The Benefits of WordPress Specific Web Hosting. Jamii Corley, Southwest Cyberport

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1 The Benefits of WordPress Specific Web Hosting Jamii Corley, Southwest Cyberport

2 Jamii Corley Southwest Cyberport Web Hosting since 1994

3 Web Hosting Options Free - (Banners, type of URL you can use, owning your domain, quality of service and tech support) Shared Hosting - lots of options, lots of things to upgrade Your own Dedicated Server - IT expense Managed Server - more limited options and expensive VPS - Between shared and dedicated

4 Web Hosting Goals Speed Security Maintainability Reliability - long term and for flash crowds Scalability Cost

5 Typical Web Farm

6 Benefits of a Web Farm Tolerates Loss of machine(s) Slow downs of one or more machines Provides an easy upgrade path Easy to add machines as needed

7 Application Specific Fewer packages are insta'ed...only insta' what you need lighter weight environment easier to upgrade more secure easier to speed up

8 WordPress Needs Good web server - capable of rewrite rules (permalinks) PHP Database

9 A.S. Hosting Goals Speed Security Maintainability Reliability - long term and for flash crowds Scalability Cost

10 Focus on these Good web server - capable of rewrite rules (permalinks) PHP Database

11 Web Server / PHP

12 Web Server Light weight version of Apache - fewer modules Pro - We' known, does anything that s needed Con - Not as fast as some web servers NgineX - a newer popular web server Pro - Fast, can act as a load balancer as we' Con - Less functionality

13 CGI Options

14 SU-PHP

15 FPM

16 PHP

17 PHP is translated into bytecode

18 Bytecode runs, talks to the database and builds an HTML page

19 Opcode Caching

20 Query Cache

21 Page Caching

22 CDN Content Delivery Network

23 Caches APC - Alternative PHP Cache - built into PHP Good for Opcode caching Only works when you have persistant processes (FPM) Memcached - Distributed Cache Server Can work on several machines Any type of caching but, slower than APC

24 Apache SuPHP vs NgineX FPM Caching vs No Caching Speed Tests

25 Database Server WordPress creates sma' to medium sized databases Database servers are usua'y I/O bound Replace rotating disks with SSD manufacturer s specification: 150 IOPS vs 80,000 IOPS (rdisk vs SSD) No seek time

26 Caching Problems Site Changes Themes Updated articles New Posts Pages that are viewed differently by different users

27 Solutions Need a signal to drop cache information WordPress has several great caching plugins Know about page updates, theme changes, etc A'ows you to mark a page to NOT be cached W3 Total Cache is a plugin we like for caching

28 Speed Opcode caching Query caching Page caching Pre-spawned CGI (common gateway interface) processes

29 Other speedups CDNs - Content Delivery Networks Choice of web server, Apache, NgineX Using SSD instead of rotating disks in database server

30 Security & Maintenance Less so*ware Fewer bugs Easier to patch Easier to upgrade Less packages to monitor for hacks

31 Reliability/Scalability Specialized Tools WP Aware Backups (Stats on posts since last backup) Staging Sites (Copies of your site to test upgrades, etc) Speed + Maintainability = Reliability There can be special situations like Flash Crowds

32 Microcaching From an article by Fenn Bailey Bottom Line: Cache everything for one-second

33 Scalability Not rea'y too different,om the traditional web farm

34 Appl Spec Web Farm

35 Cost Individual machines need to be faster, with more memory Database machines need some SSD drives for speed up Staff needs deeper training on specific application overa' the product is likely to be more expensive HOWEVER...

36 Cost Effective Many studies on lost revenue due to page load speed Knowable staff to help with issues and upgrades Fewer problems with security

37 Roll my own? Insta' a caching plugin on a shared host? Sure, however You need persistant PHP processes for APC You d need a caching server of some sort or you could use the file system to cache (slower)

38 Thanks! Southwest Cyberport your local WordPress,iendly web hosting company WordPress specific Web Hosting available in Q4 2012