Admin Page Causing Excessive Resource Usage Warnings

I seem to be getting these a lot lately… Anyone know why the admin page might be causing this? I’m running on a VPS with 8 processors and 5632mb of RAM.

Resource: Process Time

Exceeded: 33678 > 1800 (seconds)

Executable: /usr/bin/php

Command Line: /usr/bin/php /home/xxxx/public_html/xxxx.php (my admin page)

PID: 6493 (Parent PID:5811)

Killed: No

1800 might be small for import/export operations. Distributed value is 3600.