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subject: Various lookaside cache fixes target_version: 1.10 tags: pullup Don't touch the lookaside cache if we're responding with a lookaside cache entry. Also, leave the null entry behind if we're deliberately dropping a request (a rare case) so that we don't have to process it again. Fixes several lookaside problems in 1.10: * When dropping a request because it was already being processed, we were erroneously removing the null entry, causing us to process the request again upon a second retransmit. * When responding to a finished request with a lookaside entry, we were removing and re-adding the entry to the cache, resetting its time and performing unnecessary work. * We were not caching responses we couldn't deliver because they were too big for UDP, causing us to re-process the request when it came in again via TCP instead of simply delivering the cached response. git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@25660 dc483132-0cff-0310-8789-dd5450dbe970
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