Hello, On Wed, Jun 25, 2008 at 4:46 PM, S.Korotky <[EMAIL PROTECTED]> wrote: > > SZ wrote: > > yes we hit the 2GB limit BUT WHY as we have 300MB > > memory usage for the rest of the program and the cache uses only 1GB. > > IOW, where does the 700MB go? > I'm afraid you should better know what memory overheads are produced in your > application than I or someone else. The actual memory consumption is shown > in the task manager, so if it says 2Gb this is 2Gb.
In our cache design, we have one TMemoryStream per cached URL object and it also has a critical section. So knowing the "memory overhead" is not sufficient in our case... > > > I think it is lost due to memory fragmentation > > (lack of FastMM doing what it's supposed to do). Has anybody seen such > > problem before? > The memory fragmentation is under your control to a certaing degree, depending > from memory allocation/reallocation/release policy (not only in the cache but > throughout the application). In the code, the constructor for each URL cache object constructs the memorystream and the cs. How else could it be?? > > Anyway this seems a little bit offtopic for ICS. A bit yes. But I think it will be valuable info for other 24/7 server authors. Thanks a lot, SZ > Best wishes, > Stanislav Korotky. > > > > > At a given time the proxy handles 1700 clients with 250Mbps and 40% cache > > hit rate with 10% CPU usage and 12 threads. So it's rather busy for > > memory than for CPU! > > > > Best Regards, > > > > SZ > > -- To unsubscribe or change your settings for TWSocket mailing list please goto http://lists.elists.org/cgi-bin/mailman/listinfo/twsocket Visit our website at http://www.overbyte.be