[Gluster-users] Indexing/Importing existing files on disk

Strahil Nikolov hunter86_bg at yahoo.com
Mon Apr 4 20:05:01 UTC 2022

* it instructs the kernel to skip 'getfattr'
  On Mon, Apr 4, 2022 at 23:04, Strahil Nikolov<hunter86_bg at yahoo.com> wrote:   I agree. Also it has a typo.Obviously I needed more coffee or a bigger break.
It should be treated as 'relatime/noatime reduce the ammount of I/O requests to your brick physical device , which increases performance by reducing unnecessary IOPS'
Same is valid for SELINUX's mount option:context="system_u:object_r:glusterd_brick_t:s0" . It instructs the kernel to 'getfattr' each file in the brick as it has a specific selinux context (this case Gluster brick files), thus reducing unnecessary IOPS.

Best Regards,Strahil Nikolov
  On Mon, Apr 4, 2022 at 9:41, Diego Zuccato<diego.zuccato at unibo.it> wrote:   Il 03/04/2022 16:36, Strahil Nikolov ha scritto:

> Using relative/noatime mount option reduces the I/O to the brick device.IMVHO this sentence could cause misunderstandings. :)
It could be read like "noatime slows down your brick" while, IIUC, it 
really means it *improves* the brick's performance by reducing the 
number of "housekeeping" IOs.

Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
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