| Title: | DIGITAL UNIX (FORMERLY KNOWN AS DEC OSF/1) |
| Notice: | Welcome to the Digital UNIX Conference |
| Moderator: | SMURF::DENHAM |
| Created: | Thu Mar 16 1995 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 10068 |
| Total number of notes: | 35879 |
This is probably a dumb question, but I have been through the online documentation and this notes file and don't understand this - The release notes have the following info: > Memory Mapped File Limit > The supported maximum size of a file that can be > mapped into memory without segmenting the file is 1 GB. I presume that this means using mmap. What happens when one tries to mmap a 2 or 3GB file into memory? I interpret the above to mean that it gets segmented... segmented how/what? What are the implications of mapping a file larger than 2GB into memory? any help understanding this and/or pointers to the appropriate documentation would be extremely useful. Thanks Alice [Posted by WWW Notes gateway]
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 9695.1 | NNTPD::"[email protected]" | Shashi Mangalat | Fri May 02 1997 01:09 | 7 | |
The only limits for mmap() is the virtual address space and data limits. The maximum being 4Terabytes. I don't know where the release note got it from. BTW, which release are you referring to? I looked at V4.0B release and it is incorrect in couple of limits I looked at. --shashi [Posted by WWW Notes gateway] | |||||
| 9695.2 | Corrected information needed | NNTPD::"[email protected]" | Alice DiPace | Fri May 02 1997 09:32 | 18 |
I was following up on a reference a customer/vendor made - they had sent me the reference I sited in .0. I then found the same reference in http://www.UNIX.digital.com/faqs/publications/base_doc/DOCUMENTATION/HTML/AA-Q LMB-TE_html/relnotes8.html#no_id_228 which is the online documentation for Digital Unix 4.0b. If this and other information in the release notes is incorrect, please tell me where I can get correct information or post the correction here so that I can let them know. This incorrect information may be the cause of some serious misconceptions about the abilities of Digital Unix and 64 bit computing environments. Alice [Posted by WWW Notes gateway] | |||||