postgresql scalability

Comparison between mysql and postgresql (for reference) bitsCN.com To understand the difference between PostgreSQL and MySQL, I searched for the keyword MySQL vs PostgreSQL and read several articles on the first page. The following is a summary:Difference between MySQL and PostgreSQL MySQL is the DBMS created by appli

Have you ever accidentally deleted a database table or damaged the disk where the database is stored? If you encounter this situation, I believe you will feel very frustrated, because the results of your hard work for a few weeks may be overwhelmed. Just like anything that contains precious data, PostgreSQL databases should also be backed up frequently. If you store data in a PostgreSQL table, you can back

DescriptionI am using the root user login at the terminal, if the non-root user, that in the command before the need to add "sudo", you understand ...First step: Install PostgreSQL under Ubuntu1. Installing with Apt-get Install[Email protected]:~# apt-get install-y postgresql-9.1 postgresql-client-9.1 postgresql-contri

This article mainly introduces some similarities between DB2 database development and PostgreSQL development in actual operations. What's more, I recently used DB2 databases and wrote some differences between them. Not necessarily true. But you can see the difference between the two. 1. Data Definition Language (DDL) and peripheral tools: the difference between DB2 and postgresql is almost 0. The specific

The content of this article complies with the CC copyright agreement, can be reproduced at will, but must be indicated in the form of Hyperlink original source and author information and copyright statement URL: www.penglixun.comtechdatabasemysql-vs-postgresql-part-1-table-organization.html translated from: blogs. enterprisedb. com20101129my The content of this article follow the CC copyright agreement, can be reproduced at will, but must be in the fo

Operating System: Debian 3.0 r2 Kernel used: linux-2.4.23 The module used in the experiment: ipvsadm-1.21, PostgreSQL (detailed usage of ipvsadm command please refer to here) Function Description: This is a simple experiment on linuxvirtualserver. It is about how to achieve load balancing between two PostgreSQL databases. This experiment has three purposes: 1. A friend's needs; 2. I haven't looked at LVS fo

In Linux, I like source code installation. I personally feel that he will not lose all files. Step 1: Download the source code package : Http://ftp.postgresql.org/pub/source/v9.1.4/postgresql-9.1.4.tar.gz If you need to install another version, you can go to http://www.postgresql.org/ftp/source/ Step 2: preparations before installation Yum install-y zlib-devel Readline-devel Step 3: decompress and compile Tar-zxvf

Just getting started with PHP, and then start compiling the environment, starting with PostgreSQL... ----------------------------------------------------------- | System | centos 5.7. ----------------------------------------------------------- If you encounter the dependency issue for compiling PostgreSQL, please post it in a text box. Yum-y install Readline-devel Reference: http://blog.92cto.com/blog/339.h

[email protected] ~]# Cd/home[[email protected] home]# lsPostgresql-9.4.1.tar Test[email protected] home]# tar XF postgresql-9.4.1.tar[email protected] home]# CD postgresql-9.4.1[[email protected] postgresql-9.4.1]# lsACLOCAL.M4 Config Configure configure.in contrib COPYRIGHT doc gnumakefile.in history INSTALL Makefile README Src[email protected]

From: http://bbs.chinaunix.net/thread-1688208-1-1.html Features MySQL PostgreSQL Instance Run the MySQL Command (mysqld) to start the instance. One instance can manage one or more databases. One server can run multiple mysqld instances. An instance manager can monitor various instances of mysqld. Start the instance by executing the postmaster process (pg_ctl. One instance can manage one or more databases, which

PostgreSQL-based scalable, open-source Big Data cluster database: POSTGRES-XLhttp://www.postgres-xl.org/Postgres's-XL is a scale-out open source SQL database cluster based on the PostgreSQL database, with sufficient flexibility to handle different database workloads: OLTP Write-Frequent business Requires MPP parallel Business intelligence Operational Data storage Key-value Storage G

In this article, we use the MySQL 4.0.2-alpha and PostgreSQL 7.2 to compare, because MySQL 4.0.2-alpha started to support the concept of transactions, so this comparison for MySQL should be more advantageous. We don't want to be just a performance test report, because at least from my point of view, stability and speed do not represent everything for a database. For a mature database, stability is certainly increasingly available.　　With the rapid impr

Binary installation steps:Groupadd PostgresUseradd-g Postgres PostgresID Postgrespasswd PostgresMkdir-p/data/postgresql/dataMkdir-p/data/postgresql/logTar XF postgresql-9.5.9-1-linux-x64-binaries.tar.gz-c/usr/local/cd/usr/local/Chown-r Postgres.postgres PgsqlCd/dataChown-r Postgres.postgres PostgreSQLcd/usr/local/pgsql/bin/Vim/etc/profileSource/etc/profileNormal

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

Official website: https://www.postgresql.org/download/linux/ubuntu/--------------------------------------------------------------------------------------------------------------- -----Another article, which is about the same:http://tecadmin.net/install-postgresql-server-on-ubuntu/#PostgreSQL is an open source object-relational database system. It is one of the leading database server used for production ser

Most of our internet users use the ADSL Broadband dial-up method, except for office buildings, new residential buildings, or university campuses that use leased lines to access the Internet. The theoretical downlink and uplink bandwidth of ADSL

Source: amutu. comblog201306hive-metastore-db-postgresqlHIVE metadata uses derby as the storage DB by default, derby as the lightweight DB, it is more convenient to use in the development and testing process, but in the actual production environment, ease of use, Disaster Tolerance, stability, and various monitoring and Operation Source of this article: http://amutu.com/blog/2013/06/hive-metastore-db-postgresql/ HIVE metadata uses derby as the storage

Rails comes with a zero-configuration sqlite by default. This feature is OK for development, but cannot be written concurrently. It is not suitable for production. Let's start from scratch. P.S.: deploy postgresql Based on ubuntu server ================ Install postgresql and start it ====================== First install postgresql in ubuntu sudo apt-get instal

Implement PostgreSQL failover in CentOS 6.5 Pgpool-II is an intermediate component that works between the PostgreSQL multi-server and the PostgreSQL Data Warehouse client. It provides the following functions: Connection Pool: pgpool-II is used to save and connect to the PostgreSQL server and reuse new connections with

0, password file: Before giving other PostgreSQL client commands, we need to introduce the password file in PostgreSQL. The file is explained here in advance because we are applying the file in a lot of the following sample code to ensure that our scripts are automated. In other words, if the file is not supplied when the client command executes, all client commands for