On Mon, 10 Sep 2007 16:18:47 +0200 Matus UHLAR - fantomas <uhlar@xxxxxxxxxxx> wrote: > On 10.09.07 18:32, Umesh Upreti wrote: > > It's obviously 200 thousand Kb that means 200MB approx. and as per > > you said I have left replacement policy default that is least > > recently used (LRU). > > this is very inefficient, try "heap lru" at least, but with such big > files I'd use "heap LFUDA" to spare bandwidth. Is that really true? I thought it was the other way around, there's a comment in the source that "heap lru" is only there for testing purposes. A heap gives you a priority queue where you can efficiently sort-in an object with any priority value, and easily access one end of the queue. With LRU you only need to insert at the end, so a heap gives an unnecessary overhead.
