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Debugging your PHP Cake Application Thursday, March 21, 13

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about n Developer and Operations at seatgeek.com n Cake Core - Plugins Site and IRC Troll n Open Source Contributor (github.com/josegonzalez) Thursday, March 21, 13

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Trace the Codepath Thursday, March 21, 13

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Thursday, March 21, 13

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Thursday, March 21, 13

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Thursday, March 21, 13

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DERP Thursday, March 21, 13

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packages/dl/1/@{* Thursday, March 21, 13

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packages/dl/1/@{* DERP Thursday, March 21, 13

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Thursday, March 21, 13

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Showing Context Thursday, March 21, 13

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debug($herp) /app/Controller/PackagesController.php (line 107) 'derp' Thursday, March 21, 13

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debug($herp) /app/Controller/PackagesController.php (line 107) 'derp' class name Thursday, March 21, 13

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debug($herp) /app/Controller/PackagesController.php (line 107) 'derp' line number Thursday, March 21, 13

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debug($herp) /app/Controller/PackagesController.php (line 107) 'derp' the good bits Thursday, March 21, 13

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xdebug apt-get install php5-xdebug # php.ini [xdebug] xdebug.cli_color = 1 Thursday, March 21, 13

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var_dump() Thursday, March 21, 13

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overrides var_dump var_dump() Thursday, March 21, 13

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type var_dump() Thursday, March 21, 13

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contents var_dump() Thursday, March 21, 13

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length var_dump() Thursday, March 21, 13

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xdebug_debug_zval() Thursday, March 21, 13

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tight loop goodies xdebug_debug_zval() Thursday, March 21, 13

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Don’t Break Production Thursday, March 21, 13

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debug(); die; Thursday, March 21, 13

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debug(); die; Thursday, March 21, 13

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diebug() Thursday, March 21, 13

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diebug() Thursday, March 21, 13

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Show Application State Thursday, March 21, 13

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git clone git://github.com/cakephp/debug_kit debug_kit Thursday, March 21, 13

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debug_kit Thursday, March 21, 13

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debug_kit Thursday, March 21, 13

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debug_kit Thursday, March 21, 13

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debug_kit Thursday, March 21, 13

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etc. Thursday, March 21, 13

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the server is part of the application Thursday, March 21, 13

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SO TREAT IT AS SUCH Thursday, March 21, 13

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redis-live Thursday, March 21, 13

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paramedic Thursday, March 21, 13

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varnishstat Thursday, March 21, 13

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statistics are good Thursday, March 21, 13

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visualizations are Thursday, March 21, 13

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Notify on Errors Thursday, March 21, 13

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first pass Thursday, March 21, 13

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second pass Thursday, March 21, 13

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third pass Thursday, March 21, 13

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fourth pass Thursday, March 21, 13

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fifth pass? Thursday, March 21, 13

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Verbose Logging Thursday, March 21, 13

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printf Thursday, March 21, 13

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no timestamp printf Thursday, March 21, 13

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needs newlines printf Thursday, March 21, 13

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SUCKS printf Thursday, March 21, 13

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sgLogMessage Thursday, March 21, 13

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categorization sgLogMessage Thursday, March 21, 13

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auto-out with newlines sgLogMessage Thursday, March 21, 13

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standard date sgLogMessage Thursday, March 21, 13

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stored logs! sgLogMessage Thursday, March 21, 13

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logs can never be too VERBOSE Thursday, March 21, 13

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Unify Logging Thursday, March 21, 13

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log-aggregator message parser notification system logstash Thursday, March 21, 13

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logstash Thursday, March 21, 13

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logstash Thursday, March 21, 13

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n Searchable logs n Aggregate all logs in one place n Alert, Notify, Create metrics from one place n Empower your developers ¿logstash? Thursday, March 21, 13

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Aggregate Metrics Thursday, March 21, 13

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graphite time-series data graph rendering simple graph url-api Thursday, March 21, 13

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graphite does not... alert on data collect data export data https://gist.github.com/3576242 Thursday, March 21, 13

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Statsd::increment(‘seatgeek.www.php.e_warning’); # sends data to statsd # metrics aggregated # view in your graphite backend sending stats Thursday, March 21, 13

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interesting usecases n check mysql replication length n track conversions in your app n expense tracking n alerting systems Thursday, March 21, 13

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earthquake effects Thursday, March 21, 13

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apc configuration Thursday, March 21, 13

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Questions? Thursday, March 21, 13