It occurs to me that if I treat my file system as a database I am making assumption about locking and access that may not be consistent across file systems - but the operations are so fast and writes are so rare that this is unlikely to be an issue I ever experience with my little web app.
I also like how everything in a database is typed. I like to try follow good engineering practice & Little scripts have a disturbing habit of becoming production systems. Thanks for your advice. Stephen On Thu, 5 Nov 2015 at 04:02, Hendrik Boom <hend...@topoi.pooq.com> wrote: > On Wed, Nov 04, 2015 at 10:00:16PM +0000, Stephen De Gabrielle wrote: > > Thanks. 1972- now I'm embarrassed ! > > Don't be. A lot of OS's after that failed to put their files in > memory. But I believe that current Linux's can make /tmp a ramdisk, > making it fast. If RAM runs out, of course it's paged out to the swap > partition. > > But that is a system configuration issue. It *can* be doen otherwise. > > About a decade ago, a friend noticed that using floppy disks for > temporary space was really fast, though limited in size. I puzzled > about that... Turns out the floppy driver was buffering the entire disk > in RAM. > > -- hendrik > > > On Wed, 4 Nov 2015 at 20:13, Hendrik Boom <hend...@topoi.pooq.com> > wrote: > > > > > On Wed, Nov 04, 2015 at 04:53:50PM +0000, Stephen De Gabrielle wrote: > > > > I'd prefer to do it in memory. > > > > Writing to disk just to read it straight back seems like a lot of > effort, > > > > and I lose the ability to make pages that are updated on-the-fly. > > > > > > Writing to disk may not cost as much as it seems, since modern > operation > > > systems cache temporary files in memory and they may never reach the > > > disk. Whether your OS is modern in thie sense I don't know, though. > It > > > was already implemented in VSAM in OS/370. There is still, of course, > > > system-call overhead. > > > > > > -- hendrik > > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Racket Users" group. > > > To unsubscribe from this group and stop receiving emails from it, send > an > > > email to racket-users+unsubscr...@googlegroups.com. > > > For more options, visit https://groups.google.com/d/optout. > > > > > > > -- > > You received this message because you are subscribed to the Google > Groups "Racket Users" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to racket-users+unsubscr...@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to racket-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to racket-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
