Questions tagged [cache]

An intermediate data storage area with high performance but limited capacity. The term "cache" can refer to hardware cache (on a processor) or software cache (which stores commonly used values in a computer's memory).

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Caching a Non-OS HDD [duplicate]

Possible Duplicate: Can I use Intel RST caching on another (i.e. non-OS) hard drive? Is it possible to cache a non-OS HDD with an SSD in RST? I put the HDD and the SSD in RAID-0, and the RST ...
1 vote
1 answer
459 views

Unix Cached Memory

We have a problem where the cached memory is filling up rapidly on our system. We are not sure why this is filling up so quickly and would like to understand why Is there any script/commands ...
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How do you clear the USB cache on Windows 8?

In Vista / Windows 7 it was the infcache.1 file you deleted and magically your USB devices worked again once connected. This doesn't seem to exist in Windows 8 so I'm wondering what the alternative ...
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4 answers
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Running programs in cache and registers

In my operating systems class we were shown a picture depicting a hierarchy of memory starting from most expensive and fastest at the top and least expensive and slowest at the bottom. At the very top ...
1 vote
0 answers
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Possible to use cache drive for data drives?

I have a 256GB SSD that I want to use for the OS and Apps. I also have another 64GB SSD as a spare. The computer has 3 - 2TB HD's in RAID 3. Can I use the 64GB as a cache drive for the RAID 5? RAID ...
5 votes
2 answers
17k views

How can I delete the thumbnail cache?

I would be very thankful for advice on how to delete the thumb cache files in Windows Vista without a reboot. They are stored in this folder: \Users\%username%\AppData\Local\Microsoft\Windows\...
3 votes
2 answers
889 views

Retrieve an html page from history?

I was looking at a very important page, and then the server disconnected and the page is gone I went offline and shut my internet browser Is the page stored somewhere locally so I can go and load it?
9 votes
4 answers
4k views

How long does data stay in a RAID cache?

Most higher-end RAID cards have the option to purchase a battery add-on to allow the controller to finish writing the contents of the cache to the drives in the event of a power failure. I setup ...
1 vote
1 answer
146 views

measuring download speed ruby

I cache the query result in a file in the server side. When a new query is submitted the webservice searches to see if it has the answer in one of the cached files. If so, it will send out the file. ...
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1 vote
1 answer
2k views

Where are large cache files stored for Google Chrome on OS X

Where are the large cache files for Google Chrome are saved in OS X? For files less than 50 MB it's under /Library/Caches/Google... But for files more than 50 MB, it used to be in /var/.... It's ...
1 vote
1 answer
121 views

Installer not being updated ( probably because of Windows 7 file cache )

I'm creating an installer for my Visual FoxPro application using ISTool and Inno Setup. It is ok for me for the first time. But, I updated my code and re-built the EXE file. Then, compiled the ...
1 vote
1 answer
191 views

HTTP cache for my virtual machines

I have several Linux virtual machines running on my home PC. One of the quirks of Linux is that every time you run a package manager, it wants to "refresh" the configured software repositories - which ...
1 vote
0 answers
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Administer AppFabric cache remotely

I have written a website which administers my company's appfabric cache. I would like to deploy that website to a server other than the any within the cache cluster. I have copied the powershell ...
1 vote
1 answer
2k views

How to get rid of iPod Photo Cache on my desktop

On my iMac I get am empty folder "iPod Photo Cache" on my desktop each time I sync my iPhone through iTunes. How I can permanently get rid of this?
6 votes
3 answers
6k views

Is it safe to disable cache flushing on a SSD with "power loss protection"?

I have an Intel 320 SSD which is supposedly able to flush its cache during a power loss. From Storage Review: Rarely seen in a consumer SSD, Intel uses an array of capacitors to make sure data ...
1 vote
1 answer
366 views

Worse case scenario when switching a DNS entry with a TTL of 1 day

Say I have a DNS entry with a Time to Live set to 1 day or 86400 seconds, and I update it's destination IP, I wonder how long it would take in a worse case scenario for an end user until his he gets ...
1 vote
1 answer
2k views

Equivalent of apt-cacher-ng for CentOS

What is the equivalent of apt-cacher-ng for CentOS 6.3 64-bit? I did look around, but didn't find anything similar. I am installing some big packages on CentOS and want to store/share the packages ...
0 votes
1 answer
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What is the default value for Empty Temporary Internet Files when browser is closed in IE8?

We have four different machines that all have "Empty Temporary Internet Files when browser is closed" set to true (checked) in IE8's Internet Options (located under the Security section in the ...
0 votes
1 answer
748 views

Upgrading msata Dell xps 14 ultrabook

I'm planning to upgrade the msata of my dell xps 14 to a Mushkin Atlas msata. Currently my machine has the intel caching enabled. When I upgrade the drive and switch the sata mode to AHCI, will the ...
0 votes
0 answers
656 views

CompactFlash write caching

A well-known characteristic of CompactFlash cards is that they do such things as write-leveling and caching to boost performance and longevity. These characteristics make them fairly poor choices as ...
2 votes
1 answer
579 views

Is it possible to set up an SSD Cache on a macbook pro?

I have a mid 2010 MBP. I would like to upgrade the HDD so that I get more space, and this isn't a problem. I'd also like to replace the optical drive with an SSD and then configure that as the cache ...
-3 votes
3 answers
6k views

Can my university trace my Internet usage from a private computer? [closed]

I have a laptop that I purchased from my uni, it's a MacBook. I was just wondering with all the cookies, cache and jazz they can have access to, whether they would have the ability to trace the ...
1 vote
1 answer
2k views

Should I use Windows write cache if I have RAID controller + BBU?

I have ARECA ARC-1231ML 2 GB Cache and RAID 0 with 4 A-data 30 GB SSD drives and sometimes Windows is checking filesystem during boot. I think the problem is that my system is using RAM as write ...
17 votes
3 answers
59k views

How to disable caching in Internet Explorer 9?

How can i disable caching in Internet Explorer 9? i browse to a page, and click a link. When i click Back, i need the browser to always re-fetch the page from the web-site. i've tried disabling the ...
-2 votes
1 answer
118 views

what are the differences of Core duo and Core 2 duo? [closed]

I know that Core Duo and Core 2 Duo both are dual core processors. I also know that Core 2 Duo can run at faster frequencies and is otherwise considered better than Core Duo. But is there any ...
2 votes
1 answer
10k views

Skype 5.5 - How do I clear the "username" field so that nothing is shown when I start Skype under Windows?

For Skype 5.5 under Windows (Vista), every time I start the program the username is filled in. How do I get rid of this 'cache' such that it is completely empty every time I start the program? Or, at ...
3 votes
2 answers
2k views

Linux zram (compcache) + SwapCached

I have a question about zram + swapcached. I know that zram is a compressed swap in memory, but linux use it's own internal SwapCached area to store recent swap pages also in memory. I have a 512MB ...
2 votes
1 answer
133 views

DNS cache-on-demand server in Win7

I live in a country that enjoys manipulating DNS entries for fun and profit. For various reasons, I cannot surf with a VPN running 100% of the time. Because some sites are only blocked via DNS ...
1 vote
2 answers
4k views

Using 16 GB RAM for FancyCache?

I'm currently using 4 GB of RAM as a RAM-cache using FancyCache, it's caching my SSD. It's working very well with games as load times are almost zero, it's also working well with the Adobe suite. It's ...
0 votes
1 answer
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Looking for cache daemon [closed]

I'm looking for a daemon that I can install on my Debian server, and can be controlled through PHP (preferably with included libraries). It must have a basic key-value cache, BUT it must never ever ...
15 votes
5 answers
137k views

Why does remote desktop not work for me by computer name, and only by IP?

I have a computer at work that I can only connect to remotely when using the computer's IP address and not when using the computer's name. I can see my computer name is set up correctly as "JoshPC" (...
6 votes
1 answer
6k views

Best approach to utilize RamDisk for Chrome?

I use a lot of tabs and after a while less recently opened tabs take some time to become responsive, which I guess is because they're being un-cached to HDD as they're not required. So after ...
14 votes
2 answers
28k views

L2 and L3 Cache Difference?

While I understand that the computer cache is: A CPU cache is a cache used by the central processing unit of a computer to reduce the average time to access memory. The cache is a smaller, faster ...
1 vote
1 answer
63 views

Scripts failing to update with XAMPP

I've just installed XAMPP and I'm playing around with it. When I run a simple PHP script: <? echo"test";?> everything is OK. But when i update that script: <? echo"test2";?> I ...
3 votes
1 answer
5k views

How do I make google chrome open a cached copy of unavailable pages automatically?

When I open a link to an unavailable page, I get the "Oops! Google Chrome could not find http://example.com" message and a link to open a cached copy to it. Is there any way (even if it is through an ...
2 votes
1 answer
266 views

Difference between caching & gzip for static pages

I have implemented all caching methods such as, memcache, diskcache, and also tried GZIP. Is there any source I can refer to which explains the difference between them. I tried memcache it is really ...
2 votes
1 answer
1k views

Can I exclude a partition from Linux disk caching?

I created a MDADM RAID0 disk with two SSD hard disk and mounted it at /media/ssd. Is it possible to prevent Linux from disk caching reads/writes to/from this mounted partition? This would be wasted I/...
3 votes
0 answers
877 views

Does Intel Smart Response provide any statistics on the cache usage?

I've set up my Z68-based Core i7 PC with a 60GB SSD dedicated as a Smart Response cache drive. Is there any way I can get any statistics out of it? It would be nice to have some information on how ...
2 votes
2 answers
2k views

Setup Intel SSD Caching on Z68 chipset with Windows already installed

According to this article about the Asus P8Z68 motherboard, to use the Intel SSD Caching, I need to enable RAID mode before installing Windows 7. What if it's already installed? Is there not a way to ...
2 votes
3 answers
11k views

How to extract images from a flash image-viewer?

I need to download a number of pages of a magazine issue which is available via online viewer made in Flash. The player loads a page image and allows to scroll it. Is it possible to extract the image ...
3 votes
0 answers
254 views

How to force OS to commit X MB cache for a VMWare virtual machine image file?

I have a Windows Vista inside a VMWare workstation virtual machine, which I need to boot as fast as possible (for testing certain software). I can commit about 4GB of RAM for cache, which, in theory,...
1 vote
0 answers
321 views

Avoid file system cache during read/write to flash memory

Is there a way to do kind of a direct i/o to the flash part on a portable consumer electronic device like iPhone etc. I want to do this to characterize the flash part performance and completely want ...
2 votes
1 answer
1k views

Why some websites recognize data after deleting history/cache/cookies?

The following website for example: myopenid.com What i do the erase all traces: Firefox -> Clear history -> All (cache,cookies,history,..) Deleting Flash cookies manually (AppData->Roaming->...
3 votes
1 answer
279 views

After scheduled Microsoft Security Essentials scan finishes, whole system is slow

I have scheduled Microsoft Security Essentials (on Windows 7) to scan my whole hard drive every night at 2 a.m. When I start using my computer in the morning, the scan is complete, but the whole ...
2 votes
1 answer
657 views

Where is the local cached version of a streamed video?

I had opened a video website and watched a streamed video which has been completely buffered. I want to get a copy of the video, which I know is located somewhere in my hard-disk because it's ...
4 votes
2 answers
499 views

Linux File System Cache

I was wondering if there was a way to tell how many more "writes" are left on a file system device in linux? An example: when you move a lot of data to a flash drive, it may not write all data ...
1 vote
2 answers
157 views

apache cache from wan link disk store

The Problem: I want to host lots of digital photos from a website. More than the host has disk space. The background: I have a vps which hosts a website, the machine has tons of bandwidth but not ...
0 votes
2 answers
599 views

DNS records that are 2 months old? [closed]

I moved my app 2 months ago to a new server and did a new release. I just get an email form a customer saying a link isn't working. It looks like he was on my old site. I checked the logs. The app is ...
2 votes
3 answers
1k views

Alternatives uses for small SSDs

So are there any alternative uses for small SSDs? I was recently given a 40 GB SSD and I am reluctant to rebuild my OS just to get Windows on the SSD and everything else on a different drive. I ...
2 votes
0 answers
157 views

Windows 7 64bit search bar is buggered

When I search for something in the Windows 7 Start Menu, I am only given categories. Screenshot: I have tried the following, to no avail: Deleted registry keys Restarted, stopped, started, ...