fre 2006-09-01 klockan 17:17 -0700 skrev Mark Nottingham: > - squid.conf says that memory is used for "in-transit objects." > What exactly is kept in memory for in-transit objects; just metadata, > or the whole thing? metadata + what is currently being proxied. > - if something is in memory cache, does it get copied when it is > requested (because it is in-transit)? memory cache is the in-transit memory. The cache is by simply not removing the data from the in-transit buffers. > - How does sendfile support in 2.6 affect this? It doesn't. Not really usable for Squid. Using sendfile outside one thread/process per request designs is not trivial. So it works quite nicely for most traditional servers, but not that well for event loop based ones.. > - Does anyone have any experiences they'd care to relate regarding > memory-caching very large objects? Perfomance in Squid-2 on very large in-memory objects sucks a quite bit in terms of CPU usage due to poor design of the in-memory "cache" in Squid. It wasn't intended to be used for objects >8KB. Regards Henrik
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