CiviCRM Scheduled Job Log Report (alternative to the View Log feature in Scheduled Jobs)
This is an Extension to CiviCRM which installs a report template, Scheduled Job Log Report, which displays the most recent entries in the CiviCRM Scheduled Job Log. When the Job Log (civicrm_job_log) table gets very large this can cause WSOD or "Allowed memory size ... exceeded" errors when trying to View Log in Scheduled Jobs.
Download this repository and put uk.co.qualitytime.joblogreport into your Extensions directory, then Manage Extensions to Install it. In your Report Templates (under Contact Report Templates) you will find a new report template, Scheduled Job Log Report.