On May 10, 2010, at 9:06 AM, Bob Friesenhahn wrote: > On Mon, 10 May 2010, Thomas Tornblom wrote: >> >> Sorry, but this is incorrect. >> >> Solaris (2 if you will) does indeed swap processes in case normal paging is >> deemed insufficient. >> >> See the chapters on Soft and Hard swapping in: >> >> http://books.google.com/books?id=r_cecYD4AKkC&pg=PA189&lpg=PA189&dq=solaris+internals+swapping&source=bl&ots=oBvgg3yAFZ&sig=lmXYtTLFWJr2JjueQVxsEylnls0&hl=sv&ei=JbXnS7nKF5L60wTtq9nTBg&sa=X&oi=book_result&ct=result&resnum=4&ved=0CCoQ6AEwAw#v=onepage&q&f=false > > If this book is correct, then I must be wrong. I certainly would not want to > use a system which is in this dire condition.
It is correct (and recommended reading :-). I find this knowledge useful for troubleshooting. If you stumble across a stumbling system and notice that the vmstat "w" column is not zero, then you know that at some time in the past the system has experienced a severe memory shortfall. -- richard -- ZFS storage and performance consulting at http://www.RichardElling.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
