【IT168 专稿】在上一篇文章中，我们学习了Mongodb的安装和初步使用，在本文中，将学习如何使用Java去编程实现对Mongodb的操作。 HelloWorld程序 学习任何程序的第一步，都是编写HelloWorld程序，我们也不例外，看下如何通过Java编写一个HelloWorld的程序。 首先，要通过 ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

A look at some of the best database and RDBMS tools for Java software developers. Learn more about Java and database programming. Java developers often rely on specific database tools to efficiently ...

大概原因是连接数太多了。在远程linux主机中配置了maxConns=20000。还是不行。 程序中确实有好多地方连接mongo，下面的html内容是28017监视端口中的内容，连接的client有很多（页面拉好久），不知道为什么， 这些连接不及时释放资源呢？不知这是由什么原因导致的？

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...

The fuel sector might not seem like the most obvious place to look for innovation, but technology is quietly reshaping how things work there, too. From managing fuel pumps to tracking tank levels and ...