Issue When the storage system needs to work with the contents of any directory, it must load all the directory's blocks into memory. A large directory must occupy many buffers in the memory of the sto...Issue When the storage system needs to work with the contents of any directory, it must load all the directory's blocks into memory. A large directory must occupy many buffers in the memory of the storage controller. Loading a directory involves reading blocks from the disks, which results in I/O load and processor time. If there are many large directories in a file system, the effects noted above might be multiplied, causing severe performance issues.
