On Fri, Jan 05, 2007 at 04:36:06PM +1100, Nick Piggin wrote: > I was thinking like a 100 line C program that I can reproduce here ;) not soon, but I'll try to produce it.
> If you can even describe the steps it does: (eg. mmap file A, write(2) to > it, truncate it, ...., should contain 1s but it contains 0s!), then we > might have some suggestions to try. I ignore this... I mean, BerkelyDB does all this on its own (we just talk with the library). we never touch directly the DB. > One obvious thing is change filesystems or filesystem block sizes, try > ext2 or even tmpfs. Another is to try using write(2) instead of mmap to > write data. well, I tried all filesystems, tmpfs also. I know BDB use a lot mmap. thanks, gelma - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/