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).

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) or to disk-cache (which stores information on disk, e.g. used with browsers).

For HW cache on CPU's please use the tag

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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?
Elmo
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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. With SSH's agent, I enter the passphrase one time…
bignose
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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 only one software-only product that I could find:…
haimg
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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 full so I want to clean it up. I noticed the while…
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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 "mydomain.com" into Chrome, it still redirects to…
Cerin
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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?
Ivan
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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 version. The package installation files can easily take…
user198350
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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, and how do these relate to the amount of free or…
user
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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?
Mark
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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, it'll send a Cache-Control: max-age=0 header to…
womble
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How often does the DNS cache clear?

How often does the DNS cache clear on a Windows 7 machine?
Harry
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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 my 'make a small change, alt-tab, hit ctrl-F5'…
jammus
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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 (sluggishness) related to very large/growing mapped…
user22667
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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 more expensive. SRAM is very expensive: I shopped…
Ziggy
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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 is optimized). As a workaround, Git for Windows…
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