To clear dentries and inodes only, run the following commands in the terminal: sudo sync & echo 2 | sudo tee /proc/sys/vm/drop_caches 3. Clearing the dentries and inodes caches can help resolve file system-related issues and improve system performance. These caches help speed up file system operations and reduce the overhead associated with frequent file access. Clear Dentries and Inodes:ĭentries (short for “directory entries”) cache stores information about the directory structure, while the inodes cache stores metadata about files, such as file permissions, ownership, and size. To clear PageCache only, run the following commands in the terminal: sudo sync & echo 1 | sudo tee /proc/sys/vm/drop_caches 2. Clearing the PageCache can help improve system performance and free up memory. When the system accesses a file or program, it first checks the PageCache before moving to the disk. It reduces the need for the system to access slower storage devices, such as hard drives or SSDs, and helps speed up read and write operations. The PageCache, also known as the disk cache, is a memory cache that stores frequently accessed disk data. While the cache is automatically managed by the kernel, you can manually clear it when needed. Ensure you have saved all your work before attempting to clear the cache.Ĭlearing the memory cache in Linux involves flushing the cache and freeing up memory for other processes.
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