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alltestsdir
2005 Nov 20
2
ZFS & small files
...o
bytes in length. The test data was tarred and gzipped to /tmp and then
untarred onto the zfs pool as follows:
$ zfs list
NAME USED AVAIL REFER MOUNTPOINT
testpool 192M 4.62G 192M /testpool
$ pwd
/testpool/al
$ mkdir test5
$ cd test5
$ ptime gunzip -c /tmp/alltestdir.tar.gz | tar xf -
What I''m seeing is very high CPU utilization (system calls) and I/O rates
that average (only) about 350kb/Sec.
Here''s the data:
$ ptime gunzip -c /tmp/alltestdir.tar.gz | tar xf -
real 1:37.865
user 1.176
sys 0.194
output from vmstat 5 55:...