mongodb maintenance

Tags: init ability B16 art needed tee boost trying check Once with MySQL database, all day is to write a large heap of SQL statements. To remember that these sqlkeyword are going to take a few days, write the eggs have exploded, when the contact with MongoDB, found not to write SQL, instantly think tall, instantly produced the impulse to learn to use it. 1.MongoDB Brief Introduction

Chapter I basic principles and methods of computer maintenance The principles and methods described here are the basis of the second part of the classification judgment, which needs to be conscientiously complied with. §1.1 the basic principles of computer maintenance should be followed: First, the maintenance judgment must start from the simplest thing Simple t

In addition to the tangle of queries, the rest are relatively simple! In fact, when I learned how to add, delete, modify, and query mongodb command lines, I also tried it one by one based on the examples on the official website, so please feel free to use it! After adding data, we will create a test set and write some data. Create two objects j and t and save them to the set. In In addition to the tangle of queries, the rest are relatively simple! In

MongoDB Tutorial: MongoDB cluster and replica set Concepts For MongoDB Data Disaster Tolerance, the recommended mode is the replica set mode. It has an external Primary server Primary and N replica servers Secondary (N> = 1, when N = 1, an arbitration server (Arbiter) is required. When N> 1, Arbiter is not required. They were previously synchronized through inter

Original address: http://blog.csdn.net/drifterj/article/details/7948090Directory Address: HTTP://BLOG.CSDN.NET/DRIFTERJ/ARTICLE/CATEGORY/1191327/2In the front we all manipulate the data accessing MongoDB through the shell, the language used in the shell is JavaScript. Let's talk about how to access the MongoDB database through Java.The Java driver is the earliest driver of

Tags: interview1. What is operation and maintenance? What is Game ops?1) operation and maintenance refers to the large-scale organization has established a good network hardware and software to maintain, is to ensure that the business of the line and operation of the normal.In the course of his operation, he was maintained, he assembled the network, system, database, development, security, monitoring in a t

use the field name as an index, and each field name is represented in one byte, so that you don't have to worry about the length of the field name. However, the author's concerns are not unreasonable. This index method requires that the index value be replaced with the original value after each query result and then sent to the client. This replacement is quite time-consuming. The current implementation is to exchange space for time. 3. delete a record without releasing space: This is easy to u

Tags: family basic BSP Cap art condition create default linear About five or six years ago, for the first time, it was a nosql that was already hot topic. But at that time the use of mysql,nosql for me is still new things, and not really use, just unknown. But the impression is such a picture (later Google to the picture from here): 　　 This picture is about the relationship between the database (including the traditional relational database and NoSQL) and the CAP theory. Because of the lack of

The Daily tasks are: 1 complete backup or differential backup of the database on a regular basis. 2 regularly clean up the backup files, because the storage space is limited, you may need to save only a period of time files (such as a week or January). And how do you do these two points? The author believes that it is possible to implement this function before the SQL SERVER2005 version comes out, but it is not straightforward to implement regular cleanup of backup files, which typically requ

Tags: des style blog http io os using AR javahttp://blog.csdn.net/stationxp/article/details/26077439Plan:Install a virtual machine, Ubuntu bar, 14.04 trusty Tahr.Installing MongoDBNetwork resources:Http://mirrors.aliyun.com/ubuntu-releases/14.04/ubuntu-14.04-server-amd64.iso.torrent (Public network)Http://mirrors.tuna.tsinghua.edu.cn/ubuntu-releases/14.04/ubuntu-14.04-server-amd64.iso.torrent (Education Network)Http://fastdl.mongodb.org/linux/mongodb-

A maintenance plan can be used in SQL Server 2005 to automatically back up the database, reducing the workload of the database administrator. Here's how to use it:(1) Start SQL Server Management Studio and select Manage-maintenance plan option in the Object Explorer window.2) Right click on "Maintenance Plan" and select "Main