> + * mod_cache, mod_disk_cache: Try to use the key of a possible open but > + stale cache entry if there is one. This fixes problem when two different > + cache locks have been created for single stale cache entry leading to > two > + requests sent to backend. > + Remove useless apr_file_remove() before renaming the cache entry in > + mod_disk_cache. This fixes small time-frame during which stale cache > + entry can be seen as not-cached. > + PR 50317 > + 2.2.x patch: > http://people.apache.org/~jkaluza/patches/httpd-2.2.x-thundering-herd.patch > +
When/why does the key differ? Why is it not needed/present in 2.4/trunk? -- Eric Covener [email protected]
