

From [MongoDBdiscussion group] 2017-05-02 09:20:16 0  3  1903

node.js - How mongoose filters and paging based on related tables

Problem background: In the following two schema {code...} columns, active needs to be configured and modified,...

From [MongoDBdiscussion group] 2017-05-24 11:35:40 0  1  1824

mongodb - db.currentOp()里面"op" : "getmore"是什么意思

我在mongodb命令行运行db.currentOp()，返回结果中出现"op" : "getmore"，，请问一下getmore是一个什么操作？而且特别耗时： {代码...}

From [MongoDBdiscussion group] 2017-05-02 09:22:35 0  1  1786

Is it necessary for mongodb to have separate tables?

Mongodb comes with autosharding, so is it necessary to split the table into a table with a level of over 100 m...

From [MongoDBdiscussion group] 2017-05-02 09:26:37 0  4  1767

replica-set - mongodb replica set 添加从节点出错？

我在三台虚拟机上配置mongodb replica set副本集，使用conf文件启动mongodb {代码...} {代码...} 另外两台机器的启动命令和conf配置文件内容都是一样的，只有文件名和ip不同 将205...

From [MongoDBdiscussion group] 2017-05-02 09:19:18 0  0  1737

MongoDB waiting for replication timed out

问题描述三台 Windows Server 2012 R2 安装 MongoDB 3.0.8 做复制集，批量upsert有时报 “waiting for replication timed out（64）：stdClas...

From [MongoDBdiscussion group] 2017-04-28 09:06:14 0  0  1730

mongodb备份报错 too many positional options

目的是想备份整个项目的全部数据，不限于某一个collection 使用的命令： mongoexport —db Demo —out demo_backup.json 运行后报错： Error parsing comman...

From [MongoDBdiscussion group] 2017-04-24 09:13:54 0  2  1698