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The Thursday 2008-01-03 at 17:48 -0500, Greg Freemyer wrote:
On Jan 3, 2008 2:04 PM, Carlos E. R. <> wrote:
Reiserfs will be very happy with millions of files in a single directory.
You can try it yourself, creating and deleting such files with a script
and timing the operation: I did so myself to verify.
Like:
$DONDE=/Somewhere
time for X in `seq 1 1000`;
do
for Y in `seq 1 1000`;
do
dd if=/dev/zero of=$DONDE/Zero_$X"_"$Y bs=1k count=1 2> /dev/null
done
echo $X thousands
done
(You can add timings in there)
Testing now on a native reiser. I'll play with samba tomorrow.
FYI: I guess that extra $ was to make sure I knew what I was doing. I
copied the above a little to literally the first time and created a
few hundred /Zero* files. Easy enough to delete. Glad you gave them
a nice easy to identify name.
:-)
I should have written some comments, I guess O:-)
$DONDE is a variable; the first line defined it to be "/Somewhere". The
idea was to change it there to an appropriate path for your system. I also
deleted my timing commands, which I thought might be confusing.
Another detail: in linux, the system keeps tracks of access time (atime),
which means something has to written each time the directory or file is
accessed, slowing the throughput. I always disable atime in the mount
command, I have no use for it and the disk is faster; for instance:
LABEL=160_xtr /xtr reiserfs acl,user_xattr,noatime,nodiratime 1 2
- --
Cheers,
Carlos E. R.
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