I had a rather strange occurence today with a Perl CGI script (running on a remote host under Linux/Apache). This script appends a message to a logfile each time it is run. This message includes the time, some processed data from the query, the remote host and the user agent. I refer to it often just to make sure people are getting the results they expect and, if not, to assist in debugging. In the process of fixing a bug, I also changed the format of the log data. Next, I posted my own query just to test the change, then checked the log file to see how it was processed. Everything looked fine. A couple hours later I checked the log file again to see how things were going with other queries. Everything looked normal except for two entries made more than an hour after my update. They bore the unmistakable format of the old version of my script! I asked my hosting company if they cached scripts in any way, and they said no. But I can't think of another mechanism for this kind of behavior to occur. Has anyone had similar experiences that may shed some light on this anomaly?

In reply to Script caching? by Dr. Mu

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