----- "Bob Friesenhahn" <bfrie...@simple.dallas.tx.us> skrev:
> On Sat, 8 May 2010, Edward Ned Harvey wrote: > > > > A vast majority of the time, the opposite is true. Most of the > time, having > > swap available increases performance. Because the kernel is able to > choose: > > "Should I swap out this idle process, or should I dump files out of > cache?" > > With swap enabled, the kernel is given another degree of freedom, to > choose > > which is colder: idle process memory, or cold cached files. > > Are you sure about this? It is always good to be sure ... This is the case with most OSes now. Swap out stuff early, perhaps keep it in RAM and swap at the same time, and the kernel can choose what to do later. In Linux you can set it in /proc/sys/vm/swappiness. Anyone that knows how this is tuned in osol, btw? Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
