[Linux-cluster] gfs2 v. zfs?
Jeff Sturm
jeff.sturm at eprize.com
Tue Jan 25 20:18:29 UTC 2011
> -----Original Message-----
> From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com]
> On Behalf Of yvette hirth
> Subject: Re: [Linux-cluster] gfs2 v. zfs?
>
> ls -lhad /foo/stuff/moreStuff/*
>
> is where response time increases by a magnitude, because moreStuff has
> ~260 directories. enumerating moreStuff and other "directories with many
> subdirectories" appear to be the culprits.
Try "unalias ls" before you do that. Does it make a difference?
On my systems (and probably most CentOS/Red Hat) I have:
$ alias ls
alias ls='ls --color=tty'
defined in /etc/profile.d/colorls.sh. This results in an extra stat() system call per file in the output listing to determine the node type.
-Jeff
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