[dev-serveez] http cache (LRU detection)

[stefan]

Hello Raimi,

the CVS contains a modified version of the LRU detection in the http
file cache hopefully solving the performance problem with smaller files.
You remember the test ? On more http cache entries the response
significantally slowed down. The new algorithm (double chained list)
should solve this problem.

Could you please test this ? You should ./configure --disable-debug in
order to test it. Reports would be nice. Does a small file test use the
full bandwidth of a 100 MBit line now ?

Thanks in advance,
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