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Over the past decade, many developers and professionals have compared MySQL with PostgreSQL, most of whom consider the latter to be more superior in performance. The supporters of PostgreSQL argue that its standard support and acid[1] are more than MySQL. MySQL is also popular because there are many Linux Web application installation packages with it, but since
PostgreSQL tutorial (10): Performance Improvement tips and postgresql Performance Improvement 1. Use EXPLAIN: PostgreSQL generates a query plan for each query, because selecting the correct query path has a critical impact on performance
Five tips for Instagram to improve PostgreSQL performance, postgresql Performance Optimization As Instagram grows, Postgres continues to serve as a solid foundation for Instagram and stores a vast majority of user data. Less than a year ago, we also wrote on our blog that Instagram "stores a large amount of data" and a
Tags: adb via function GRE Active Program Server Branch nbspThe current version of MYSQL/MARIADB is 5.7.6 (mariadb is a MySQL branch created by the MySQL creator Monty Widenius), and the version of PostgreSQL is 9.4.1. The following aspects compare the latest versions of both: ANSI standard compatibility: MySQL has made great strides compared to previou
15 useful MySQL/MariaDB performance tuning and Optimization Techniques MySQL is a powerful open-source Relational Database Management System (RDBMS ). It was released in 1995 (20 years ago ). It uses Structured Query Language (SQL), which may be the most popular choice in database content management. The latest MySQL version is 5.6.25, which was released on July 25, May 29, 2015. An interesting fact about M
This article will show you some basic but useful tips on how to optimize the performance of MySQLMariaDB. Note: This document assumes that you have installed MySQL or Maria This article will show you some basic but useful tips on how to optimize MySQL/MariaDB performance. Note: This document assumes that you have installed MySQL or Maria MySQL is a powerful
Original addressMySQL is a powerful open source relational database management system (RDBMS). It was posted on 1995 (20 ago). It uses Structured Query Language (SQL), which may be the most popular choice in database content management. The latest MySQL version is 5.6.25, released on May 29, 2015.An interesting fact about MySQL is that its name comes from the daughter "My" of Michael Widenius (the founder of MySQL). Although there are many interesting rumors about MySQL, this article is mainly t
Performance Testing of MariaDB-5.5 thread pool MariaDB BitsCN.com MariaDB-5.5.21-beta is MariaDB's first version that provides brand new thread pool features, Oracle provides a commercial version of the thread pool plug-in MySQL Enterprise edition, but MariaDB provides a w
, under the pattern "percona 5.6.6-m9-56 (exclusive, 1 bp)" (yellow bottom), the Integrated tpmc has the highest efficiency. Therefore, tpmc efficiency in other test modes is compared directly with it. Iv. SummaryThis is only a simple benchmark test of tpmc. All the improvements and features announced by MySQL 5.6 and mariadb are not covered yet.From the test results, the performance of percona 5.6 still ha
benchmark test, MySQL 5.6 and MARIADB announced the various improvements and features are not related.From the test results, the performance of Percona 5.6 still has a great advantage; In contrast to previous versions, the more concurrent threads are within a certain number of threads, the higher the TPMC efficiency.--------------------------------------Split Line--------------------------------------http:
Label:MySQL is a powerful open source relational database management system (RDBMS). It was posted on 1995 (20 ago). It uses Structured Query Language (SQL), which may be the most popular choice in database content management. The latest MySQL version is 5.6.25, released on May 29, 2015. An interesting fact about MySQL is that its name comes from the daughter "My" of Michael Widenius (the founder of MySQL). Although there are many interesting rumors about MySQL, this article is mainly to show yo
In the relational database area, PostgreSQL is a very popular open source database software. Since its release in 1996, it has accumulated nearly 20 years of practical experience, both in PostgreSQL itself and in community ecology. Not only small and medium-sized enterprises, many large industry customers will also use PostgreSQL to build their own database syste
Label:Performance comparison test for MySQL 5.6 and MariaDB-10.0time 2013-02-14 10:11:34 Open source China Original http://www.oschina.net/question/12_90065 ThemeMariaDBOLTPTesting Technology Oracle has just released the MySQL 5.6.10 GA version, so it's time to update the previous performance test data, which includes the following versions: MySQL-5.5.29 MySQL-5.6.10
Tags: size arrangement SDN Technology share ext ODBC. NET Analysis tool downPostgreSQL Hardware Performance Tuning Translated from the article "PostgreSQL Hardware performance Tuning" PostgreSQL is an object-relational database developed by developers all over the world on the Internet. She is an open so
1, Testing purpose By running the standard test program TPC-B and TPC-C, determine the performance differences between different parameters and different versions (8.2.14 vs 8.4.2, it provides reference for parameter configuration and version selection of PostgreSQL databases on ECOP cm. The test platform is: Hardware configuration: CPU e4600 dual-core 2.4g 2g RAM 160g SATA * 2 Operating System: Ubuntu 9.10
Use local indexes to improve PostgreSQL Performance You may not know that PostgreSQL supports partial indexing of table data? Its advantage is that it can accelerate the reading speed of the indexed data without additional overhead. the best way is to index the data that is read repeatedly based on the given WHERE clause. this is suitable for some specific analys
The amount of data will be huge in the future/you cannot predict the size of the data. We recommend that you change to PostgreSQL. After a certain amount of data is stored in MySQL (generally, the performance of a single MySQL table is the best-, and the performance starts to decline when there are more data), the performance
3051 millisecondspostgresql:4060579 Records Add indexSelect region_id, Avg ((data-> ' F1 '):: integer) from Fact_data_hstoreGROUP BY region_idResult set: Returns 9 Records, 2 fields, time-consuming millisecondsIndexes have no effect on the performance of this SQL statement.2.2 Test results (eight fields 4 million records)sqlserver:4060579 RecordsSelect Region_id,avg (F1) as AF1From Fact_dataGROUP BY region_idResult set: Returns 9 Records, 2 fields,
records from a query result;Prepared Query );Use analyze to maintain accurate optimization statistics;Regular use of vacuum or pg_autovacuumDelete the index (then re-create the index) When making a large amount of data changes)2. Procedural experienceCheck whether the connection pool is used. If not, use it as soon as possible;Check the program again. After the connection is used, check whether the connection pool is returned;3. Server parameter configurationMany configurations in the configura
1. Use explain: PostgreSQL generates a query plan for each query, because selecting the correct query path has a critical impact on performance. PostgreSQL itself contains a scheduler for optimal planning. We can use the explain command to view the scheduler's query plan generated for each query.The query plan generated by P
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