Limiting Swap File Usage

i have an issue with my main drive, and whilst i am getting this sorted, in the meantime i have installed a new installation of mavericks onto a 16gb flash drive.
now a usual fresh install of mavericks takes about 5.8gb and this should leave me a few gb to work with, but alas, the swap file has kicked in and filled all the free space leaving me 688mb on the flash drive. this is fine for using safari, but hopeless on trying to update flash.
how can i manually set a limit to the swap file?
this is a temporary solution until the main drive is fixed, so I'm not stressed about longevity of the problem.

The first thing that happens on a new system has nothing to do with the swap file. It's the creation of the hibernation image file that is roughly equal to the amount of RAM in your computer. I'd guess yours is around 8 GBs.
It's a terrible idea to try and run the computer from a flash drive. That may be useful for creating an installer disk or an emergency recovery disk that you use once in a while.
Your only temporary solution is to change the hibernation mode and erase the hibernation sleep image file.
Open the Terminal and paste the following at the prompt:
sudo pmset -a hibernatemode 0
Press RETURN.
rm -rf /var/vm/*
Press RETURN.
After the first command you will be prompted to enter your admin password which is not echoed to the screen - type carefully.

Similar Messages

Swap file usage

Hi
We have recently updated a MII Server from Netweaver CE 7.1 SP4 with MII 12.1.5 (Build 86) to Netweaver CE 7.1 SP5 with MII 12.1.9 (Build 109). The MII server is running on a Windows Server 2003 64-bit with 8GB of RAM.
After the update the swap file usage has increased from an average of 5-10% usage to now close to 80% usage. The only thing changed is the Netweaver and MII version, please advice how to proceed?
Best Regards
/Simon Bruun

The first thing that happens on a new system has nothing to do with the swap file. It's the creation of the hibernation image file that is roughly equal to the amount of RAM in your computer. I'd guess yours is around 8 GBs.
It's a terrible idea to try and run the computer from a flash drive. That may be useful for creating an installer disk or an emergency recovery disk that you use once in a while.
Your only temporary solution is to change the hibernation mode and erase the hibernation sleep image file.
Open the Terminal and paste the following at the prompt:
sudo pmset -a hibernatemode 0
Press RETURN.
rm -rf /var/vm/*
Press RETURN.
After the first command you will be prompted to enter your admin password which is not echoed to the screen - type carefully.

Not memory consumed, no swap file usage

We have a 4 processor Windows 2000 server with 4 gig of Ram.While running a data load and calc process against one database in Essbase that pegs the cpu at 2 gig, the Essbase server info window shows no memory being used and no swap file space being used....Why? Is this a bug in Essbase, do other people note the same problem?Thanks for any insight you can provide,GeorgePS - We're on Essbase 6.1 patch 3a.

Essbase has configurable parameters that control RAM usage - specifically:The Index CacheThe Data CacheThe Data File CacheThe Calc CacheThese settings will have an effect on what memory Essbase uses during a calc. They can be found in Database / Settings using Application Manager.Regards,Jade===============================Jade ColeSenior Business Intelligence ConsultantClarity [email protected]

High swap file utilization - 11g on windows 2003 x64

Hi,
I'm running database 11.1.0.6 patch set 10 on
Windows Server 2003 x64 standard
HP DL380 dual quad core + 8GB RAM
2 x 72GB 15K SAS mirror for OS
6 x 72GB 15k SAS RAID-5 for data + logs (i know ideally logs need to move to a RAID-1 set etc)
dedicated mode
database is about 10GB (main set of tables about 1GB)
SGA + PGA 4GB (auto memory management)
server has been set to network application mode such that less mem is allocated to the system cache etc.
Large Page support has been enabled (not confirmed if this is working, any ideas how to?)
Looking at the page faults and page out perf mon stats it looks too high/ too much given the arrangement above. The majority of the page faults are coming from the Oracle.exe process. But I cannot explain why specially if Large Page is setup then the SGA etc should be locked in to RAM as I understand.
side note I was seeing similar behaviour on the older 10.2.0.1 DB that had same mem config for the same set of data.
Any ideas people?
Thanks

JA,
On the server, open Task Manager and then select the Processes tab. Make certain that it is configured to show the Page Faults column and click on the entry for the Oracle instance so that it is highlighted. Then, open a command prompt and start SQL*Plus with the /NOLOG command line parameter. Make note of the current value of Page Faults and then connect to the database instance using SQL*Plus using the SYS user account (or some other account). You will probably find that the Page Faults value jumped by about 302 as a result of the login, and the value just might jump again when you disconnect from the database. Keep in mind that each session connecting to an Oracle instance running on Windows will require at least 1MB of memory immediately on connection as an additional thread is created (assuming shared server is not used). If each memory page were 4KB in size (as is the standard in Windows), there would likely be at least 256 (1MB / 4KB) page faults for each login, and possibly the same amount per disconnect. With this in mind, I am not so certain that 500 page faults per second is a high value for a Oracle process running on Windows if users/applications are constantly connecting and disconnecting from the Oracle database instance.
To determine if there is a performance problem caused by memory utilization, what you may want to do is take a look at the PF Usage value on the Performance tab of Task Manager. This is NOT the page file usage, regardless of the warnings that appear in Enterprise Manager - this is total memory allocation including RAM and swap file usage. There is an interesting thread where I discovered the actual meaning of PF Usage here:
http://groups.google.com/group/comp.databases.oracle.server/browse_thread/thread/b62c4d761cace2a6
If the PF Usage is considerably less than the amount of the RAM in the server (8GB RAM -> PF near 7GB is OK), you will likely be OK, as long as you do not attempt to move multi-gigabyte files around - doing so could cause short term memory starvation issues for Oracle. You might want to verify that the File and Printer Sharing option of the network card is set to "Maximize throughput for network applications" so that Windows will limit the memory used for file caching.
Charles Hooper
IT Manager/Oracle DBA
K&M Machine-Fabricating, Inc.

Fusion Drive & Swap files

From time to time on my new Mac Mini with 1 TB Fusion Drive, I am getting the following error: "Your Mac OS X startup disk has no more space available for application memory."
This would indicate an issue with being able to write swap files/virtual memory. If I understand how the Fusion Drive works, the virtual memory is stored on the 128 GB SSD portion. The SSD is full, considering I have 650 GB free on the 1.128 TB Fusion Drive.
Seems like a CoreStorage issue, as it's apparently not leaving enough space on the SSD for the swap files after the computer has been run for a while. I have 16 GB RAM in the Mini.
Restarting the computer solves the issue, although I often use the Mini in remote sessions and when this error comes up, performance on the Mini tends to be so sluggish that sometimes remote connections time out or drop, making it hard to even be able to restart the computer.

Your problem is excessive swapping of data between physical memory and virtual memory.
That can happen for two reasons:
You have a long-running process with a memory leak (i.e., a bug), or
You don't have enough memory installed for your usage pattern.
Tracking down a memory leak can be difficult, and it may come down to a process of elimination. In Activity Monitor, select All Processes from the menu in the toolbar, if not already selected. Click the heading of the Real Mem column in the process table twice to sort the table with the highest value at the top. If you don't see that column, select
View ▹ Columns ▹ Real Memory
from the menu bar.
If one process (excluding "kernel_task") is using much more memory than all the others, that could be an indication of a leak. A better indication would be a process that continually grabs more and more memory over time without ever releasing it.
If you don't have an obvious memory leak, your options are to install more memory (if possible) or to run fewer programs simultaneously.
The next suggestion is only for users familiar with the shell. For a more precise, but potentially misleading, test, run the following command:
sudo leaks -nocontext -nostacks process | grep total
where process is the name of a process you suspect of leaking memory. Almost every process will leak some memory; the question is how much, and especially how much the leak increases with time. I can’t be more specific. See the leaks(1) man page and the Apple developer documentation for details:
Memory Usage Performance Guidelines: About the Virtual Memory System

Changing swap file location on tray-loader iMacs

This is not a question, but something I discovered that makes my old tray-loader iMac (the oldest iMac models) run Mac OS X much better.
As you may know, these oldest iMacs have an 8GB size limit on the boot volume. The largest stock drive on these iMacs was 6GB. That means if your upgraded hard drive is larger than 8GB, it must be partition so that the first partition is under 8GB (7.78GB on my iMac), and it must be the boot partition where the OS is installed (whether it's Mac OS X or 9).
In my case, I have a roomy 120GB hard drive (I believe the useable limit on these iMacs is 128GB). The first partition is just under 8GB, the second partition is the rest of the space, about 104GB. I have used every trick out there to move files (such as the iTunes music folder and most of my user/documents files) off to the second partition, to make free space on the boot partition as large as possible. So I have 3.5GB free on my 8GB boot partition. This is about 40% of the volume's total space so it seems pretty good, until you realize that most recent Macs have much more than the TOTAL 8GB I have, as free space on the boot volume. Mac OS X was just not designed to work well with small boot volumes...
Mac OS X uses the free space on the boot volume for its virtual memory "swap file." Considering these old iMacs max out at 512MB of RAM, virtual memory is being used quite a bit. But since space on the boot volume is very limited, low RAM and lack of free space can lead to performance issues. Here's what I observed. When I initially started up my iMac, I had about 3.5GB of free space. Over time, as I used more and more apps, that free space would diminish until I had only about 600MB remaining (as reported by a Finder window). At the same time, I noticed performance getting bogged down and more "chugging" sounds coming from the hard-working hard drive.
I've known about changing location of the swap file, but never tried it until recently. During the Mac OS X boot process, the Mac sets the location of the swap file. By default, the swap file resides on the boot volume (I believe most other Unix-based systems use a dedicated "swap partition" for the swap file). Since most recent Macs have large drives set up as one partition (and there is plenty of free space), and since many users have upgraded their RAM (and virtual memory is not as critical), swap file location is usually not an issue, and there is certainly no need to change the swap file location. However, on my iMac with an 8GB limit on the boot volume and 512MB of RAM, it made a noticeable difference.
I found one set of procedures on the web that was much better than the others I found for changing the location of the swap file.
http://www.math.columbia.edu/~bayer/OSX/swapfile/
On this page, there are two choices for Panther users. I used the one that works for both Panther and Tiger, because it appeared to me to be more straightforward. The author intentionally keeps the instructions somewhat technical to discourage users who are not technically inclined. I don't consider myself to be too "geeky," but I can follow instructions and type a few commands in Terminal.
After I changed the swap file location to a large mostly empty volume, I noticed much better performance when I have many large apps open at the same time. Performance no longer degrades over time, and the free space on my boot volume remains a constant 3.6GB.
The reason for this post is to share this information. Some users of these old iMacs may be noticing the same issues I had. This is a possible solution. However, if everything is OK with your set up, there is no reason to change the swap file location. If you try it, be sure to take the usual data backup precautions.
If anyone else has experience with changing swap file location, please post your comments here.

Problem has been solved:
background.setCapability(Background.ALLOW_IMAGE_WRITE);Thanks everybody for reading this :)

Swap file keeps increasing until out of space

Hello, I have a serious problem with my swap file on my 10.6 server. My server is creating swap files that are 1.06 GB each! and it will keep creating these files until it uses all available disc space which is around 40GB. At that moment, the server will basically crash. Has anyone seen this before? I have 2GB memory, could they be bad?
thanks!

dunne89 wrote:
I have the same problem. I hav 62 swap files weighing in at 1.07GB EACH!! When i run multiple applications it says its running out of memory even though theres 100GB left on my hard drive. Im running 10.6.8. I did a reboot about a week ago and it deleted all the swap files but one, which is great, but now they've gradually built back up again and i dont kno what to do. i dont want to have to reboot every few days to be able to use my computer. any suggestions?
As mentioned, what cured it for me was installing the 10.6.8 version 1.1 combo update. Even if you have already previously upgraded to 10.6.8 nothing prevents you re-running this combo update. You can download it from here http://support.apple.com/kb/DL1402
It is normal for VM usage to grow over time especially if the computer is running a number of apps, but my previous problem was using up space far faster than normal and is now back to normal after running the combo update.

0 Swap File virtual memory

My computer has been a dog for awhile now. I finally got Activity Monitor to open (long story). And I noticed that I have 6 GB swap file, but none of it is being used despite all of my ram being allocated. I am certain that this creates slow downs... right?
I checked a few websites and tried running commands to turn the swap file on
sudo launchctl load /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
It says that it is already working. But the 0 doesn't change.
Should the Swap file be showing some usage?
Help if you can.

There's a screenshot. My Memory Usage spikes and I get the spinny wheel and the computer is super slow... but the SWAP remains at zero.

Large swap file (900MB), but no pageouts

My MacBook Air 13" with 4GB of RAM accumulates a large swap file over time, but pageouts are 0 (page ins: 1.1million). Anyone know why? Is it possible to see which process/application currently have pages stored in the swap file?

Sorry to dig this old thread up, but I am seeing an identical behavior to the original poster, and I just wanted to say—you did an excellent job of explaining how page ins can be very large with no pageouts, but I don't think this explains the real mystery, which is that there is a large amount of swap space, and a large amount the system says is used, but there are no page outs. You have not explained how a swap file gan grow in usage with no page outs, and if I understand things correctly, this should not be possible.
I'm having the same issue on my new MacBook Pro with Retina display. I have 16GB of RAM and for the most part I don't use more than 4-6GB of that—I bought it for the occasional times I need to do a lot of VM testing, but I haven't needed to do that yet. I consistently see my swap usage grow to be as large as 2-3GB with a total size for all the swapfiles in /var/vm being 3-4GB.
I don't need the space, and the system isn't slow or anything. I just want to know how this is possible. I have been using Mac OS X for 10 years now, and working on linux servers for 5 years or so. I've never seen swap usage be more than 0KB when there are no page outs.
I've attached some screenshots of what I am seeing:
Screen capture from Activity Monitor.
Screen capture from Terminal executing 'du -hsc /var/vm/swapfile*' to tally the total size of the swapfiles.
I should note that it tends to take a day or two of use to start to see this, in a series of sleep cycles here and there. I put my laptop to sleep at night as well as to and from work, etc. It probably sleeps/wakes 5-7 times a day in all. I tend to notice that the usage creeps up, starting atound 50 MB, then I will notice it being a few hundred some time later. It really makes me wonder if this has to do with some kind of discrete vs. dedicated graphics switching or something, perhaps a very low level operation that is somehow avoiding getting counted by the system's resource tracking facilities. I have no idea, but I would love it if there were someone out there who could explain it or point me in the right direction.
Thanks for your time.

Performance Question : Swap File on SSD

In the past I've stored my swap file on a non-system disk. Now, however, my system disk is an SSD and the competition between system swaps and Photoshop swaps should be reduced if not eliminated. At least, that's what I think. I have other physical hard drives, but I'm wondering if specifying one of them for the swap file buys anything over using the SSD.
Also, what the heck does the Camera Raw cache do to increase performance? This is all over the 'net and nobody explains why but they say it will improve performance of Photoshop and Lightroom. How do you calculate the best size for the cache?
Thanks
Steve

On the issue of killing the flash drive; at the risk of being redundant, allow me to quote myself:
So, what is the current consensus on the feasibility/advisability of using flash memory for swap? I've read about the limited write cycles of flash being an argument against using it for swap. But recent reading indicates to me that the limited write cycles problem applies mostly to older, smaller-capacity flash memory. Some come right out and say that, for larger-capacity flash memory, the life of the device is likely to exceed the amount of time your current computer will be useful (I think I've seen estimates in the range of 3-4 years life--minimum--for newer, higher-capacity flash memory).
Now that we've established that the life of the flash memory is not a significant issue in this discussion, we may move on to a consideration of why I am considering NOT buying RAM. I won't quote myself on that, but suffice to say that I already have pen drives and other flash memory laying around that could be easily pressed into service for such a project. Any discussion concerning issues I've not already addressed regarding RAM vs flash memory for the task at hand?
James

Large Swap file

Model Name:    MacBook Pro
Model Identifier:    MacBookPro6,2
Processor Name:    Intel Core i5
Processor Speed:    2.53 GHz
Number Of Processors:    1
Total Number Of Cores:    2
L2 Cache (per core):    256 KB
L3 Cache:    3 MB
Memory:    8 GB
Processor Interconnect Speed:    4.8 GT/s
Running the latest version of Parallels and Windows 7 64 bit.
Using the Activity monitor I find that I always have a large swap file (even when parallels is not running), a huge amount of inactive memory and a very small free memory. It slows down my system. Any suggestions?

First, upgrade your system to 10.6.7 or 10.6.8. Second, large swap files don't necessarily mean a thing. You might see the following:
About OS X Memory Management and Usage
Reading system memory usage in Activity Monitor
Memory Management in Mac OS X
Performance Guidelines- Memory Management in Mac OS X
A detailed look at memory usage in OS X
Understanding top output in the Terminal
The amount of available RAM for applications is the sum of Free RAM and Inactive RAM. This will change as applications are opened and closed or change from active to inactive status. The Swap figure represents an estimate of the total amount of swap space required for VM if used, but does not necessarily indicate the actual size of the existing swap file. If you are really in need of more RAM that would be indicated by how frequently the system uses VM. If you open the Terminal and run the top command at the prompt you will find information reported on Pageins () and Pageouts (). Pageouts () is the important figure. If the value in the parentheses is 0 (zero) then OS X is not making instantaneous use of VM which means you have adequate physical RAM for the system with the applications you have loaded. If the figure in parentheses is running positive and your hard drive is constantly being used (thrashing) then you need more physical RAM.
Adding RAM only makes it possible to run more programs concurrently. It doesn't speed up the computer nor make games run faster. What it can do is prevent the system from having to use disk-based VM when it runs out of RAM because you are trying to run too many applications concurrently or using applications that are extremely RAM dependent. It will improve the performance of applications that run mostly in RAM or when loading programs.
Bear in mind you are running Parallels and a VM concurrently with some other OS X applications. Too many concurrent applications will result in using too much memory and increasing swapping.

Muliple Swap files on Lombard running Panther 10.3.9

My PB since yesterday notify out of memory.
Checking the system, i find the Kernel is using 500 Mb sharing three different swap files. The HD have 2 Gb free, but the kernel left only 475 Mb free.
Any have any information about it?
How to fix it.

If you don't have enough RAM available on your machine to store all the processes which are open, Mac OS X will create swapfiles as needed. Quitting enough applications to give your machine a significant pool of free memory will make one or more of the swapfiles disappear after about two minutes. Restarting your machine will clear all of the swapfiles and release the hard disk space they took up. To check the number and size of the swapfiles on your system, choose Go to Folder from the Finder's Go menu and type or paste in /private/var/vm as the folder's location. There may be one 80MB swapfile in this folder regardless of memory usage.
(8861)

Kernel[0]: (default pager): [KERNEL]: Swap File Error.

Hello,
I am hoping that I can get some help in understanding what might have gone wrong here to create the mass hanging of many apps as depicted in the attached image below.
This is what I pulled from the logs:
Sep 11 08:47:10 steve kernel[0]: (default pager): [KERNEL]: ps_select_segment - send HI_WAT_ALERT
Sep 11 08:47:10 steve kernel[0]: low swap: suspending pid 622 (Adobe Photoshop )
Sep 11 08:47:10 steve kernel[0]: (default pager): [KERNEL]: Swap File Error.
Sep 11 08:47:14 steve com.apple.launchd[1] (com.apple.sleepservicesd[12240]): Exited: Killed: 9
Sep 11 08:47:14 steve kernel[0]: memorystatus_thread: idle exiting pid 12240 [SleepServicesD]
Sep 11 08:47:14 steve com.apple.launchd[1] (com.apple.xpcd.0A040000-0000-0000-0000-000000000000[12237]): Exited: Killed: 9
Sep 11 08:47:14 steve kernel[0]: memorystatus_thread: idle exiting pid 12237 [xpcd]
Sep 11 08:47:16 steve kernel[0]: (default pager): [KERNEL]: ps_select_segment - send HI_WAT_ALERT
Sep 11 08:47:16 steve kernel[0]: (default pager): [KERNEL]: Swap File Error.
Sep 11 08:47:16 steve kernel[0]: (default pager): [KERNEL]: ps_select_segment - send HI_WAT_ALERT
Sep 11 08:47:16 --- last message repeated 2 times ---
Sep 11 08:47:16 steve kernel[0]: (default pager): [KERNEL]: Switching ON Emergency paging segment
Sep 11 08:47:18 steve kernel[0]: Sandbox: sandboxd(12246) deny mach-lookup com.apple.coresymbolicationd
Sep 11 08:47:19 steve.local sandboxd[12246] ([12245]): fontworker(12245) deny file-read-data /Volumes/Users/Users/steve/Library/Preferences/ByHost/.GlobalPreferences.7FC032 09-A3F5-5B8F-ADA4-A2EA48544DC8.plist
Sep 11 08:47:19 steve.local sandboxd[12246] ([12245]): fontworker(12245) deny file-read-data /Volumes/Users/Users/steve/Library/Preferences/.GlobalPreferences.plist
Sep 11 08:47:19 steve.local sandboxd[12246] ([12245]): fontworker(12245) deny file-read-data /Volumes/Users/Users/steve/.CFUserTextEncoding
Sep 11 08:48:07 steve com.apple.launchd[1] (com.apple.sleepservicesd[12243]): Exited: Killed: 9
Sep 11 08:48:07 steve kernel[0]: memorystatus_thread: idle exiting pid 12243 [SleepServicesD]
Sep 11 08:48:08 steve kernel[0]: ]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:48:08 steve kernel[0]: (default pager): [KERNEL]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:48:09 --- last message repeated 403 times ---
Sep 11 08:48:09 steve kernel[0]: nd HI_WAT_ALERT
Sep 11 08:48:09 steve kernel[0]: (default pager): [KERNEL]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:48:39 --- last message repeated 171 times ---
Sep 11 08:49:04 steve.local fseventsd[36]: SLOWDOWN: client 0x7fd92b015e00 (pid 622) sleeping due to too many errors (num usleeps 21)
Sep 11 08:49:17 steve kernel[0]: Sandbox: sandboxd(12256) deny mach-lookup com.apple.coresymbolicationd
Sep 11 08:49:18 steve.local sandboxd[12256] ([12255]): fontworker(12255) deny file-read-data /Volumes/Users/Users/steve/Library/Preferences/ByHost/.GlobalPreferences.7FC032 09-A3F5-5B8F-ADA4-A2EA48544DC8.plist
Sep 11 08:49:18 steve.local sandboxd[12256] ([12255]): fontworker(12255) deny file-read-data /Volumes/Users/Users/steve/Library/Preferences/.GlobalPreferences.plist
Sep 11 08:49:18 steve.local sandboxd[12256] ([12255]): fontworker(12255) deny file-read-data /Volumes/Users/Users/steve/.CFUserTextEncoding
Sep 11 08:49:28 steve com.apple.launchd.peruser.89[451] (com.apple.cfprefsd.xpc.agent[12253]): Exited: Killed: 9
Sep 11 08:49:28 steve kernel[0]: memorystatus_thread: idle exiting pid 12253 [cfprefsd]
Sep 11 08:49:28 steve kernel[0]: (default pager): [KERNEL]: System is out of paging space.
Sep 11 08:49:28 steve kernel[0]: (default pager): [KERNEL]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:49:28 steve kernel[0]: low swap: suspending pid 7864 (Microsoft PowerP)
Sep 11 08:49:28 steve kernel[0]: low swap: suspending pid 658 (Google Chrome)
Sep 11 08:49:28 steve kernel[0]: (default pager): [KERNEL]: Swap File Error.
Sep 11 08:49:28 steve kernel[0]: (default pager): [KERNEL]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:49:29 --- last message repeated 8 times ---
Sep 11 08:49:29 steve kernel[0]: te_cluster - send HI_WAT_ALERT
Sep 11 08:49:29 steve kernel[0]: (default pager): [KERNEL]: ps_allocate_cluster - send HI_WAT_ALERT
Sep 11 08:49:34 --- last message repeated 224 times ---
Sep 11 08:49:34 steve.local QuickLookUIHelper[12258]: [QL] QuickLookUIHelper is stuck - force quit now
Sep 11 08:50:02 steve.local fseventsd[36]: SLOWDOWN: client 0x7fd92e809400 (pid 593) sleeping due to too many errors (num usleeps 42)
Sep 11 08:50:02 steve.local fseventsd[36]: SLOWDOWN: client 0x7fd92e805400 (pid 1988) sleeping due to too many errors (num usleeps 42)
Sep 11 08:51:07 steve.local fseventsd[36]: SLOWDOWN: client 0x7fd92b015e00 (pid 622) sleeping due to too many errors (num usleeps 75)
Other notes that might help yuo help me.
Machine is an iMac with 16gig of RAM.
There are two partitions on the drive... one for the OS and one for users.
The OS has an 80gig Partition with 50% free space.
The User partition is much more with about 75% free space.
In the past I have noticed Photoshop to be using over 8gig of RAM so maybe it is photoshop.
Thanks
Morgs

There is excessive swapping of data between physical memory and virtual memory. That can happen for two reasons:
You have a long-running process with a memory leak (i.e., a bug), or
You don't have enough memory installed for your usage pattern.
Tracking down a memory leak can be difficult, and it may come down to a process of elimination.
When you notice the swap activity, open the Activity Monitor application and select All Processes from the menu in the toolbar, if not already selected. Click the heading of the Real Mem column in the process table twice to sort the table with the highest value at the top. If you don't see that column, select
View ▹ Columns ▹ Real Memory
from the menu bar.
If one process (excluding "kernel_task") is using much more memory than all the others, that could be an indication of a leak. A better indication would be a process that continually grabs more and more real memory over time without ever releasing it. Here is an example of how it's done.
The process named "Safari Web Content" renders web pages for Safari and other applications. It uses a lot of memory and may leak if certain Safari extensions or third-party web plugins are installed. Consider it a prime suspect.
If you don't have an obvious memory leak, your options are to install more memory (if possible) or to run fewer programs simultaneously.
The next suggestion is only for users familiar with the shell. For a more precise, but potentially misleading, test, run the following command:
sudo leaks -nocontext -nostacks process | grep total
where process is the name of a process you suspect of leaking memory. Almost every process will leak some memory; the question is how much, and especially how much the leak increases with time. I can’t be more specific. See the leaks(1) man page and the Apple developer documentation for details.

High Page Reads/Sec on Windows 2008 R2 64-bit running on VMware but very low Real Memory & Page file Usage.

Hello All,
Below is the server configuration,
OS: Windows 2008 R2 Enterprise 64 Bit
Version: 6.1.7601 Service Pack 1 Build 7601
CPU: 4 (@ 2.93 GHz, 1 core)
Memory: 12 GB
Page file: 12 GB
1. The actual utilization, be it a 15 minute sample, hourly, weekly etc, the utilization of real memory has never crossed 20% and the page file usage is at 0.1%. For some reason, the Pages/Sec>Limit% counter reports 100% continuously regardless of the
sampling intervals. Upon further observation, the Page Reads/Sec value is somewhere between 150~450 and Page Input/Sec is somewhere between 800~8000. Does this indicate a performance bottleneck? (I've in the interim asked the Users, App. Owners to see if they
notice any performance degradation and awaiting response). If this indicates a performance issue, please could someone help list down how to track this down further to which process/memory mapped file is causing it? and what I should go about performing to
fix this problem please?
p.s., initially the Security logs were full on this server and since page file is tied to Application, Security and System logs, this was freed up to see if this is causing the high page reads but this doesn't.
2. If the above does not necessarily indicate a performance problem, please can someone reference few KB articles that confirms this? Also, in this case, will there be any adverse effects if attempting to fine tune a server which is already running fine?
assuming App. Owners confirm there isn't any performance degradation.
Thanks in advance.

Hi,
Based on the description, we can try to download Server Performance Advisor (SPA) to help further analyze the performance of the server. SPA can generate comprehensive diagnostic reports and charts and provides recommendations to help you quickly analyze
issues and develop corrective actions.
Regarding this tool, the following articles can be referred to for more information.
Microsoft Server Performance Advisor
https://msdn.microsoft.com/en-us/library/windows/hardware/dn481522.aspx
Server Performance Advisor (SPA) 3.0
http://blogs.technet.com/b/windowsserver/archive/2013/03/11/server-performance-advisor-spa-3-0.aspx
Best regards,
Frank Shen
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Is it safe to have the swap file on a separate partition?

I've just bought a second hand MBP 2012 (9,2 I think) with a 500GB hard drive and Yosemite pre-installed. Not going to get into a debate about it here, but I want to regress to Lion or Mountain Lion until Apple improves Yosemite's bugs and software manufacturers improve compatibility. However, I wouldn't mind also getting to know Yosemite. So my plan is to partition my drive and keep Yosemite on one partition, have Lion on the other, and use Lion for day to day stuff for the time being.
Obviously this involves a shrinking hard drive. I have an image of Lion's installer on another partition in case I lose the DVD (which happens to me far too often), so at the moment my partition scheme breaks down as 10GB for Mountain Lion's installer, 100GB for Yosemite, and the remaining 390 (roughly) for Mountain Lion.
Since the Yosemite partition is quite small, would it work if I made a symlink from /private/var/vm to the same folder on the Lion partition? Both folders will never be in use at the same time, so I can't think of any reason this wouldn't work - which would mean that the slippage and the swap files would all be located on the bigger partition, and the small size of my Yosemite partition wouldn't be a problem. Obviously when the time comes I would get rid of the Mountain Lion partition altogether and make the Yosemite one a lot bigger, but would that be an ok setup for now? Would it degrade performance for any reason if the swap files were on a separate partition?
Anyone ever tried this?

Thanks for the answer. The project is stored, saved, or burned to a DVD.
When I put the burnt DVD in my "E" drive (or DVD player/burner) installed in my computer it comes up as a my project in "E" drive.
It is a complete Primire Pro CS4 project. I has all my edits and effects just like it does when I open it from my HHD.
I can put the DVD in my wives computer and it shows it is there but it will not open because she does not have CS4 installed.
So it is not a movie. It is an exact copy of what the project looks like on my HHD.
I can edit on it and do everything I did from the HHD copy.
Hope this helps. Please feel free to question my responces.
I really do want to clean up my HHD and start over with a single file. Hopefully gererated by the DVD.
It seems like I could delete my files. It would be like I made this copy and sent it to you to do a final edit and add menus. You would not have the origional files on your HHD.
After you loaded to you could then send it to your HHD and do whatever - Right?
Jim

Limiting Swap File Usage

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