Cashing For Cash, part 1 DPC 2009
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Cashing For Cash, part 1 DPC 2009
- 1. Caching For Cash Dutch PHP Conference – Amsterdam, June 2009
- 2. Head of R&D at echolibre , pear extraordinaire, published author, party person and an Icelande r
- 3. Works at Jelsoft , php core developer, published author, party person and a Scottish person
- 10. Diagnose
- 11. Recitfy
- 17. APD XDebug
- 18. ab Siege Apache Flood Memtrack XHProf GUIMark Hardinfo Bonnie++
Hinweis der Redaktion
- Websites have more pages than you think. Performance effects are aggregate.
- Database Buffer Cache Network etc
- Overloaded databases Badly configured machines NFS / File system contention Solutions: Get a real system administrator Pick the right database for the job Clustered / Proxy databases
- Missing indexes. Poor schema architecture. Bad database tuning. Selecting too many columns / rows
- Proxy callout to external services Remote PHP includes REST / AJAX SOAP / RPC calls Solutions: Cache the network calls Design your AJAX so you can easily cache it
- Image manipulation Encryption system/exec/etc. function calls Solutions Off load work to other machines Gearman and similar are your friends
- Performing extensive looping text replacements Performing extensive looping in general Badly written Regular Expressions Extensive recursive functionality