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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URGENT: How to stop a page reloading too many times in Chrome

Having issues loading a page in Chrome. I can get to a login page on https://login.scottishfalive.co.uk/Home/Index however once I input my details I get an error message, page isn't working ...
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Is it possible and worth it to create a DNS server + Cache on windows 10 and cache everything? [closed]

I was wondering if it's possible and logical to create a DNS server/cache inside Windows 10 (maybe by using wsl). So when I search twitter.com, for example, it doesn't go to Google or Cloudflare ...
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How to save my online game progress in case of corruption (Poki.com)

I had originally asked this question in Arqade and the folks there suggested I ask this here in SuperUser. I play a few online games on poki.com, and all my progress data (like guns, upgrades, etc) ...
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Thousand of cache files .HTM

In our development department, users use w2019 virtual machines. We are observing that every day there a lot of new cache files .HTM in: C:\Users\iisuserpool\AppData\Local\Microsoft\Windows\INetCache\...
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Meganz using huge amount of space in AppData/Chrome/[...]/File System

Since a couple days, Chrome is taking up a huge amount of space on my harddisk. Looking at where this usage comes from, the culprit seems to be the "file system" folder in Chrome's AppData. ...
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TTL of a dynamic arp entry in windows (not base time, actual time)

When I run arp -a on my cmd I get a list of arp entries. The dynamic entries expire when their timer expires and then they are deleted from the arp cache. How can I see how much time a certain entry ...
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Why is Chrome's service worker *cache* directory in ~/.config instead of ~/.cache?

One of the largest folders in terms of disk usage after just using my new install for one day is ~/.config/google-chrome/Default/Service Worker/CacheStorage. I'm using Chrome v101 (current stable) on ...
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Combine LVM caching and mirroring

I have LVM caching setup for my home_1 LV and I would like to mirror it to a new PV as well. When I run lvconvert I get an error "Cannot convert LV myvg/home_1_corig." Is it possible to ...
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MacOS: Cannot delete "Xcode Caches" under System Information > Storage Management

I am using a 2020 M1 Macbook Air on Monterey 12.3.1. When I go to: About this Mac > Storage > Manage > Developer I see Xcode Caches taking up 4.85 GB space. When I click delete, a pop up ...
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Linux SMP system: User process, Kernel module functions, Kernel module interrupt handler, SLUBs: run on which core?

I'm having some uncertainties regarding the kernelspace / userspace behaviour of multicore multithread systems, especially in combination with allocations using SLUB. Could you please give me some ...
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Does the Windows 7 CLI command "shutdown" ensure all disk writes occur before power ends?

I have a Windows 7 Batch file, (that I wrote), that opens a database program, and when the program is exitted, copies a large number of files from one folder to another folder on the same hard disk, ...
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Clear cached URL redirects from Safari and Firefox

I have a NodeJS server and set up a redirect for https://emocoes.org/ukraine to https://emocoes.org/ucrania. The redirects seem set up correctly: $ wget https://emocoes.org/ukraine 2>&1 | grep ...
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Windows DNS Cache doesn't include relevant records

Recently discovered when running two VMWare guests (Windows 10 and Windows 11) on a Windows 10/11 desktop I have a gross issue. When using Chrome, Edge and Firefox on my desktop the DNS Cache (...
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Is DRAM on a SSD managed by the OS or by the firmware?

I am using a SSD connected to a Mac over a sata to usb bridge to archive relatively big files. After I transfer it to the SSD, I unmount it and and unplug it. This SSD has a DRAM cache. From my ...
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What is caching in video playback?

This screenshot is from the VLC preferences menu. I initially had some stuttering issues while playing videos at 2x. Then I changed the File Caching to 10000ms, and the issue is likely gone. How does ...
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website loads wrong on 1 computer only

I'm trying to figure out why my website loads differently on 1 of my devices only. I'm testing it on a desktop and a laptop both running windows 10, and an android phone. It loads as is supposed to on ...
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Improve mdadm RAID5 with SSD Cache

I have the following Setup: 3x 3 TB SATA HDD With software raid connected to a RAID5 On top of this LVM for snapshots (backup) And on top of LVM EXT4 formatted. Actually around 400GB is used. I have ...
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Can't visit one site on my network, but can view it on a different network

Trying to figure out why I can't view a certain site on my wi-fi network, but I can view it on my mobile device (different network). I have cleared out my browser caches, flushed the DNS cache on each ...
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Disaster Recovery: Deleted Entire Knowledge Base on Web (Zendesk)

Running Chrome Version 96.0.4664.110 (Official Build) (64-bit) under Win10. Recently, through user error, we deleted apx. 100 articles from our customer knowledge base, which is hosted by Zendesk. Not ...
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What is included in the notion 'browser-cache'?

What is exactly included in the notion browser-cache? Does the notion browser-cache include in itself: cookies web-site-data browser-settings history bookmarks Or the notion browser-cache includes ...
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Apache2/Nextcloud Docker error: "\OC\Memcache\APCu not available for local cache"

I have an Apache2 Docker container and in /var/www/html/nextcloud a mounted path, with the Nextcloud files in it. However, when I try to run the cronjob (/var/www/html/nextcloud/cron.php) of Nextcloud ...
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How do modern GPUs cope with irregular memory access patterns?

In the baseline GPU architecture each streaming multiprocessor has a Load/Store unit and a memory request coalescer as far as I know but the memory request coalescer can only work efficiently if the ...
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Squid Deb proxy fails to provide required APT by Lan user

Following this tutorial I have squid-deb-proxy installed On a fresh Ubuntu server install MY server detials: Ubuntu server : NAME="Ubuntu" VERSION="20.04.3 LTS (Focal Fossa)" ID=...
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How can I mount a remote filesystem with cache-ahead, to get around bandwidth-delay issues?

I have a Plex server in my home that exists to stream video to a friend 10,000 miles away. Despite both of us having 100+ Mbps connections, they're unable to stream 4 Mbps video without frequent ...
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I have 2 nvme m.2 1TB SSD and I use the storage for gaming for quick load times and want to use one SSD as a cache for an HDD I’ve yet to buy

I have two Samsung 1TB m.2 SSD drives and I want to use one of the drives as a cache for a hard drive disk to load a variety of video games with quick load times. I do not know too much about the ...
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How to stop certain Windows games from disabling/bypassing disk read caching? A probable DRM issue

It's now the second game that I've been playing recently which for some reasons makes Windows not use disk cache. I have 64GB of RAM. The game itself eats around 7GB, 2GB are left for the OS, which ...
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What types of files can be cached in Firefox

Is there a limited set of filetypes that firefox will choose to save to browsing cache or can any filetype theoretically be cached? obviously images, scripts, and other media make sense but could a ...
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Why is my Synology NAS always caching data even when nothing new has been written?

I have a Synology NAS DS720+ with two 4To HDD and two 250Go SSD for read/write cache. Most of the time, the NAS is not used and nothing is read or written on it. Yet it makes noise all the time ...
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RAM Issue. Desktop Windows Manager is using a lot of RAM? Can I reduce it? Is it a bug?

I wanted to free up cached and temporary files on my computer for more RAM space for 3D work. After clearing most of my cached files I realised that there was still a lot of RAM being used, even ...
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Is it normal the .cache/mozilla/firefox/ to contain files of the type 'application/octet-stream'?

I am running a Linux-PC with Firefox last version. Is it normal the .cache/mozilla/firefox/ to contain files of the type 'application/octet-stream'?
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Page Cache not Fully Released

I tried to release all page cache pages. First, I checked its current size. cat /proc/meminfo|head shows: MemTotal: 11703912 kB MemFree: 5637568 kB MemAvailable: 7114944 kB Buffers: ...
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Write cache on local Windows 10 machine for asynchronous transfer to NAS?

I have an application that generates a stream of data as a single file. The amount of generated data is variable, but in average wouldn't nearly saturate my network or NAS speeds. However, there can ...
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Retain cached credentials after rejoin

I'm trying to create a script that unjoins (adds to workgroup) and then rejoins to the domain for people that work via VPN but have a deleted computer account in AD. This will add the machine to a ...
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Should Mozilla cache files ever contain PHP eval statements?

I am concerned about a breach on my network and starting greping my system for common PHP and Perl functions. I found eval statements in both home/user/.cache/mozilla/firefox/xxxxxx.default-release/...
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Can Firefox's 'shader-cache' folders contain private data?

Recent versions of Firefox create a shader-cache folder within each Firefox profile. Some privacy applications automatically delete this folder as part of their cleanup routines. Can Firefox's shader-...
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How to delete obsolete thumbnails in Windows 10's Start menu?

If Windows 10's Start menu shows an obsolete thumbnail (i.e. you click it and see empty collections/albums/people/folders), why does it show thumbnails to images that were probably deleted a long time ...
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Mediawiki file cache update after page edit

I have implemented Mediawiki 1.35 on a dedicated server (24 core, 32GB RAM, RAID 1) to which I have root access. The instance contains 21m+ articles, some of which are large and contain multiple ...
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View which Chrome extension uses a specific IndexedDB

In AppData/Local/Google/Chrome/User Data/Default/IndexedDB, I have one particular folder that takes up nearly 2GB. The folder is titled chrome-extension-.indexeddb.blob, so I have reason to believe ...
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Dropbox company download caching

Does anyone know If there is a way to create a local cache for Dropbox? I have multiple users in a local network and someone from the outside changes/uploads a file to dropbox, the sync party is on. ...
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Btrfs write speed very slow. In Linux how do I copy files using page cache?

I have 2 filesystems consisting of the same 15Tib size with both of them using 4 nvme ssd of the same model using btrfs based raid0 with all of the them plugged to a pci port. Both filesystem are ...
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How to disable Race Cache With Network (RCWN) in Firefox?

I just learned that Firefox has a cache racing feature, where if the disk cache is slow, it will fetch the data from server. However what Firefox developers did not consider is that some people may be ...
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Will the cache work after I format a USB HDD with ext4?

I have a USB HDD. With fdisk -l I get: Device Start End Sectors Size Type /dev/sdc1 34 262177 262144 128M Microsoft reserved /dev/sdc2 264192 9767540735 9767276544 4.6T ...
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Linux filesystem with metadata on SSD and file data on HDD

When using an SSD (flash) cache on a HDD (hard disk) filesystem (using bcache or lvmcache on dm-cache), it can happen that some of the blocks necessary for some global operation (maybe a find) are ...
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Where can caching happen in the DNS hierarchy and how are queries forwarded?

For a hostname to resolve into its IP address, there are several DNS servers that may be queried. Assuming caching doesn't happen, it goes from whoever made the request (the client), the recursive DNS,...
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Chrome Ignoring Cache Clear

I realize this question has been asked before. I have read the previous questions, and the solutions are not working for me. Chrome absolutely refuses to clear all cached data. This is interfering ...
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RAID 5 with NVMe / Optane cache on a Z170?

Information on this is sparse and i can't get clear answers so here goes: I'm currently using a Z77 board and I'm looking into adding a Z170-/Z270-system and setting up a software-RAID 5-array with an ...
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Clear recent created file names in WinSCP

I would like to know how to clear recent created file names that appearing in the dialogue box when creating a new file: I tried a lot without success
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NTFS Folder Compression Fades

I am on a Windows Server with limited disk capacity. I used windows build in compression of folders to compress a 30 Gbyte file to 22 GByte. I noticed that while running a programm which frequently ...
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mpv video freezes but audio plays when using youtube

I'm using mpv to play videos from different sources (e.g. youtube) in conjunction with my newsfeed-reader newsboat on my Debian Stable system (actually PureOS Amber which is based on Debian). But ...
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Recover Telegram media (images) after chat deletion [closed]

Is it possible to recover lost media (images) from Telegram after the chat/history deletion for both users? In AppData->Telegram it's stored some cache. Maybe it's possible... Windows desktop. ...
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