Server Profiles
Zend Server allows you to configure the launched working environment by selecting a server profile that includes pre-defined optimized server and PHP settings. The following table specifies the difference between the three available profiles (Development, Production -Single Server, Production - Create or Join a Cluster):
| Directive | Server Profile | ||
| Name | Description | Development | Production (Single Server | 
| zend_codetracing.max_disk_space | Determines the size of the trace memory buffer | 500 | 1000 | 
| zend_debugger.allow_hosts | Specifies the hosts that are allowed to connect with the Zend Debugger while running a remote debug session with Zend Studio | Default | 127.0.0.1 | 
| zend.monitor_generate_unique_events | Determines whether all events generated by the Zend Monitor are unique events (i.e., no aggregation) | 1 | 0 | 
| display_errors | Determines whether to display errors in HTML script output | On | Off | 
| display_startup_errors | Determines whether to display startup errors | On | Off | 
| track_errors | Determines whether to store last error message | On | Off | 
| mysqlnd.collect_memory_statistics | Determines whether to enable the collection of memory usage statistics by mysqlnd | On | Off | 
| zend_jobqueue.validate_ssl | Determines whether to validate ssl errors on job requests | 0 | 1 | 
| zray.enable | Determines whether Z-Ray is enabled or not | 1 | 0 | 
Important!
Development settings as specified in the table above, are also applied when saving Zend Server Developer edition license details.






