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Questions tagged [paging]

20 questions
30
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13 answers

Is there a paging version of `watch`?

Under a UNIX shell, how can I get a similar effect to the watch command, but with paging so that I can scroll around in the output if it takes up more than one screen? In other words, I want a program that is to watch what less is to cat. As an…
David Dean
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1 answer

On Linux, what is the size of pages reported by vmstat command and/or /proc/vmstat?

As many have stated on StackExchange and elsewhere, a typical kernel/mmu page size for Linux is 4 KiB. I have verified that this is the case on my OS/architecture (RHEL 6.6, Intel Xeon E5-2690). Now among other things, the vmstat -s command reports…
Marc C
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5
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1 answer

Is it bad if your Virtual Bytes count is high in an application pool in IIS?

Related to What does Virtual Bytes mean in Worker Processes pane in IIS7.5 Manager? I have a server running a few different sites. We're seeing some performance and memory issues. When I go to Worker Processes I see one of the sites with a Virtual…
mhenry1384
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2 answers

Is there a way to configure bash to always page output?

I'd like to configure bash to page the output of all commands. Essentially, I want bash to behave as if every command I enter ended with '| less'. Is this possible?
Ben Williams
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7 answers

graphic visualization of a process memory

Is there any tool that draws a graphic visualization of a process' memory? I'd like a graph showing the percentage of pages in physical memory and in the page file.
Luca Martinetti
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3
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1 answer

Windows Server: Prevent process swapping/paging

Is there a possibility to prevent swapping for a single process? This process is an in-memory-database and should not be moved to virtual ram. all other processes should still be swap-able. I need something like the "lock pages in memory" option…
Guybrush Threepwood
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1 answer

Is there a Page Table for every process on the CPU, or is it the same for every process?

An operating system use Page Directory and Page Table to handle memory virtualization. One thing I am not sure about is in the title of this question: Is that structure the same for every process, or does each process own a specific Page Table ? It…
user96649
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2 answers

Tuning windows virtual memory/paging for a specific workload

I have a specific ram-intensive program I run which slows down my entire system for hours after each run - does the Windows NT 6.0/6.1 kernel have any tunables to encourage processes' working sets to be paged back into RAM quicker? The program in…
Oliver Mattos
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1 answer

Is it Good to place Windows Server paging files on seperate fast storage?

How much of an impact does the performance of the storage system hosting the paging files of windows machines (I guess both physical or virtual instances like VMWare / KVM / Xen / Whatever)?
Joel
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FReePBX Asterisk Paging announcement dropped after 29 Seconds

I have set up a FreePBX Asterisk Server and I configured paging announcement to a set of extension. When I dial the paging extension the annuncement is played but it stopped after 29 seconds, although the announcement file is longer than 29…
Tech Dog
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1 answer

Is there a way to check if my Virtual Memory Paging is "System Managed"

For one of our applications, we need to configure virtual memory on a Windows Machine to be system Managed. This can be done manually under System Properties -> Performance (Settings...) -> Performance Options Advanced Tab -> Virtual Memory…
user1207381
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Does an NFS client incur read/write page faults proportional to bytes read to/written from server?

Perhaps my knowledge of virtual memory has been supplanted by too much other junk. Recently I ran some database benchmark tests where all data was to be stored on an NFS server and accessed via NFSv3 mounts. While importing data into the database…
Marc C
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1
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1 answer

How can I maximize the memory usage of a single Windows process?

I have a system with a large amount of memory. Right now, to prevent a single application from paging, I've disable the paging file completely. The issue that I'm running into is that I cannot maximize memory usage for the single process I care…
EGr
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1 answer

Why is Windows writing to Page File when I have 4GB of free memory?

I have 8GB of memory on my machine, running Windows 7 Ultimate x64. I put my laptop to sleep and then woke it up. As it was coming back to life I noticed a lot of activity reads and writes from/to the pagefile.sys. Task manager only showed 4GB of…
Elan
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1 answer

How to resolve "paging space I/Os blocked with no psbuf"

We are new to AIX environment, and experiencing some performance issue running our application. When it happens, we use the vmstat command and found the fre value under memory usually very low. A sample is as follow System configuration: lcpu=4…
Sujee
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