As you probably know PHP “mysql” extension supported persistent connections but they were disabled in new “mysqli” extension, which is probably one of the…. Lets talk now about why Persistent connections were disabled in mysqli extension. Even though you could misuse persistent connections and get poor performance that was…
Post: Database problems in MySQL/PHP Applications
August 11, 2006 By 12 Comments
… mysql_ functions directly as well – I would go for using mysqli object approach. The great things about objects is you can… direct path to mysqli extension to performance critical queries if you need. I would also note for many PHP applications abstraction layer is not the main performance problem, also benefit from persistent connections can be much more…
Comment: HandlerSocket on SSD
April 6, 2011 By 9 Comments
… doing MySQLi based PK lookups in Perl/PHP, I hit an almost identical limit (10,500), and then got failed connects… So using persistent connection objects for both MySQLi and…
Comment: HandlerSocket on SSD
November 2, 2010 By 9 Comments
… doing MySQLi based PK lookups in Perl/PHP, I hit an almost identical limit (10,500), and then got failed connects… So using persistent connection objects for both MySQLi and…
Comment: Database problems in MySQL/PHP Applications
August 11, 2006 By 12 Comments
… rewriting. You also can > use pretty much direct path to mysqli extension to performance > critical queries if you need. Nice but… also note for many PHP applications abstraction layer is > not the main performance problem, also benefit from persistent > connections can be much more…
Comment: Wishes for new "Pure PHP" MySQL driver
October 28, 2006 By 17 Comments
…probably less than rewriting them from PHP to something else 
4) It is…connection to get in trouble. Also if someone would implement connection pooling daemon implemented as a proxy for MySQL protocol supporting persistent connections… You can create a child from mysqli class and extend it with tons…
Comment: Are PHP persistent connections evil ?
February 13, 2007 By 31 Comments
For an advertisement serving engine with a real/serious degree of concurrency and fairly simple queries, support for persistent connections has been very useful for us. It looks like there are ways to implement connection pooling as I just checked the PHP documentation on MySQLi extension.
Comment: Configuring MySQL For High Number of Connections per Second
January 6, 2012 By 17 Comments
Peter, thank you for the reply! We have already set the emphemeral port range to the max setting. So I assume we definitely need to start using persistent connections, I hope the php/mysqli implementation is stable enough for production.
Comment: Are PHP persistent connections evil ?
January 12, 2008 By 31 Comments
[...] mysqli pour des problèmes de performances et de stabilité (voir ce post très intéressant : http://www.mysqlperformanceblog.com/2006/11/12/are-php-persistent-connections-evil/). Apparemment, ces problèmes ont été résolus avec mysqlnd puisque cette fonctionnalité [...]
Comment: Are PHP persistent connections evil ?
December 4, 2007 By 31 Comments
[...] mysqli pour des problèmes de performances et de stabilité (voir ce post très intéressant : http://www.mysqlperformanceblog.com/2006/11/12/are-php-persistent-connections-evil/). Apparemment, ces problèmes ont été résolus avec mysqlnd puisque cette fonctionnalité [...]
