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NetTuts.com:
HTTP The Protocol Every Web Developer Must Know - Part 2
April 29, 2013 @ 15:07:21

NetTus.com has followed up their previous article covering some of the basics of the HTTP protocol with this new post, part 2 of the series. They suggest that HTTP, the messaging format of the web, is the one protocol that every web developer should know.

In my previous article, we covered some of HTTP's basics, such as the URL scheme, status codes and request/response headers. With that as our foundation, we will look at the finer aspects of HTTP, like connection handling, authentication and HTTP caching. These topics are fairly extensive, but we'll cover the most important bits.

In this article, they talk about things like the HTTPS secure version of HTTP, server-side connection handling, identification/authorization and working with caching and cache control headers.

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http developer knowledge https authentication connections caching

Link: http://net.tutsplus.com/tutorials/tools-and-tips/http-the-protocol-every-web-developer-must-know-part-2

Sean Coates' Blog:
PHP Community Conference
March 25, 2011 @ 10:45:10

Sean Coates has posted a new entry to his blog today looking at some of his past experiences in the PHP community (from php|architect to OmniTI and now Gimmie Bar) and how knowing people in the community helped him be in the "right place at the right time". Because of this, he recommends the PHP Community Conference as a way to get your own foot in the door and meet the wider community.

Nearly everyone I know and have had a long-term relationship with, in the PHP community, I met at a conference. Sure, I'd often "known" someone from their online persona, but it's hard to really "know" someone until you've spent some face time with them, preferably with a beer or two between you.

He points out that the PHP Community Conference is run by members of the PHP community and has been arranged as a great event to make those new connections (or renew old ones). The conference is happening April 21st and 22nd in Nashville, Tennessee and tickets are currently on sale.

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phpconcom11 nashville tn conference community connections


MySQL Performance Blog:
Are PHP persistent connections evil ?
November 14, 2006 @ 09:03:00

The MySQL Performance Blog takes a look today at a more PHP-related topic - persistent connections in PHP and whether or not they are the devil (well, okay, so maybe not quest that bad - just a little evil).

The reason behind using persistent connections is of course reducing number of connects which are rather expensive, even though they are much faster with MySQL than with most other databases.

They go on to talk about:

  • issues with the number of active connections that could come up
  • the use of too many connections at once
  • why persistent connections are disabled in the new mysqli extension
Their conclusion? Persistent connections are not evil. In fact, they're very good, when used in the right context and for the right kinds of queries. There's also a small push for an even newer MySQL driver for PHP by the MySQL team - the "mysqlnd" driver.

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mysql persistent connections evil active disabled mysqli mysqlnd mysql persistent connections evil active disabled mysqli mysqlnd


Zend Developer Zone:
Case Study w/ Zend Core for IBM with DB2 9 - 10k Active DB Connections
October 11, 2006 @ 16:41:00

The Zend Developer Zone has information about a case study as performed by IBM and Zend showing the performance of the Zend Core for IBM (DB2 9) to services - you ready for this? - 10,000 active database connections.

The PHP application used for this study is a DVD store application that simulates users logging into an online catalog, browsing the catalog, and making DVD purchases.

The solution presented in this paper demonstrates how Zend Core for IBM with IBM DB2 9 performs, scales, and offers the best total cost of ownership. This is showcased by scaling-out Web servers as users to the online store increase. The single DB2 data server manages this without requiring the addition of CPU and memory using its unique connection concentrator feature, which manages and balances the workload on the data server. This solution is able to efficiently service tens of thousands of simultaneous connections to the database using this powerful feature.

They've included complete information on all of the testing and infrastructure they used to achieve this impressive feat. There's even graphs and images for those skimmers out there looking to glean what they can.

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db2 database connections tenthousand active zend core ibm db2 database connections tenthousand active zend core ibm



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