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From Jim Riggs <>
Subject mod_cache thundering herd bug
Date Tue, 08 Apr 2014 20:11:30 GMT

While we are at ApacheCon, I would love to address this nasty bug with someone familiar with
2.2's mod_cache. Our sites were brought down a few times last year before we finally tracked
it down to being this particular bug. I am using a crude backport of the 2.3 patch (r1023398)
in 2.2. It works, but I don't know if it is correct.

Can someone look at this one with me? We really need to get this fixed in 2.2, because there
is NO thundering herd protection at all as things stand right now.

- Jim

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