Ram Memory Cache Clear

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  1. How Do I Clear My Ram Cache
  2. How To Clear My Ram Cache
  3. Clear Ram Memory Cache Buffer And Swap Space On Linux
  4. Clear Ram Memory Cache Windows 10
  5. Can You Clear Ram Cache
  6. Ram Memory Cache Clearance

Like any other operating system, GNU/Linux has implemented a memory management efficiently and even more than that. But if any process is eating away your memory and you want to clear it, Linux provides a way to flush or clear ram cache.

How to Clear Cache in Linux?

Every Linux System has three options to clear cache without interrupting any processes or services.

Restart you computer. This will reset everything in your ram to 0. It clears your ram cache, as RAM is volatile, and everything in your ram will be lost upon restarting your computer. To clear the Windows Store cache, open “Run” by pressing Windows+R on your keyboard. The “Run” window will appear. In the text box next to “Open,” type WSReset.exe and then click “OK.” Once selected, a black window will appear. That means that the quickest route to clearing your Windows memory cache is to just turn your PC off. Restart it or switch it off and boot it up again manually —either way, the brief interruption in power will erase the data held within. When Windows starts up again, your memory usage should be lower as a result. Restart The Computer System The Ram is volatile memory, you’ll lose its contents when your computer turned off. Restarting your computer system will clear memory saved on RAM and reset all the running programs and applications. However, this method won’t clear the complete memory but it will boost up the processing speed of the system.

How Do I Clear My Ram Cache

1. Clear PageCache only.

How To Clear My Ram Cache

2. Clear dentries and inodes.

3. Clear PageCache, dentries and inodes.

Explanation of above command.

sync will flush the file system buffer. Command Separated by “;” run sequentially. The shell wait for each command to terminate before executing the next command in the sequence. As mentioned in kernel documentation, writing to drop_cache will clean cache without killing any application/service, command echo is doing the job of writing to file.

If you have to clear the disk cache, the first command is safest in enterprise and production as “...echo 1 > ….” will clear the PageCache only. It is not recommended to use third option above “...echo 3 >” in production until you know what you are doing, as it will clear PageCache, dentries and inodes.

Is it a good idea to free Buffer and Cache in Linux that might be used by Linux Kernel?

When you are applying various settings and want to check, if it is actually implemented specially on I/O-extensive benchmark, then you may need to clear buffer cache. You can drop cache as explained above without rebooting the System i.e., no downtime required.

Linux is designed in such a way that it looks into disk cache before looking onto the disk. If it finds the resource in the cache, then the request doesn’t reach the disk. If we clean the cache, the disk cache will be less useful as the OS will look for the resource on the disk.

Moreover it will also slow the system for a few seconds while the cache is cleaned and every resource required by OS is loaded again in the disk-cache.

Now we will be creating a shell script to auto clear RAM cache daily at 2am via a cron scheduler task. Create a shell script clearcache.sh and add the following lines.

Memory

Set execute permission on the clearcache.sh file.

Now you may call the script whenever you required to clear ram cache.

Now set a cron to clear RAM cache everyday at 2am. Open crontab for editing.

Append the below line, save and exit to run it at 2am daily.

For more details on how to cron a job you may like to check our article on 11 Cron Scheduling Jobs.

Is it good idea to auto clear RAM cache on production server?

No! it is not. Think of a situation when you have scheduled the script to clear ram cache everyday at 2am. Everyday at 2am the script is executed and it flushes your RAM cache. One day for whatsoever reason, may be more than expected users are online on your website and seeking resource from your server.

At the same time scheduled script run and clears everything in cache. Now all the user are fetching data from disk. It will result in server crash and corrupt the database. So clear ram-cache only when required,and known your foot steps, else you are a Cargo Cult System Administrator.

How to Clear Swap Space in Linux?

If you want to clear Swap space, you may like to run the below command.

Also you may add above command to a cron script above, after understanding all the associated risk.

Now we will be combining both above commands into one single command to make a proper script to clear RAM Cache and Swap Space.

After testing both above command, we will run command “free -h” before and after running the script and will check cache.

Like every operating system, Windows also stores different kinds of cache files on the hard drive. In simple words, cache files are temporary files that are stored on the memory to make it easier for you to access frequently used data. The cache data utilize lots of hard drive space of your computer. Deleting cache files is necessary for the smooth running of the system. Cache memory is responsible for various kinds of computer problems, including slow processing speed, slow startup, lag or hang, application responding, and many others. If you don't know how to clear memory cache on your Windows computer then, the solution to your problem is here. Here in this post, we will talk about How to clear memory cache on Windows computers.

5 Ways to Clear Memory Cache on Windows 10/8/7/Vista/XP

It is necessary to clear cache the memory to fully utilize your CPU power. Cache memory causes lots of problems by occupying a huge amount of computer RAM (Random Access Memory). That's why it is always recommended to clearing memory cache from your Windows computer to get optimum performance. Cache memory is something that is really useful to give you better performance. It helps the application to load faster as compared to load the app without cache data. Here below are some methods that will help you to clear memory cache in Windows 10/8/7/Vista/ and XP.

Method 1: Create Clear Memory Cache Shortcut

This is one of the easiest solutions to clear memory cache on the Windows operating system. This method is completely free; you don't have to install any third-party paid tool to clear the memory cache. Below are some steps to clear memory cache on Windows.

Step 1: First of all, you have to turn on your computer and right-click on the desktop.

Clear Ram Memory Cache Buffer And Swap Space On Linux

Step 2: Here, you will have a couple of options. Click on 'Shortcut' under the New option.

Step 3: Create a Shortcut wizard will appear, you have to click Browse to locate the directory. Or you can simply type '%windir%system32rundll32.exe advapi32.dll, ProcessIdleTasks' without quotes on the text field of 'Type the location of the item'.

Step 4: Once the above process is completed, you have to click on 'Next' button to proceed to the next step.

Step 5: Now, you have to type a name for this shortcut. Here, we are typing 'Clear Unused RAM' and hit on the 'Next' button.

Once the shortcut is created, switch to the desktop and double-click on the shortcut to clear memory cache on Windows.

Method 2: Clear General Cache

Disk Cleanup is an integrated feature of Microsoft Windows that enables the user to clean unwanted files. Getting engaging with this feature, you can remove temporary files, unwanted files, preview windows installation files, and much more. You just have to choose the disk and start the deleting process. Here below are steps to clear the memory cache using disk cleanup.

Step 1: At the first step, you have to click on the 'Start' button and type 'disk cleanup' in the search field and hit the 'Enter' button.

Step 2: Now, Disk Cleanup: Drive Selection dialog box will appear. You have to choose the drive from where you would like to clear the memory cache.

Step 3: Now, click on the 'OK' button. It will start the scanning process and shows you how much space is occupied by the cache.

Step 4: You have to tick the checkbox which you would like to clean. If you want to clean system files then, you can click on the 'Clean up system files' otherwise, hit on the 'OK' button at the bottom of the window.

Step 5: Once the above process is completed, you can click on 'Delete Files' if prompted. It will start deleting cache files from places including recycling bin, Thumbnails, and many other places.

Method 3: Clear App Data File to Clear Memory Cache

Step 1: At the first step, you have to click on the 'Start' button or hit on the 'Windows' key and click on 'Computers' to open My Computer.

Step 2: My Computer window will appear; if you don't see My Computer, then manually type 'My Computer' in the start and hit the 'Enter' button.

Step 3: Once the above process is completed, you have to click on the 'Organize' tab in the top left corner of the window.

Step 4: Then, choose 'Folder and search options' under the organize drop-down menu.

Step 5: a Folder options dialog box will appear with 3 tabs; click on the view tab.

Step 6: Now, you have to click on 'Show Hidden files, folder, and drives' radio button under the 'Hidden files and folders'.

Step 7: Click on the 'OK' button at the button of the window.

Step 8: Once the above process is successfully completed, you have to open the hard disk where windows are installed.

Step 9: Now, you have to open the 'Users' folder by double-clicking on it. Then, click on the folder with an administrator account.

Step 10: You have to locate the 'AppData' folder and open it by double-clicking and open the 'Local' folder.

Step 11: Now, you have to select the 'Temp' folder and open it.

Step 12: Remove the read-only permissions from the Temp folder.

Step 13: You have to select all files that are placed in the Temp folder. You can press 'Ctrl' + 'A' to select all files.

Step 14: Once the files are selected, Press 'Shift' + 'Delete' button simultaneously to permanently delete all temp files.

Method 4: Delete Internet Explorer Files to Clear Memory Cache

Step 1: First of all, click on the 'Start' button and type 'Internet Explorer' in the text field and press the 'Enter' button.

Step 2: Internet Explorer web browser window will appear, you have to click on the 'General' tab at the top of the window.

Step 3: Now, you have to click on the 'Settings' under the browsing history section.

Step 4: Then, click on 'View files' at the screen's bottom right side. Once the above process is completed, a new window will appear with all cached files created by Internet Explorer.

Step 5: You have to press the 'Ctrl' + 'A' button simultaneously to select all the cache files.

Step 6: Now, you have to press the 'Shift' + 'Delete' button to remove all cached files permanently.

Method 5: Clear the DNS Cache

Step 1: Initially, you have to click on the 'Start' menu by clicking on the Start button at the bottom left of the screen.

Clear Ram Memory Cache Windows 10

Step 2: Now, type command prompt and hit the Enter button to launch. You can also open a command prompt by right click on Command prompt and run as administrator.

Step 3: On the command prompt, you have to type 'ipconfig /flushdns' without quotes and press the'Enter' button.

Can You Clear Ram Cache

Step 4: You have to wait for a couple of seconds and be notified when completed. Once it is successfully completed, you have to restart your computer to makes changes.

Ram Memory Cache Clearance

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