hi bill, inline
----- Original Message ----- > From: "William Allen Simpson" <william.allen.simp...@gmail.com> > To: "NFS Ganesha Developers" <nfs-ganesha-devel@lists.sourceforge.net> > Sent: Wednesday, June 21, 2017 4:01:01 AM > Subject: [Nfs-ganesha-devel] cache and hash and partitions should be primes > > Was looking through ntirpc cache/hash sizes, and discovered that: > svc_auth_des.c has 64 (not prime); not used? > authgss_hash.c has 255 (not prime). good catch > > Configurable number of partitions aren't checked for primality. > > So began checking Ganesha as well. > > src/support/export_mgr.c has a nice size of 769, appropriate for > 10,000'ish exports by id with a hit rate of 0.130208. > > src/support/ds.c has a fair size of 163, appropriate for 256'ish > active servers with a hit rate of 0.520833. > > (I chose those two a couple of years ago.) > > The number 1009 is used several places. Prime, but too large? > src/support/netgroup_cache.c > src/support/uid2grp_cache.c > src/idmapper/idmapper_cache.c > > DRC_TCP_CACHESZ 127 and DRC_UDP_CACHESZ 599, while prime, seem > completely oddball (and reversed). And allow configuration to 255 > and 2047 (not prime) respectively. careful; first is small on the theory it will retire fast, and note it is per connection the UDP DRC is global, so larger Matt > > Are there others that I've missed? > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Nfs-ganesha-devel mailing list > Nfs-ganesha-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel > -- Matt Benjamin Red Hat, Inc. 315 West Huron Street, Suite 140A Ann Arbor, Michigan 48103 http://www.redhat.com/en/technologies/storage tel. 734-821-5101 fax. 734-769-8938 cel. 734-216-5309 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Nfs-ganesha-devel mailing list Nfs-ganesha-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs-ganesha-devel
