[ale] firefox s_l_o_w over nfs mounted /home

[Jim Kinney]

Good point. I am using sync on that nfs mount. I'll poke it to async and
retest.
On Sep 30, 2015 2:08 PM, "Scott Bragg" <walkingbear at gmail.com> wrote:

> Sounds like significant drop in performance for large numbers of small
> file writes.  Are you using async writes?   If I remember my nfs tuning
> params, sync writes send a confirm for each file written and if you're
> writing a lot of tiny files, it slows things significantly.   Once I get a
> break from the wonderful fun of PowerDNS (/sarc) I'll dig into some of the
> nfs tuning and see what I can find.    Beyond that, normal disk and
> filesystem tuning for the types / sizes of file writes as well as possibly
> moving the dot files and temp dirs off the nfs and onto the local
> workstation  (/tmp/usr/.xyz  instead of /home/user/.xyz for instance) might
> help at least troubleshoot.
>
> Scott
>
>
> On Wed, Sep 30, 2015 at 1:24 PM, Jim Kinney <jim.kinney at gmail.com> wrote:
>
>> everything BUT firefox and Matlab are OK. Both are heavy writers to
>> dotfiles :-(
>>
>> nfstat values are OK. As expected it varies throughout the day based on
>> building usage.
>>
>> On Wed, 2015-09-30 at 13:19 -0400, Scott Bragg wrote:
>>
>> What kind of response rates do you get locally to that nfs mount?
>>
>> On Wed, Sep 30, 2015 at 1:12 PM, Jim Kinney <jim.kinney at gmail.com> wrote:
>>
>> I'm 99% certain that the 2-5 minute page load is due to the caching
>> process and the mostly crappy bandwidth between my users and where their
>> /home is sourced. So I disabled caching as a test. No change.
>>
>> I've checked DNS and it returns fast. Any other ideas to speed things up?
>>
>> --
>> James P. Kinney III
>>
>> Every time you stop a school, you will have to build a jail. What you
>> gain at one end you lose at the other. It's like feeding a dog on his
>> own tail. It won't fatten the dog.
>> - Speech 11/23/1900 Mark Twain
>> http://heretothereideas.blogspot.com/
>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>>
>> _______________________________________________
>> Ale mailing listAle at ale.orghttp://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists athttp://mail.ale.org/mailman/listinfo
>>
>> --
>> James P. Kinney III
>>
>> Every time you stop a school, you will have to build a jail. What you
>> gain at one end you lose at the other. It's like feeding a dog on his
>> own tail. It won't fatten the dog.
>> - Speech 11/23/1900 Mark Twain
>> http://heretothereideas.blogspot.com/
>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>>
>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ale.org/pipermail/ale/attachments/20151001/5768e561/attachment.html>