Support » Plugin: WP Super Cache » [Plugin: WP Super Cache] load of .tmp files in the cache directory

  • Hello everyone,

    In our wp-content/cache directory, we get a lot (and I mean a lot) of .tmp files.

    It seems they have a random name, like this:


    In a day, we can find thousands of these files. They are all stored in the /cache directory, not in /cache/supercache. It’s a problem, because the folder become very huge if I don’t manually delete these files.

    I tried to switch to php or rewrite method, it doesn’t solve the problem.

    Is there anyone who can share an advice about this problem?

    Note that we define the /wp-content folder to be a /custom-content (I do not think this is an issue, but FYI).

    Any idea?



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  • Plugin Author Donncha O Caoimh


    Those are left over files when the plugin can’t create a cached file. Use the debug log, might be a problem on your server that causes that.

    This wasn’t a problem before because the plugin would delete any out of date/old files but now it’s more selective. I’ll add some code that deletes these.

    Thanks Donncha.

    I already had a look at the debug log and the only problem reported from time to time is “Problem writing meta file”, with no detail about this problem.

    If you have any clue about a server/permission configuration, it would be welcome.

    But for now, I’l simply set a chron job to delete these file.

    Thanks again and if you have any clue about the cause of the problem, I’l be happy to read your answer.


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