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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2
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2answers
283 views

Can DNS Caching Be Disabled for a Single Domain (BIND)?

I have a BIND server (CentOS 6) on my local subnet handing my DNS requests. I also have a domain which points to my GoDaddy VPS. I would like to configure my BIND server so that it won't cache any ...
0
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0answers
211 views

Does EnhanceIO supports TRIM on SSD?

Does EnhanceIO supports TRIM on SSD? Or it has own implementation of similar technology?
1
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0answers
286 views

Virtually Indexed Physically Tagged Cache

I have been going through the four types of data cache used in virtual memory, I came across this problem and I could not solve it. Consider a Virtual Memory system with 20-bit virtual byte address, ...
-1
votes
1answer
55 views

what is the proper way to backup outlook 2010 settings and cache?

We're planning to reinstall some workstations which use outlook 2010 and office365. What do i need to backup/restore in order to avoid the re-creation of the .ost (cache file) ?
2
votes
2answers
545 views

What is the cause and disadvantages of high memory usage as time passes on Windows 8.1? [duplicate]

My laptop is used in long time intervals without restarting. The OS tends to use extensive memory (~8GB) as time passes. Below are screenshots of two different states with exactly the same programs ...
2
votes
1answer
7k views

Deleting Thumb Cache in Windows 7 folder

Is it safe to delete %LOCALAPPDATA%\Microsoft\Windows\Explorer\ThumbCacheToDelete ? And if so how do I do it ? It keeps telling me that it's used by other program in Explorer but not which ones.
6
votes
1answer
6k 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, ...
1
vote
1answer
127 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
vote
3answers
101 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 ...
1
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2answers
159 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? Say,...
0
votes
1answer
320 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
129 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 ...
0
votes
0answers
161 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 ...
1
vote
1answer
9k 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
43 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
331 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
4answers
872 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 ...
1
vote
1answer
765 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
1k 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 ...
2
votes
2answers
623 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 don'...
2
votes
1answer
285 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. I'...
1
vote
0answers
668 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 ...
2
votes
0answers
106 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 LSF)...
0
votes
1answer
100 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 ...
3
votes
2answers
290 views

Does the ISP 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
623 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 [root@...
8
votes
0answers
346 views

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

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 ...
2
votes
0answers
440 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
473 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 ...
2
votes
0answers
82 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
220 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
46 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
264 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
vote
1answer
71 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 ...
9
votes
1answer
2k 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
59 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 ...
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votes
1answer
364 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
1answer
1k 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 ...
0
votes
2answers
61 views

Are there ways to verify the cache that a hard disk have?

Recently, I just brought a 500 GB hard disk. The sales person mention that the hard disk have a 32 MB cache. I try using the PC-Wizard (http://www.cpuid.com/softwares/pc-wizard.html) as I heard from ...
3
votes
2answers
7k views

Too much RAM “in cache”

I am having the following problem: I am having a completely new Notebook with 8 GB RAM and Windows 8. I do not use software that requires a lot of RAM and I do not have a thousand programs running. ...
0
votes
1answer
421 views

Linux empty buffer cache command permission denied

I'm using the following commands to flush cache: # sync; echo 3 > /proc/sys/vm/drop_caches # sync; echo 2 > /proc/sys/vm/drop_caches # sync; echo 1 > /proc/sys/vm/drop_caches When I use ...
0
votes
0answers
115 views

How can I get Libre Office to stop storing my changes?

Apparently Libre Office is keeping old copies of my document in memory, because after systematically cutting a page at a time from a document (and pasting it into another one), the source document ...
0
votes
0answers
606 views

squid cache is not working

I have configured squid for anonymous search and cache proxy. Initially it was working well, after two weeks it becomes slow(loading web page become slow) then again I had to looked into squid. I saw ...
2
votes
1answer
192 views

Windows Explorer doesn't show correctly the custom icon

I have an issue with a custom file extension that I've added in the registry, I've followed all steps, reviewed the .ico file path, deleted the associated registry entries and tried again, rebooting ...
16
votes
1answer
32k views

How to increase VLC RAM buffer for offline files?

I would like to configure VLC player to preload a significant portion (like a hundred megabytes or so) of a video file from the hard disk to RAM before playing it. Is this possible?
0
votes
0answers
109 views

Windows 7 Home Premium transparently cache Synology NAS

How can I transparently cache a non-windows NAS on my Windows 7 home premium machines? The same content tends to get retrieved over and over but I don't know which content it will be in advance. ...
3
votes
4answers
3k views

Solid State Drives (SSD) to use as cache to another Hard Drive (HD)

I recently bought a 32GB SSD drive. As everybody knows, 32GB is nothing considering modern SO's like windows 8 or even windows 7 where only file systems takes the half of the whole space (about 15GB). ...
5
votes
2answers
3k views

Why is writing speed for RAM less than reading speed? And how do caches come into the picture?

Firstly, this is true, right? I feel that reads will always be faster than writes, also this guy here does some experiments to "prove" it. He doesn't explain why, just mentions "caching issues". (and ...
0
votes
2answers
2k views

Intel RST crashing! IAStorUI unstable in win 8.1

I have a Z87E-ITX Asrock mobo. Using a new 64G Corsair SSD as cache and a new Western Digi Black Scorpion 750G 2.5" drive. Using windows 8.1. Latest software or not, I can't open Intel RST software ...
4
votes
1answer
4k views

Is there fusion drive style solution there for Linux and Windows?

Is there fusion drive style (like in iMac where the SSD acts as storage space rather than cache) solution there for Linux and Windows?