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连接池 for php ---- sqlrelay

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作者：volca 来源：CSDN 2008年5月26日

关键字： sqlrelay 连接池 python 软件

SQL Relay is a persistent database connection pooling, proxying and load balancing system for Unix and Linux.

SQL Relay is ideal for:

speeding up database-driven web-based applications
enhancing the scalability of database-driven web-based applications
distributing access to replicated databases
throttling database access
accessing databases from unsupported platforms
migrating applications from one database to another

SQL Relay supports the following database backends:

Oracle
MySQL
mSQL
PostgreSQL

Sybase
MS SQL Server
IBM DB2
Interbase

Sybase
SQLite
Lago
ODBC

The SQL Relay client API's support advanced database operations such as bind variables, multi-row fetches, client side result set caching and suspended transactions. SQL Relay is has native client API's for the following languages:

C
C++
Perl

Python
PHP
Ruby

Java
TCL
Zope

SQL Relay provides drivers for the following database abstraction layers:

Perl DBD

Python DB

Ruby DBD

PHP Pear DB

An application coded using another database's native client API may be able to use SQL Relay without modification. SQL Relay provides drop-in replacement libraries for:

MySQL

PostgreSQL

SQL Relay also features:

command line clients
a GUI configuration tool
extensive documentation