MongoDB

First, the environmentOperating system:# uname-r2.6.32-358.el6.x86_64# Cat/etc/issuecentos Release 6.4 (Final) Kernel \ r on an \mMaster: 192.168.137.148From: 192.168.137.154Second, master-slave synchronization system time#ntpdate ntp.api.bz &&

Official DownloadsUnpack the installation package to E:\mongodbSet up the database directory E:\mongodb\dataCreate log directory E:\mongodb\logsCreate profile Directory E:\mongodb\etcSetting up the configuration file E:\mongodb\etc\mongodb.confThe

In the This blog, I'll mainly attach great importantance to "create a Windows service for MongoDB." The method described in the next are referred from the official website of MongoDB.http://docs.mongodb.org/manual/tutorial/install-mongodb-on-windows/

By default, shutting down the Shell,mongodb stops running.If you want to run in the background, just add the--fork function when you start.You can add--logappend after the log path to prevent the log from being

Recently in Tornado\mongodb\ansibleThere is a find () method in MongoDB that can send out all the tables in the collection, which I wrote at first.Class Module_actionhandler (Tornado.web.RequestHandler): def get (self, *args, **kwargs):

MongoDB is a cross-platform, document-oriented database that provides high performance, high availability, and scalability convenience. MongoDB works on the concept of collection and documentation.Database: A database is a collection of physical

Today, using the MongoDB C + + driver, there was an error when compiling the connection, and the string_data.h of the 93-line Max macro is displayed, which is not itself called the Max macro, but instead calls theStd::numeric_limits::maxThis is to

Recent project needs, want to test MongoDB read and write a large number of small pictures speed (Simple file system IO efficiency is low, want to try NoSQL can speed up), because using C + + development, so using MongoDB cxx driver, need to compile

Conclusion 1:SSD card significantly improves the disk Io,io occupancy under 50% 2:SSD card makes MongoDB performance stable.  In the case of 200 concurrency, the data volume is 5 times times the amount of memory and still guaranteed 1500 insertions

Example: 1.C: \> db2 create table encode_demo (col1 varchar (100) for bit data)// Field col1 data is stored in binary formatThe DB20000I SQL command is successfully completed.2.C: \> db2 set encryption password = 'loveunix'// Set the

This article mainly tells you how to install patches in DB2. In actual operations, we need to stop all related instances first, $ db2list results include db2inst1 and db2inst2. I believe that if you master this technology, it will be of great help

Bytes. The criteria for evaluating system performance optimization include throughput, response time, and parallel capability. Design Database 1. Familiar with business systems Familiarity with the business system has a great impact on the

If you are curious about the actual DB2 9.5 high availability solutions, the following articles will reveal their mysteries. I hope you will gain some benefits after browsing. Before getting started, let's first define the actual operational

This article mainly describes the paging program for general stored procedures in DB2 databases. If you encounter a paging program for general stored procedures in DB2 databases during actual operations, however, if you do not know how to operate on

The following articles mainly introduce the coexistence of DB2 databases and describe the configuration of tables for the occurrence of the coexistence of DB2 databases. The following is a detailed description of the main content of this article, I

Today we will share with you the specific implementation steps of DB2 HADRv8.2 EE. If you have a desire to understand the specific implementation steps of DB2 HADRv8.2 EE, you can use the following articles to better understand the actual operation

Today, we mainly describe how DB2 automatically increases the primary key. If you are interested in the actual operation method of the DB2 auto-increment primary key, you can click to view the following article. We all know that the DB2 database can

The following article describes how to back up and restore a DB2 database in a Linux operating system, the following describes how to back up and restore the DB2 database in the Lin operating system environment. I hope this will help you in your

The solution for migrating db2 v9.5 to v10.5 and failing to create a database with duplicate names can be recovered using backup in the same version of the system. This article assumes that different versions of the system use the db2move command. 1.

Introduction You want your e-commerce to run 24 hours a day, 7 days a week), because this is very beneficial to the Enterprise. However, this is not good for those who make e-commerce run. In the previous article of this article, we provide you with