<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> Forgive the lateness; I've been on vacation. I've used 'defaults,noatime' for my /boot /var and /usr/local/ partitions since I built the server last year. It works well, and from my tests cuts the load significantly. I started with /var/ because I do a lot of DB stuff, and that's where MySQL keeps its things by default, as well as log files /usr/local/ is where my custom anti-spam and imap servers are /boot/ I just threw in there as an afterthought. I'll try /tmp/ next. I definitely can't use /home/ because I have backup scripts that compare file modification timestamps, though I imagine there are a host of other reasons not to. I do imagine I'll eventually run into some weird error that is caused by a program looking for a timestamp change, I just haven't found it yet. -Michael Robert Arkiletian wrote: <blockquote cite="mida18d8e260708091026r6d2e36bcm98f9d5206afde0d8@mail.gmail.com" type="cite"> <pre wrap="">On 8/9/07, Robert Arkiletian <a class="moz-txt-link-rfc2396E" href="mailto:robark@gmail.com"><robark@gmail.com></a> wrote: </pre> <blockquote type="cite"> <pre wrap="">On 8/9/07, James P. Kinney III <a class="moz-txt-link-rfc2396E" href="mailto:jkinney@localnetsolutions.com"><jkinney@localnetsolutions.com></a> wrote: </pre> <blockquote type="cite"> <pre wrap="">From a performance aspect, the potential in LTSP is huge. Everytime a client reads a file that runs the user interface, a disk write must also happen if atime is on. From a standpoint of system control, do you _really_ need to know when someone read a file? Maybe in a high-security environment but in a school? </pre> </blockquote> <pre wrap="">Exactly. </pre> <blockquote type="cite"> <pre wrap="">Currently most system use mount options as defaults which are default options: rw, suid, dev, exec, auto, nouser, and async so change an fstab line from LABEL=/home /home ext3 defaults 1 2 to: LABEL=/home /home ext3 rw,suid,dev,exec,auto,nouser,async,noatime 1 2 </pre> </blockquote> <pre wrap="">How about just LABEL=/home /home ext3 defaults,noatime 1 2 also (for clarity) other mount points would benefit too. </pre> </blockquote> <pre wrap=""> Here are some interesting links <a class="moz-txt-link-freetext" href="http://wiki.centos.org/HowTos/Disk_Optimization">http://wiki.centos.org/HowTos/Disk_Optimization</a> <a class="moz-txt-link-freetext" href="http://www.ghidinelli.com/2006/01/17/postgres-812-benchmarks/">http://www.ghidinelli.com/2006/01/17/postgres-812-benchmarks/</a> <a class="moz-txt-link-freetext" href="http://www.ghidinelli.com/workspace/postgres/postgres_20060116.html">http://www.ghidinelli.com/workspace/postgres/postgres_20060116.html</a> I'm weighing the risk vs benefit of data=writeback </pre> </blockquote> <pre class="moz-signature" cols="72">-- CONFIDENTIALITY NOTICE: This message, and any attachments that may accompany it, contain information that is intended for the use of the individual or entity to which it is addressed and may contain information that is privileged, confidential, or otherwise exempt from disclosure under applicable law. If the recipient of this message is not the intended recipient, any disclosure, copying, or other use of this communication or any of the information, which it contains is unauthorized and prohibited. If you have received this message in error, please notify the original sender by return mail and delete this message, along with any attachments, from your computer. Thank you. </pre> </body> </html>