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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3
votes
1answer
26 views

Whats the difference between physical and virtual cache?

I am having trouble understanding what virtual cache actually is. I understand virtual memory. If the CPU wants to access memory, as far as I understand, it sends a virtual address to the MMU which, ...
0
votes
1answer
15 views

Reset Internet Proxy Remembered Account on Windows

When you go to internet across a proxy server, windows ask you for your username and password and you can tell it that remeber that account and password forever. My problem is that I need to change ...
-1
votes
0answers
15 views

Windows 7 - out of memory when mounting harddrives

I am having a problem on Windows 7 (pro, 64bit, latest updates) when mounting hard-drives: Windows becomes unresponsive will show out-of-memory-errors will advice to close all programs and restart ...
1
vote
0answers
14 views

How to add a cache file to browsers like Chrome/Firefox/etc.?

For example, there is a website hosting a Shockwave Flash app which is restricted to be used on that specific site. However, the network of the site is poor so that loading the entire .swf from the ...
1
vote
3answers
34 views

Caching a file system over the internet

I store all my files on my private server (DSL line, /28 network but still slow, especially the up-stream which is 512kBit). This works well for my smaller files, all my emails, Zarafa etc. But for ...
0
votes
0answers
16 views

DOCAN sshfs: How to flush file cache?

I am using DOCAN sshfs 0.6.0 in Win 7 to mount a Linux disk. It but does not show any new file even after many re-reads of the directory. Disabling cache helps but navigation becomes extremely slow. ...
0
votes
1answer
63 views

How to flush DNS cache in Firefox

Strange issue... whenever I try to access http://docs.python.org/ from Firefox on Win 7, I get redirected to http://docs.python.org/old_dns.txt which says: You need to update your DNS records for ...
1
vote
2answers
49 views

Will a big RAM improve filesystem write IO?

We have hundreds of millions of small files on our server, totally about 500 GB. I'm looking for a way to speed up their creation. Would there be any difference if I get more RAM for that purpose? ...
0
votes
1answer
48 views

Hard drive caches too fast?

i got a problem with my hard drives, I think ;) Well I realized that flash videos and games are stucking/freezing for a short time. When I googled that problem I found a script changing some ...
1
vote
0answers
14 views

Cleaning out AD Roaming Profile Cache

I've been playing around with AD RPs after watching some videos and they mentioned that you end up with a lot of disk space being filled due to cache and files being copied over from the server where ...
2
votes
0answers
36 views

How to force firefox to use the cache?

I have firefox 27 on windows. I browse a lot of picture boards with a slow bandwidth so it is very handy not to load the images each time I click on a thread already viewed. Iron does use the cache ...
0
votes
0answers
26 views

My website loads on my computer but not on any other computer. Why does that happen?

Here's the website: http://wbut.jayantbhawal.in/ This website used to work perfectly anywhere till yesterday. It's a Wordpress powered website using the theme Tempera. I've used a lot of plugins on ...
0
votes
0answers
45 views

Disable all disk cache features in Windows 7

I am doing benchmarking of several algorithms involving read/write to disk. As Windows provides some cache features, sometimes I get results like these : first run of the algorithm : 200 seconds ...
0
votes
0answers
92 views

how to cache all data with squid (Facebook,videos,downloads and .exe) qnap

Can anyone help me to cache facebook , all videos and all downloads all pictures all webpage In my squid server on my qnap This is my config an it is not working right. And i whant to use 4 GB for the ...
0
votes
0answers
18 views

Internet Explorer doesn't preserve cache when forced to

I need to edit an .swf file, cached by Internet Explore (IE version doens't matter), so that when a certain website opens, IE should use the cached file, instead of the newer one. I disabled checking ...
0
votes
0answers
18 views

How to Create Yum Cache Server for client machines in LAN

Like in Ubuntu we have the option of creating "Ubuntu update cache server" which downloads and update packages directly from internet and serves other client ubuntu machines for installing/updating ...
0
votes
0answers
30 views

When will explorer cache photos?

If I plugged my external USB into my PC, but never accessed any folders in the drive (just maybe down one level, but with no image files, just more folders) would Windows generate a entry to thumbs.db ...
1
vote
1answer
55 views

Copying files from external HDD to USB stick - will files remain anyhow on the computer's system drive?

Just wanted to see if you could help me out with something. I moved some files (all in one folder)from an external HDD to a jump drive using my work computer. This HDD was old, and I wasn't sure of ...
0
votes
0answers
17 views

Instruction cache vs data cache with reguards to size

In the context of cache for a CPU, I understand some are divided between instructions and for data. How exactly are they divided? Is one physical unit partitioned into two or are there two units ...
9
votes
5answers
579 views

What is the fastest way to clear cache and cookies in Google Chrome?

The standard way (hamburger icon>Tools>Clear browsing data>Confirm) is slow, especially when you have to clear frequently during development. Currently, I hit F12 to bring up the Console, go to the ...
1
vote
2answers
65 views

Google Chrome - Clear Cache for Specific Website

I recently created a free web hosting account on x10Hosting. Let's use www.example.x10host.com as my example domain. Before signing up for the domain, I visit the domain to see if it was available. ...
0
votes
2answers
121 views

How to stop Windows 8 from caching large files?

Edit The video files I talk about were unrelated to LoL (game). They were separate files that I personally downloaded. Of the 8GB that was used then the game crashed, the game was using less than ...
0
votes
1answer
40 views

What is the difference between 'Temporary files' and 'Cache'? [closed]

Is there any difference between Cache files and Temporary files? If so what? And what do each term mean?
0
votes
1answer
53 views

How to resume nginx caching without restarting nginx after purge

I'm using fastcgi cache with nginx 1.4.4 on fedora and it works great until I clear the cache directory with: find /var/nginx/cache -type f -exec rm -f {} \; Thereafter nginx will not resume ...
-3
votes
2answers
52 views

Tradeoff: CPU Clock Speed vs Cache [closed]

If you had two choices in processors, one with 2.7GHz @ 6M cache, and the other with 3.0GHz @ 4M cache, which do you choose? This is not a shopping question, what I'm looking for is a general rule ...
2
votes
2answers
67 views

Is it possible to clear DNS cache globally?

Users are complaining they are seeing the old content, which is from the old website after we switched to new server. So they are looking at completely different website practically. Many of them ...
0
votes
1answer
46 views

Firefox cache lost when it crashes

I'm usually in a slow internet connection, and everytime Firefox isn't closed correctly, I kind of lose part of my cache. When I open it again, I see pages start loading everything, including images ...
1
vote
1answer
40 views

Is it a bad idea to have one of multiple partitions of an ssd as cache in a raidz2 setup?

I'm setting up a system with 5 HDD's in RAIDZ2 and one SSD where the OS goes. I'm considering partitioning the system drive (the SSD) to set the free partition of the SSD as a cache in the RAIDZ2. ...
1
vote
0answers
68 views

vlc streaming over the network (delay reduce)

My name is yeonho choi, I'm Korean. I am network streaming Desktop(Display) and Desktop(Display) over RTP, when I view the stream (even on the same machine) there is a delay of about 1.2 seconds. I ...
1
vote
0answers
23 views

Force NFS directory information update

Is it possible for a non-root user to force an NFS client to update the information it holds about a directory tree? My problem is that I want to do the following: Run a big compilation job (via ...
0
votes
0answers
20 views

SSD caching via Intel SRT and NAS backups, do they cause problems?

I'm wanting to put an SSD as a cache drive using Intel's SRT technology, but am wondering, will running backups throughout the day from my NAS will cause the cache drive to constantly flush out games ...
2
votes
2answers
179 views

Does the internet cache all data?

To clearly show my question I'm going to use pretty high numbers. A file server is connected to the internet through a 1 gbps line. The server is sending a 100 gb file to the client. The file is ...
2
votes
1answer
29 views

perf cannot get cache-misses for Linux VM on VMware ESX

I interested on measuring CPU cache-misses parameter and came across this tool called perf. I followed the wiki and able to get the cache-misses when this command is run on physical machine ...
0
votes
0answers
8 views

persistiant demand-based client caching for network storage

I'm going to preface this by saying that I really don't know if this is the right venue for this question. Aspects of it could be highly technical, but I would rather stay away from that side of ...
3
votes
0answers
67 views

How do I evaluate an SSD caching solution for home desktop use?

I've got a 30GB SSD that I would love to start using as a cache for my larger HDDs. I primarily want to improve apparent performance for general desktop use. I do the occasional massive DB migration ...
1
vote
0answers
72 views

How to move cache folder to to the external drive in OS X 10.9?

I want to move cache folder for opera, safari and some other apps to the external drive. I heard that it is possible with symbolic links but also I heard that symbolic links don't work in OS X 10.9 ...
0
votes
1answer
41 views

Wordpress theme's index.php is not showing updates in browser's source. Godaddy hosting

I've run into an issue with a client's Wordpress site, which is hosted on godaddy (Ultimate Web Hosting Linux) I'm trying to update their theme's index.php file. Any changes that I make to that file ...
1
vote
0answers
15 views

What is exactly shown by “perf” as page-faults?

I want to count the number of disk accesses during a complete run of my script. My bash script runs 2 other executable files locally and 2 other executable files remotely. something like this (those ...
1
vote
1answer
58 views

Why doesn't Windows utilize readyboost devices?

I have a 4 GB Verbatim USB 2.0 Flash drive plugged into one of the rear USB ports on my computer. Windows detects this as a device that can be used for ReadyBoost, and I have selected that the ...
0
votes
1answer
35 views

Why do subsequent reads of a multi-gigabyte file run faster?

I have some algorithm test software running on a Windows 7 machine which, when run the first time on any given data file, runs ~3-5x slower than on subsequent runs. Our algorithm simply reads the file ...
2
votes
0answers
56 views

What desktop computer hardware specifications are most important for database heavy applications?

I am purchasing a new personal desktop computer with the hope of improving performance for database-heavy applications (mostly data mining). I will want versatile hardware for all sorts of future ...
-1
votes
1answer
37 views

Does data go from primary memory to CPU register directly without going to cache memory? [closed]

Does data go from the primary memory to CPU registers directly, when the CPU fetches data from the primary memory? Or data has to go from the primary memory to the cache memory first, before going to ...
1
vote
2answers
27 views

Does browser cache affect text content also?

From my observation browsers cache css and image files. If changes were made, you need to hit "force" refresh button if you want to see updated version. However I am not able to verify if browsers ...
0
votes
0answers
43 views

how does openvz manage buffer caches?

How is the buffer cache managed in openvz? What happens if a) a guest is low on memory, the host is not. A process allocates an amount of memory. Now something is evicted from the buffer cache on ...
8
votes
1answer
158 views

Which files are cached by linux?

I understand that linux uses unused RAM to keep some files cached. But I wonder, which files it actually caches! If you take a look at free : Gesamt Belegt Frei Gemeinsam Puffer Cached Speicher: ...
0
votes
0answers
16 views

Is it possible to partition cache size to different cores in Linux?

I have a Ivybridge processor running Ubuntu. The processor has 4 cores sharing the same last level (L3) cache. I believe the cache is shared on demand due to Intel Smartcache technology. My question ...
-1
votes
1answer
84 views

What's the best way to use both an SSD and an HDD? [closed]

I have a Windows 7 laptop with an 128GB SSD and an 1TB HDD. I want to use both efficiently. I have 2 plans so far. Plan A) Use 50GB of SSD for OS. Use the rest of SSD as a cache space to boost an HDD ...
0
votes
0answers
9 views

Do Private & Incognito windows (Chrome & Firefox) use cached files from previous non-private browsing [duplicate]

I am testing out some web content I'm building and, while its clear that incognito/private windows won't cache anything,its unclear as to whether they will use cached files (e.g., css, images, ...
0
votes
0answers
38 views

CacheFilesD complains that free space limit arguments are invalid

I have attempted to lower the free space limits used to control when cachefilesd does culling of the cache, but it keeps complaining that the arguments are invalid, even though I appear to have ...
0
votes
1answer
100 views

Where does Mac FileZilla cache host when using SFTP?

I have used Filezilla on Mac to connect to my linux server over SSH and when prompted accepted and cached the server key signiture. Where does Mac Filezilla cache this as I want to clear it? Mac OSX ...