mongodb vs mysql performance

Optimize the performance of the PHP website Mysql from the database, code, and server, and the mysql performance. Database optimization is something that almost always happens during PHP interviews. It is also something we should pay attention to at work. Of course, it doesn't matter if it's a small website, when the w

PHP imports a lot of data to MySQL performance optimization tips, MySQL performance optimization The example in this article describes how PHP imports a lot of data to MySQL performance optimization techniques. Share to everyone

Db.app_users.aggregate ([{ $project:{ fs:1,ls:1, subt:{$subtract: [' $ls ', ' $fs ']}, days714:{ $cond: [ { $gte: [' $ls ', (Math.Round (Newdate ()). GetTime () /1000) -14*24*60*60)]},1,0] }, days1430:{ $cond:[ { $and:[ { $lte: [' $ls ', (Math.Round (Newdate ()). GetTime () /1000) -14*24*60*60)]}, { $gte: [' $ls ', (Math.Round (Newdate ()). GetTime () /1000) -30*24*60*60)]} ]} ,1,0]}, days30:{ $cond:[{ $lte: [ ' $ls ', (Math.Round ((Newdate ()). GetTime () /1000) -30*24*60*60)]},1,0] }, days81

combined with business functionsThe No. 096 section: The development of ACTIVEMQ combined business function twoThe No. 097 section: The development of ACTIVEMQ combined with business functions threeSection No. 098: ACTIVEMQ and business function combination testingSection No. 099: Basic Performance testingSection 100th: Architecture after applying ACTIVEMQSection 101th: MongoDB Introduction and NoSQLSectio

Because do not enter the database, this article does not represent MongoDB performance, only in this and IO to do a simple comparison of the performance is not scientific, but also from the side to explain a certain problem, to the development of a certain hint. Attached: This test and in early 2012, due to the late entry of the blog, may be different, welcome to

Introduction to MySQL performance optimizationWhat is performance optimization? In fact, we tend to define from a broad sense that the non-functional optimizations of a MySQL system will be considered performance optimizations, such as the stability of the database server, t

High Performance MySQL Reading Notes (on), high performance mysqlHigh Performance MySQL is a classic book. From the application layer to the database to the hardware platform, all the tuning techniques and common problems are mentioned. Various concepts and techniques of the

Original link: http://page.factj.com/blog/p/4078MongoDB has been popular for a long time, compared to MySQL, exactly what scenes need to use MongoDB? Here are some summaries.Higher write loadBy default, MongoDB is more focused on high data write performance than transactional security, and

Label:This article focuses on the paging query of MongoDB Traditional SQL Paging Traditional SQL paging, all the solutions are almost row_number, for the needs of a variety of sorting, complex query scenarios, Row_number is the killer. In addition, for the current web is very popular Poll/push load paging way, generally use time stamp to achieve paging. These two kinds of paging can be said that the former is universal, even LINQ generated by the pagi

Mysql performance optimization suggestions, Mysql Performance Optimization For Mysql performance optimization, refer to [1], [2], and [3]. Some of the articles that have been used and have relatively good results are as follows:1.

of documents, placed in the main body document. This makes data easier to manage and eliminates "JOIN" operations that affect performance and horizontal scalability in traditional relational databases.Code↓> Db.blogposts.save ({title: "My first Post", Author: {Name: "Jane", id:1},Comments: [{by: "Abe", Text: "First"},{by: "Ada", Text: "Good post"}]})> Db.blogposts.find ({"Author.name": "Jane"})> Db.blogposts.findOne ({title: "My First Post", "Author.

High-performance Mysql -- Schema and data type optimization; high-performance Mysql Schema Good logical design and the foundation of High Performance for physical designers1. Select an Optimized Data TypeSmaller is usually betterCPU cycle required for smaller disk, memory,

MySQL batch SQL insert performance optimization details, mysql Performance Optimization For some systems with a large data volume, the database faces problems in addition to the low query efficiency, but also the long data warehouse receiving time. Especially for the report system, the time spent on data import may be