Thanks, Joerg, for clearing that up. cu Martin
On Mon, 4 Nov 2002 19:18, Mensing, Joerg wrote: > Hi, > since SAPDB does not use any feature of a filesystem for its > volumes(alias devspaces) any kind of filesystem overhead including a > buffer cache is just an overhead. SAPDB opens using O_SYNC, but O_DIRECT > is not yet used. All Read/Write activity use Systempages which are > aligned to 4KByte. The LINUX raw devices which are preferred are those > 'unbuffered' /dev/raw/rawX. CU > jrg > _______________________________________________ sapdb.general mailing list [EMAIL PROTECTED] http://listserv.sap.com/mailman/listinfo/sapdb.general
