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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Refresh Icon Cache Without Rebooting
Normally, to refresh the icon cache in Windows, we have to reboot.
Is there a way to refresh the icon cache in Windows 7/8 without rebooting?
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Keep GnuPG credentials cached for entire user session
GnuPG can, with gpg-agent, cache access to a private key. How can I keep that cache active for the entire user session?
When I unlock the key for gpg-agent, it only stays cached for a limited time. ...
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How can I use my small SSD as a cache for a larger hard disk?
I would like to use a (small) SSD disk as a cache for a large hard disk. I realize there are hardware-based products that do this: HighPoint RocketHybrid HBA, Intel SmartResponse and others. There is ...
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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?
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How to clear Chocolatey cache in the free version?
Installation-file-cleaning is currently only available in the licensed edition of Chocolatey ($96 a year) and the developers seemingly have no plans to offer cache-cleaning support for the free ...
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How to clear Chrome/Chromium Edge Service Worker cache?
Note that this is NOT the Cache folder. It's the Cache of Service Worker, the path should be AppData\Local\Microsoft\Edge\User Data\Default\Service Worker.
Recently I noticed my hard drive is almost ...
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Manually flushing write cache on Windows
On *nix systems, a user can use the sync command to force any pending writes in the kernel's disk cache to be flushed to disk. Does Windows have a similar command?
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How can I determine the current size of the ARC in ZFS, and how does the ARC relate to free or cache memory?
ZFS uses an ARC (adaptive replacement cache) which is not accounted for in the traditional Linux "cache" memory usage. How can I determine the current size as well as size boundaries of the ZFS ARC, ...
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How do I stop Chrome sending Cache-control: max-age=0 when I hit enter?
I'm on a slightly flaky connection and I'm trying to improve my browsing experience with the use of a local proxy. According to my research, however, if I hit 'enter' in my browser on an existing URL,...
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How to clear cached redirects in Chrome
How do you clear cached redirects in Chrome?
I changed the DNS for a domain name and when I go to mydomain.com. Even though ping mydomain.com now shows it resolves to the correct IP, if I type in "...
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How do I turn off caching in IIS7?
I'm developing an ASP classic site under Windows 7 (form a queue ladies). The problem is IIS seems to be heavily making use of its cache for both static and dynamic content which really conflicts with ...
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RamMap "Empty standby list" drastically speeds up PC. Is there a better way to do this?
Many people are educated on how Windows Memory manager caching works by reading Microsoft white papers, etc. However, there are relatively few documents that describe real-world performance issues (...
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Can we run Linux in something faster than RAM?
This is perhaps a silly question, and may be the result of a misunderstanding. I'm studying CPU's right now, and memory in particular. I was just reading about how much faster SRAM is than DRAM but ...
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What does the filesystem cache do in Windows 7?
The Diagnosing why Git is so slow article has this interesting item in it:
Enable the filesystem cache
Windows' filesystem layer is inherently different from Linux' (for which Git's filesystem access ...
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How do I clear the Recent Documents list in Windows 7? [duplicate]
Possible Duplicate:
Clear cache/history in Windows 7?
How do I remove the list of recent files in Windows 7?
Are those files stored anywhere else?
Subeer
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How to increase the disk cache of Windows 7
Under Windows 7 (64 bit), I'm reading through 9000 moderately sized files. In total, there is more than 200 MB of data. Using Java (JDK 1.6.21) I'm iterating over the files. The first 1400 or so go ...
Mark Christiaens
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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 ...
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What is the difference between a cache and a buffer?
Is saying a cache is a special kind of buffer correct? They both perform similar functions, but is there some underlying difference that I am missing?
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flush opera DNS cache
for a developer that has to update DNS entries to do testing and other tasks, how do you clear the DNS cache in Opera.
Or lower the extremely long cache that get's in your way after editing /etc/...
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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" (...
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Why doesn't "ipconfig /flushdns" completely wipe your DNS?
I've consistently had a problem where "ipconfig /flushdns" + restarting computer doesn't get rid of all the DNS records.
Should it completely flush any and all records in DNS?
Why doesn't it usually ...
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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 ...
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IrfanView replaced my Settings' and Your Phone's icon
I have nearly brand new Windows 10 1903. A day after installing it from scratch, I have installed Irfan View as well. Another day later I have realised that it has (?) replaced my Settings' icon:
...
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How to stop ReadyBoost from rebuilding cache after every restart on SD cards and flash drives?
On my computers (running windows 7 and vista and using SD cards and flash drives) ReadyBoost rebuilds cache after every reboot. Because of this and 5400RPM HDD, it takes several minutes for computer ...
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Prevent Caching in Windows FTP (Explorer)
Windows Explorer's FTP functionality appears to be caching downloaded files, such that when I drag drop (to download) the same file again, it's not downloading the latest version from the FTP server. ...
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Is whatever I see on the Internet temporarily present in the RAM?
Whatever I browse on the Internet, whatever page, is stored in the browser cache on my HDD. The browser cache is stored in the Temporary Internet Files folder on the C drive on the HDD. But was it ...
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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, ...
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Windows 7 kills VMWare performance by disk caching?
We're running Windows 7 Enterprise 64-bit SP1 on Dell Precision T3500's (Xeon E5630 @ 2.53GHz, 4GB of RAM). On top of this is VMWare Workstation 7.1.4, up to date. Running in a VM is Windows XP ...
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What does "Write cache buffer flushing" mean
As in the Windows 7 Disk Policy Options:
[x] Enable Write Caching on the device
[ ] Turn off Windows write-cache buffer flushing on the device
Is the first the cache on the physical disk, and the ...
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Do Solid State Disks (SSDs) have a buffer cache?
All HDDs that I know have at least 8MB or more of buffer cache (I know that it is for increasing read and write performance on Disk Drivers).
However, I'm just curious: Do SSDs have any buffer/cache ...
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To what extent is size a factor in SSD performance?
To what extent is the size of an SSD a factor in its performance?
In my mind, correct me if I'm wrong, a bigger SSD should be, everything else being equal, faster than a smaller one. A bigger SSD ...
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How to Move Offline Files Cache in Windows 7?
On Vista systems, I've been using these instructions to relocate the "Offline Files Cache" from its default location of c:\csc. Works great.
However, these instructions do not work on Windows 7. ...
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Disable linux read and write file cache on partition
How do i disable the linux file cache on a xfs partition (both read an write).
We have a xfs partition over a hardware RAID that stores our RAW HD Video.
Most of the shoots are 50-300gb each so the ...
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Difference between Ctrl+Refresh and Ctrl+Shift+Refresh?
I understand that Ctrl + Refresh fetches fresh content from browser without reading the cache. Then what is Ctrl + Shift + Refresh for?
Ctrl + Refresh request header are like this:
Cache-Control : ...
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Is the L3 cache shared by all cores for a Sandy-Bridge E Xeon CPU?
In a related question I asked about the benefit of a dual-CPU system in terms of doubling the L3 cache.
However, I have noticed that the Xeon E5-2600 series of CPU's has exactly 2.5 MB of L3 cache ...
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Where should I put my application cache for Unix-based apps?
I am building a command line application, and I have a need to save some temporary data to files. I do not know where is convention for applications to store their cache on Unix-based systems (in my ...
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VLC Caching levels
When I open the Preferences of VLC and go to Input & Codecs, I have a setting called Default Caching Level. I can choose between
Cusom
Lowest latency
Low latency
Normal
High latency
Higher ...
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Under Memory/Performance tab in Task Manager, what does the cache value means?
In Windows 10, Performance tab/Memory button in Task Manager, what does the cache value mean?
In the picture below it says I have a cache of 1.3GB. Does it means RAM cache? CPU cache? Disk cache? ...
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How to clear cached web fonts in Chrome
I'm trying to reproduce a bug where HTTPS Everywhere is preventing a web font from loading, but the web font seems to have been cached, preventing me from reproducing the bug. Neither Ctrl-Shift-R ...
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No Accelerate button/tab on Intel Rapid Storage window
I have an ASUS P8Z68 motherboard with a Corsair SSD as my primary boot drive. I have a TB standard hard drive as a secondary data drive. I am attempting to use an older Intel SSD as a cache on the ...
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Turn off Linux file cache
How do I turn off write cache in Linux? More specifically, SUSE 11?
My problem is that heavy I/O kills the system even if the generating process is a user priority class, and the starved processes ...
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How can I use one lvmcache "cache pool LV" for multiple origin LVs?
I have a shiny new computer with a not-that-large SSD (120GB) and two gigantic spinning-rust HDs (3TB each). I want to partition it as follows:
swap (~128GB), operating system (~128GB), and data (...
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Disk Write Cache Feature and Limited RAM Usage with Windows 10 Pro - 256GB DDR4
I have a Windows 10 Professional workstation I use to simulate material flow in impressions. The FEA software I use creates large 50-100GB database files for each simulation I run. Copying these files ...
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SSD cache to minimize HDD spin-up time?
short version first: I'm looking for Linux compatible software which is able to transparently cache HDD writes using an SSD. However, I only want to spin up the HDD once or twice a day (to write the ...
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Is there a way to reset Windows file cache?
When an application reads a file from a media, the first time the timing is significant as the file is indeed read, sometimes several minutes. But with subsequent reads, it only takes a few seconds ...
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Do I need the cache directories from old versions of IntelliJ IDEA?
These folders are taking up a fair amount of disk space so I'd like to get rid of them if possible. I'm using version 2018.2 at the moment so I'll keep hold of that one.
These folders shouldn't have ...
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Difference between cache memory and register?
What is the difference between cache memory and registers?I know them by definition but why do we need the other when we have any one of them?
user46959
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How to clear cached memory in Debian?
If I run a free -m, I get this output:
Is there a command that I could use to clear the used memory? I have tried this:
echo 1 > /proc/sys/vm/drop_caches
It will ask for sudo. But even after ...
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How could I limit or even disable file cache on Windows Server 2008R2?
There is a machine, with a very fast RAID array, and a fast internet connection. But, it only got 8gb of mem, which runs out really quick, when the upload goes up.
Any ideas how could I disable, or ...
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