eZ publish and performance

LinuxTag 2004

June 24th, 2004. Karlsruhe, Germany

Derick Rethans <dr (at) ez (dot) no>

Slide 1/17 September 15 2004Questions

Questions?

- 2 -

Slide 2/17 September 15 2004Challenge: Improve eZ publish 3.3 performance

o Too much memory usageo Too much CPU usage

- 3 -

Slide 3/17 September 15 2004Accelerating: APC

o Acceleraters store PHP 'Byte Code'o Shared Memoryo Faster Execution

- 4 -

Slide 4/17 September 15 2004The Hunt for Speed

o Xdebug: a tool to debug PHPo Tracing function callso Profiling Applications

- 5 -

Slide 5/17 September 15 2004Tracing the Problems

o Xdebug's Trace Featureso Trace function callso Provides details on memory usage

- 6 -

Slide 6/17 September 15 2004Xgui

o Simple Tracefile Browser

- 7 -

Slide 7/17 September 15 2004Finding the Bottleneck

o Xdebug's Profiling Featureso GUI analysing with KCachegrindo Provides details on CPU usage

- 8 -

Slide 8/17 September 15 2004Speeding up

o Processed Templates est morto Viva la Compiled Templates

- 9 -

Slide 9/17 September 15 2004Reducing Memory Usage

o Processed vs. Compiled Templateso Loading Data Types on demando From 11MB to 7MBfunction &create( $dataTypeString )

{ $types =& $GLOBALS["eZDataTypes"]; $def = null;+ if ( !isset( $types[$dataTypeString] ) )+ {+ eZDataType::loadAndRegisterType($dataTypeString);+ }+ if ( isset( $types[$dataTypeString] ) ) { $className = $types[$dataTypeString];@@ -709,6 +716,4 @@ var $Name; }

-eZDataType::loadAndRegisterAllTypes();

- 10 -

Slide 10/17 September 15 2004Accelerating More

o Turck MM Cacheo PHP Acceleratoro Zend Performance Suite

- 11 -

Slide 11/17 September 15 2004Apache Is Slow!

o When you're using PHP as DSO moduleo So use static compiled moduleso or compile with --prefer-non-pic

- 12 -

Slide 12/17 September 15 2004Say Squeeze

o Optimized ./configureo Memory Limito Shorter Patho Use include() in a smarter wayo Ramdisk

- 13 -

Slide 13/17 September 15 2004Static Squids

o Reverse Proxyo Tied into Apacheo Static Generatedo Huge Performance Boosto No 'Dynamic' Content

- 14 -

Slide 14/17 September 15 2004Preview Caching

o Generated on Publisho Static Generatedo First 'hit' is fast[ContentSettings]

PreViewCache=enabled

- 15 -

Slide 15/17 September 15 2004No Indexes for Now!

o Search Engineo Indexing takes Timeo Delay Indexing to Cron Jobo Publishing is Faster[SearchSettings]

DelayedIndexing=enabled

- 16 -

Slide 16/17 September 15 2004For the Future

o Static .html generation part of eZ publisho Further Optimizations (Template Compiler, Memory Usage)o Clustered Object Cachingo SRM

- 17 -

Slide 17/17 September 15 2004Resources

These Slides: http://pres.derickrethans.nl

Xdebug site: http://xdebug.org

Non-pic: http://news.php.net/php.internals/9828

eZ publish: http://ez.no

Questions?: dr (at) ez (dot) no

- 18 -

Index

Questions ................................................................................................... 2Challenge: Improve eZ publish 3.3 performance ...................................... 3Accelerating: APC ..................................................................................... 4The Hunt for Speed ................................................................................... 5Tracing the Problems ................................................................................ 6Xgui ........................................................................................................... 7Finding the Bottleneck .............................................................................. 8Speeding up ............................................................................................... 9Reducing Memory Usage .......................................................................... 10Accelerating More ..................................................................................... 11Apache Is Slow! ........................................................................................ 12Say Squeeze ............................................................................................... 13Static Squids .............................................................................................. 14Preview Caching ....................................................................................... 15No Indexes for Now! ................................................................................. 16For the Future ............................................................................................ 17Resources .................................................................................................. 18