Why is my GFS2 filesystem performance slow when doing a `rm -rf *` operation?

Solution Verified - Updated -

Issue

  • Why is my GFS2 filesystem performance slow when doing a rm -rf * operation?

  • Why do I see memory allocation errors in /var/log/messages like the following below?

    Jul 24 14:42:24 node42 kernel: ------------[ cut here ]------------
Jul 24 14:42:24 node42 kernel: WARNING: at mm/page_alloc.c:1970 get_page_from_freelist+0x9a8/0x9f0()

Environment

  • Red Hat Enterprise Linux Server 5 (with the High Availability and Resilient Storage Add Ons)
  • Red Hat Enterprise Linux Server 6 (with the High Availability and Resilient Storage Add Ons)
  • Red Hat Enterprise Linux Server 7 (with the High Availability and Resilient Storage Add Ons)
  • A Global Filesystem 2(GFS2)

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