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Performance of near-full filesystems

To: linux-xfs@xxxxxxxxxxx
Subject: Performance of near-full filesystems
From: Federico Sevilla III <jijo@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 22 Jul 2001 18:41:38 +0800
Sender: owner-linux-xfs@xxxxxxxxxxx
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Hi everyone,

I'm wondering if XFS has certain issues when dealing with a filesystem whose 
usage is nearing its capacity. I ask because I have a partition that's using 
XFS (of course) with a 32768b internal log and is mounted 
with "rw,noatime,nodiratime,logbufs=8,biosize=16,osyncisdsync". Its size is 
53.74GB total, and is currently at 80% usage (43.20GB used, 10.54GB free). 
Total inodes used and free are not a problem in this case, though (only 1% 
used). I will still need to use more space on the hard drive in the near 
future, before I can delete some stuff and free up space.

I remember with ReiserFS before (I have absolutely no idea if this still exists 
today) that there was a FAQ entry about a filesystem slowing down when it 
reached something like 85% usage. I hope this isn't an issue with XFS, but 
thought I'd ask anyway.

Also, I remember with XFS before (in the mailing list) that there was an issue 
about inode allocation where if you delete a large file and then start filling 
up the disk with a lot of smaller files you'll be wasting space. Or maybe vise 
versa also. What's the current status of this? :)

Thanks a lot for the great filesystem guys! :)

 --> Jijo

-- 
Federico Sevilla III  :: jijo@xxxxxxxxxxxxxxxxxxxx
Network Administrator :: The Leather Collection, Inc.


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