Tag: Random-access memory

Mar 12

General Commands Manual: dphys-swapfile

General Commands Manual: dphys-swapfile NAME dphys-swapfile – set up, mount/unmount, and delete an swap file SYNOPSIS dphys-swapfile setup|swapon|swapoff|uninstall DESCRIPTION dphys-swapfile computes the size for an optimal swap file (and resizes an existing swap file if necessary), mounts an swap file, unmounts it, and and delete it if not wanted any more. OPTIONS There is only …

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Mar 12

How to: Configure Swappiness in Ubuntu

How to: Configure Swappiness in Ubuntu In one of my previous articles on how to setup virtual memory / swap memory in Ubuntu I covered how to install a swap space for a Windows Azure VM. I deployed swap mostly as a precaution against running out of memory which could result on applications unable to …

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Dec 21

How to: Determine your Memory Usage & Free Memory in Ubuntu

How to: Determine your Memory Usage & Free Memory in Ubuntu One thing I have discovered with Ubuntu is that there is more than one way to skin a cat. All won’t yield the same result but you can achieve similar things through different approaches. Finding out how much memory you have used, how much …

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Dec 12

How to: Install a swap file in a Windows Azure Ubuntu VM

How to: Install a swap file in a Windows Azure Ubuntu VM Unless you made your own Ubuntu image, configured the Azure connector/integration to create a swap file and uploaded it to Windows Azure chances are your VM does not come with a swap file/memory. Afterall Microsoft recommends that all Linux machines that are uploaded …

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Dec 09

What is: “Wasted Memory”? (Zend OpCache & Memcached)

What is: “Wasted Memory”? (Zend OpCache & Memcached) As I have been trying to fine tune all the performance settings on our new Linux box there was a new term we came across: “Wasted Memory”. Zend OpCache has a setting that will cause the restart of your OpCache if the wasted memory exceeds a threshold. …

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Mar 15

What is: fsdmhost.exe

What is: fsdmhost.exe Fsdmhost.exe is the executable file for the Microsoft File Server Data Management Host process. Thus far a lot of people run into this process on a Windows 2012 server because it is in charge of data de-duplication. As most of you would have found out, this process can become resource intensive. The service uses …

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Jan 25

How to fix error: 452 4.3.1 Insufficient system resources Private bytes under pressure

How to fix error: 452 4.3.1 Insufficient system resources Private bytes under pressure Many people encounter Back pressure errors on their Exchange servers now and then, but when you have a recently new machine freshly installed and your email traffic is not that intense… How can you keep getting Private Bytes errors!? Well, the answer …

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Jun 22

What are Hard Faults per Second?

As anyone who has taken a look at the Task Manager and then into the Performance Monitor, one of the two key metrics “Hard Faults per Second” is an important one to consider. I´ve never been too familiar with this term so I finally decided to research what it really meant (the name has a connotation that …

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