하둡 hadoop && ext3, ext4 , XFS

Underlying File System Options If mount the disks as noatime, then the file access times aren't written back; this speeds up reads. There is also relatime, which stores some access time information, but is not as slow as the classic atime attribute. Remember that any access time information kept by Hadoop is independent of the atime attribute of individual blocks, so Hadoop does not care what yo..

원문링크 : 하둡 hadoop && ext3, ext4 , XFS