I was never running with a cache that big. I was running a 3GB cache and it worked ok. I never filled it nor did I actually run any performance tests.
Recent versions of OpenAFS should support it relatively well. -derek Nickolai Zeldovich <[EMAIL PROTECTED]> writes: > > ... is it useful to have a, say, 18Gb client cache? > > You might hit some performance problems in the dcache code with a > cache that large. There's a number of places where the dcache code > does linear scans of all dcache entries, and you'll potentially have > 1.8 million dcache entries in the kernel. (You could probably cut > that down to ~280k by having fewer dcache entries and assuming you'll > cache mostly whole 64K chunks, but it's still quite a bit.) > > It'd be interesting to see what particular performance problems you > would infact hit with such a large cache, and fix them, but that's > more in the long run.. > > -- kolya > _______________________________________________ > OpenAFS-info mailing list > [EMAIL PROTECTED] > https://lists.openafs.org/mailman/listinfo/openafs-info -- Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory Member, MIT Student Information Processing Board (SIPB) URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH [EMAIL PROTECTED] PGP key available _______________________________________________ OpenAFS-info mailing list [EMAIL PROTECTED] https://lists.openafs.org/mailman/listinfo/openafs-info
