- Community Home
- >
- Servers and Operating Systems
- >
- Operating Systems
- >
- Operating System - OpenVMS
- >
- Re: Too Much Free Memory on a VAX V7.1
Operating System - OpenVMS
1753320
Members
6343
Online
108792
Solutions
Forums
Categories
Company
Local Language
юдл
back
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Forums
Forums
Discussions
юдл
back
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Blogs
Information
Community
Resources
Community Language
Language
Forums
Blogs
Topic Options
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-28-2010 07:46 AM
тАО04-28-2010 07:46 AM
Re: Too Much Free Memory on a VAX V7.1
>>>Steve, they move to the Modified List first, not to the Page File(s).<<<
Nope, still confused. Sorry to be clueless on this.
Nope, still confused. Sorry to be clueless on this.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-28-2010 08:03 AM
тАО04-28-2010 08:03 AM
Re: Too Much Free Memory on a VAX V7.1
>Nope, still confused. Sorry to be clueless on this.
Pages of memory that overflow (page out) from the working set out to the modified list and can move from there out to the pagefile (slow) or back into the working-set.
Faults from the modified list are so-called soft faults and (while there's some overhead here) not nearly as expensive as a so-called hard fault of a memory page back in from disk.
See "7.2.1.1 Hard and Soft Page Faults" here:
http://h71000.www7.hp.com/doc/73final/6491/6491pro_006.html
Pages of memory that overflow (page out) from the working set out to the modified list and can move from there out to the pagefile (slow) or back into the working-set.
Faults from the modified list are so-called soft faults and (while there's some overhead here) not nearly as expensive as a so-called hard fault of a memory page back in from disk.
See "7.2.1.1 Hard and Soft Page Faults" here:
http://h71000.www7.hp.com/doc/73final/6491/6491pro_006.html
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-28-2010 10:13 AM
тАО04-28-2010 10:13 AM
Re: Too Much Free Memory on a VAX V7.1
Janet,
Understanding the usual dangers of "prescribing over the phone" with many of the details unknown, I note that rather than increasing the quotas, an often higher-performance pathway is to do the needed homework to INSTALL the images used by the application.
INSTALLED shareable images are far and away a huge performance win if the majority of the pages are image pages (as opposed to read/write data pages).
- Bob Gezelter, http://www.rlgsc.com
Understanding the usual dangers of "prescribing over the phone" with many of the details unknown, I note that rather than increasing the quotas, an often higher-performance pathway is to do the needed homework to INSTALL the images used by the application.
INSTALLED shareable images are far and away a huge performance win if the majority of the pages are image pages (as opposed to read/write data pages).
- Bob Gezelter, http://www.rlgsc.com
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО04-28-2010 10:48 AM
тАО04-28-2010 10:48 AM
Re: Too Much Free Memory on a VAX V7.1
Again, everyone. Thank you.
I am at this very moment creating the presentation notes for a meeting tomorrow to change WSMAX on the cluster. One baby step is better than no baby steps.
I installed every image I could last year though we still have many open files on the system disk, it does not have an IOREQ Len greater than .10 ever.
We have a high image activation and some of those are really large cobol programs that are not written with predication in mind.
The biggest system bovine we have is the 4GL FOCUS from IBI. Application design is not VMS saavy.
The EDA user is a WebFocus (TSCOM3) interface. This is the EDA user, which by the way, are detached processes waiting for web users. I apologize if I repeated this.
Reply only gives me the original question. I'm new. I'll get with the program and figure out a better way to answer.
I am at this very moment creating the presentation notes for a meeting tomorrow to change WSMAX on the cluster. One baby step is better than no baby steps.
I installed every image I could last year though we still have many open files on the system disk, it does not have an IOREQ Len greater than .10 ever.
We have a high image activation and some of those are really large cobol programs that are not written with predication in mind.
The biggest system bovine we have is the 4GL FOCUS from IBI. Application design is not VMS saavy.
The EDA user is a WebFocus (TSCOM3) interface. This is the EDA user, which by the way, are detached processes waiting for web users. I apologize if I repeated this.
Reply only gives me the original question. I'm new. I'll get with the program and figure out a better way to answer.
- « Previous
- Next »
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
News and Events
Support
© Copyright 2024 Hewlett Packard Enterprise Development LP