what is the difference between flush magento cache and flush cache storage?
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"Flush Magento Cache" removes only those entries that Magento reliably tracks as its own. "Flush Cache Storage" clears everything but might affect other applications if they're using it.
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DESCRIPTION top. fsync() transfers ("flushes") all modified in-core data of (i.e., modified buffer cache pages for) the file referred to by the file descriptor fd to the disk device (or other permanent storage device) so that all changed information can be retrieved even if the system crashes or is rebooted.
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flush(); Flushing is the process of synchronizing the underlying persistent store with persistable state held in memory. It will update or insert into your tables in the running transaction, but it may not commit those changes. ... So, you should commit but it also ends the unit of work ( transaction. commit() ).
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Re: "Could not save because of a disk error" Your drive has plenty of free space, so that should not be the problem, but run Disk Utility (in your Applications/utilities folder)or Norton on your hard drives which run your application, save you files to, and where your cache might be set to.
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Deleting the WTF folder will reset any settings for addons, so if you spent a bunch of time setting up action bars/unit frames/etc, you'll have to do it over again. Clearing out the cache shouldn't affect too much, but you might notice longer loading times for a little bit after running WoW again.
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Cookie is used to store information to track different characteristics related to user, while cache is used to make the loading of web pages faster. Cookies stores information such as user preferences, while cache will keep resource files such as audio, video or flash files.
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Temporary Internet Files: This contains your “browser cache” for Internet Explorer and Microsoft Edge. The cache includes bits and pieces of websites that are stored on your hard drive so you can load them faster in the future. You can clear this to free up space, but your browser cache will eventually fill up again.
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Magento 2 is faster all around in frontend performance with page loading speeds on average around 50% faster on the homepage and product pages. Checkout is 38% faster. Even though Magento 2 has significant improvements on Magento 1 performance, you will still need to be proactive about optimizing your site speed.
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['Open a Finder window and select “Go to Folder” in the Go menu.', 'Type in ~/Library/Caches and hit enter to proceed to this folder.', 'Optional step: You can highlight and copy everything to a different folder just in case something goes wrong.']
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Performing a wipe cache partition removes any temporary files that may be causing an issue with the device. All personal files and settings are not affected by this option. Ensure the device is powered off.
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There is a difference between the SQL Server CHECKPOINT and the Lazy writer process. CHECKPOINT does not remove the dirty pages from the memory. ... The Lazy writer process checks for the pages in the buffer pool and flushes them to the disk. It removes both the clean and dirty pages from the buffer cache.
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In layman's terms, a cache is a place where an app will store data, specifically to improve load speeds down the road. For example, when you search TikTok, the app will store some data in the cache, so the next time you do that search, it can fall back on that preloaded data and pull up the search faster.
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Clear cache & cookies. When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites.
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Both cache and RAM are volatile memory. The difference between cache and RAM is that the cache is a fast memory component that stores the frequently used data by the CPU while RAM is a computing device that stores data and programs currently used by the CPU. In brief, the cache is faster and expensive than RAM.
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As you identified, no-cache doesn't mean there is never caching, but rather that the user agent has to always ask the server if it's OK to use what it cached. By contrast, no-store says to not even keep a copy, which means there's nothing to ask about.
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Dynamic RAM has to be dynamically refreshed all of the time or it forgets what it is holding. ... So static RAM is fast and expensive, and dynamic RAM is less expensive and slower. Therefore static RAM is used to create the CPU's speed-sensitive cache, while dynamic RAM forms the larger system RAM space.
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Difference: Query Cache's sole purpose is to cache the queries whereas Second Cache can be used to cache for other caches also. Query cache is provided by Hibernate internally whereas for Second level cache you have to choose some external second level cache such as Infinispan, EHCache etc.