Excellent! Thanks for the answer. In fact we did have to choose between tmpfs and ramfs, and now I know which one is better for certain.
On Tue, Oct 22, 2013 at 12:21 AM, Uwe Schindler <[email protected]> wrote: > Hi, > > E.g., the Linux kernel implementation of tmpfs (inspired by Solaris) is to > work solely on virtual memory - RTFM: > https://www.kernel.org/doc/Documentation/filesystems/tmpfs.txt > This is the main difference between a stupid old ramfs (aka RAM disk) and > tmpfs. > > Uwe > > ----- > Uwe Schindler > H.-H.-Meier-Allee 63, D-28213 Bremen > http://www.thetaphi.de > eMail: [email protected] > > > > -----Original Message----- > > From: Reg [mailto:[email protected]] > > Sent: Tuesday, October 22, 2013 8:27 AM > > To: [email protected] > > Subject: use MMapDirectory with tmpfs? > > > > Hi there, > > > > If I put Lucene segments on tmpfs and use MMapDirectory to access them, > > would the kernel be so dumb to load the files from tmpfs to another copy > of > > file system cache before map it to the virtual address? Or it just maps > tmpfs > > to the virtual address directly? I tend to believe it's the later but > want to > > confirm with the experts. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
