Moodle Speed Optimization Plugin:
Generally when Moodle is used to perform quizes, there is 1 module "Quiz Attempt" which tends to get filled up with all data. To Optimize that automatically PAL InfoCom has created plugin which deleted fortnightly and helps Moodle to run faster.
For more information: http://palinfocom.net/moodle-quiz-attempt-optimization-solution
About PAL InfoCom:
PAL InfoCom Technologies Pvt. Ltd. is leading Moodle ( LMS ) Services & Solutions Company in US, UK, Australia, India etc. It provides Moodle Developers, Support, Moodle Development, Customization. PAL InfoCom is working since 2008 and have build up very large number of good clients in Moodle, PHP Technologies.