On Wed, Aug 31, 2016 at 10:43 AM, Stephan Beal <[email protected]> wrote:
> On Wed, Aug 31, 2016 at 10:39 AM, sanhua.zh <[email protected]> wrote: > >> In my testcase, I can only [mmap] a db file at most 1.4GB size. But in >> this new way, I can map a file at most 3.2GB. The test device is iPhone 6S. >> > > According to google, the iPhone 6s only has 2GB of RAM, so you can't > memmap 3.2G. > Correction: you can map larger than physical memory, up to limits set by the OS environment. In your case, see: http://stackoverflow.com/questions/9184773/is-there-a-practical-limit-on-the-number-of-memory-mapped-files-in-ios > In any case, as Simone said, _other apps_ require memory of their own as > well. > Correction 2: Simon, not Simone (my roommate's name, so i type the 'e' out of habit) -- ----- stephan beal http://wanderinghorse.net/home/stephan/ "Freedom is sloppy. But since tyranny's the only guaranteed byproduct of those who insist on a perfect world, freedom will have to do." -- Bigby Wolf _______________________________________________ sqlite-users mailing list [email protected] http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
