Subject: Terrible tar performance on RAID 0 filesystem
To: None <>
From: Jared D. McNeill <>
List: current-users
Date: 03/12/2001 18:43:25
I don't know, this just doesn't look right to me. I downloaded pkgsrc/mk
as a tarball from, and I noticed some strange tar behavior.

/export is a RAID 0 filesystem, / is a normal filesystem. Both are using
softdeps and the kernel is relatively new (1.5S).

blackhole:~# time tar -xpf /export/pkgsrc/mk.tar

real    0m0.253s
user    0m0.001s
sys     0m0.039s
blackhole:~# cd /export
blackhole:/export# time tar -xpf /export/pkgsrc/mk.tar

real    3m39.159s
user    0m0.020s
sys     0m6.811s
blackhole:/export# uname -a
NetBSD 1.5S NetBSD 1.5S (BLACKHOLE) #0: Sun Mar  4
01:43:31 AST 2001

Has this been fixed in the last few days?