unifiedlogging

Unified Logging is Logging as a Service (LaaS). This plugin taps into php logging and sends the logging information to Unified Logging (http://www.unifiedlogging.com) so you can be notified if something goes wrong and then can review the messages.
To signup for a free account go to https://portal.unifiedlogging.com/signup/
After signing up visit your profile page (https://portal.unifiedlogging.com/profile/) and retrieve your submission url, access key and secret key then input these into the “Settings” page after the plugin is activated.
More info can be found at: http://blog.unifiedlogging.com/getting-started-with-unified-logging-wordpress-plugin/
Your data is sent over ssl and the secret key is used to create a hash to make sure the data is not tampered with.
NOTE: this plugin may work with earlier versions but has not been tested.

Unified Logging

The Unified Logging WordPress plugin enables php logging information to be sent to Unified Logging

Reiji Sato

Manage WordPress log files independently of WP_DEBUG mode. 
You can specify the output directory and file name, download log files, and delete them as needed.
By specifying a date format in the file name, you can split logs daily or monthly.

WP Output Log File

Manage log files with custom directory and filename. Download and delete logs regardless of WP_DEBUG.

Unified Logging vs WP Output Log File