mongodb changelog

[MongoDB] mongodb sharded cluster (iii) on windows platform, mongodb Cluster In the previous two blogs, we elaborated on the working principle and building process of the sharded cluster. In this blog, we will analyze the testing results of the

[TOC]First, Introduction MongoDB currently has 3 core advantages: "Flexible mode" + "High Availability" + "extensibility", through JSON documents to achieve flexible mode, through the replication set to ensure high availability, through the

Tag: Record out value star results in last data set structure portIn MongoDB (version 3.2.9), a shard cluster (sharded cluster) is a way to scale the performance of a database system horizontally, with the ability to store datasets distributed on

Objective In MongoDB (version 3.2.9), a fragmented cluster (sharded cluster) is a way to extend the performance of the database system horizontally, storing the data set distributed on different slices (shard), each fragment saving only part of the

In MongoDB (version 3.2.9), a shard cluster (sharded cluster) is a way to scale the performance of a database system horizontally, with the ability to store datasets distributed on different shards (shard), each of which only holds part of the data

In the previous two blogs, we elaborated on the working principle and building process of the sharded cluster. In this blog, we mainly analyze the testing results of the sharded cluster. First, we can see that the replica Set A and B are normal: 1.

The above (http://www.cnblogs.com/guoyuanwei/p/3565088.html) describes the deployment of a default shard cluster, the MongoDB shard Cluster has a general understanding, So far we have not set up other databases on the cluster, MongoDB shards are

MongoDB is a popular non-relational database. As a document-based database, in addition to the flexible data structure with or without schema, MongoDB supports complex and rich query functions, and also comes with a powerful sharding function. To

MorphiaIs a lightweight ORM type security class library mapped to Mongo and Java object conversion. 1. Easy to use and lightweight. Once each type is obtained through reflection, it will be cached, and the performance is better. 2. Abstract

This article describes how to install and use extensions in the PHP Yii Framework. it lists some core extensions in Yii, you can refer to the software packages that can be used and re-released at any time in Yii applications. For example, the