moosefs-users

Re: [Moosefs-users] fox and bird

[Steve T. <sm...@cb...>]

On Wed, 16 May 2012, Quenten Grasso wrote:

> Out of interest have you tried setting the goal of the fox/bird cache folder to 1?

Wow, that is a good idea. No, I have not done that, but I will do so first 
thing tomorrow morning and will report back.

Steve
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----------------------------------------------------------------------------
Steve Thompson, Cornell School of Chemical and Biomolecular Engineering
smt AT cbe DOT cornell DOT edu
   "186,282 miles per second: it's not just a good idea, it's the law"
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Re: [Moosefs-users] fox and bird

[Steve T. <sm...@cb...>]

On Wed, 16 May 2012, Quenten Grasso wrote:

> Out of interest have you tried setting the goal of the fox/bird cache folder to 1?

Well it was a good idea but unfortunately it doesn't make any difference 
at all :-(

Steve

Re: [Moosefs-users] fox and bird

[Steve T. <sm...@cb...>]

On Wed, 16 May 2012, Steve Thompson wrote:

> Well it was a good idea but unfortunately it doesn't make any difference
> at all :-(

Aha!

I have just discovered that firefox 3.6.26, which I have on one of my
machines, works perfectly with MFS. The version of firefox that I have 
been using for most of my testing, 10.0.4, does not work at all with MFS.

I'd appreciate it if anyone is using firefox with MFS and has no problems,
please document the version of firefox that you are using. And I caution 
you against upgrading!

Steve

Re: [Moosefs-users] fox and bird

[Dr. M. J. C. <mj...@av...>]

> I have just discovered that firefox 3.6.26, which I have on one of my
> machines, works perfectly with MFS. The version of firefox that I have
> been using for most of my testing, 10.0.4, does not work at all with MFS.
>
> I'd appreciate it if anyone is using firefox with MFS and has no problems,
> please document the version of firefox that you are using. And I caution
> you against upgrading!

I believe FF4 is where the heavy use of sqlite profile files was added. 
FF3 is ancient now...

I'm using FF12.

- Mike

Re: [Moosefs-users] fox and bird

[Dr. M. J. C. <mj...@av...>]

>> Out of interest have you tried setting the goal of the fox/bird cache folder to 1?
>
> Well it was a good idea but unfortunately it doesn't make any difference
> at all :-(

You don't have multiple firefox instances accessing the same profile, do 
you? Or some other multiple-access scenario?

- Mike

Re: [Moosefs-users] fox and bird

[Steve T. <sm...@cb...>]

On Wed, 16 May 2012, Dr. Michael J. Chudobiak wrote:

> You don't have multiple firefox instances accessing the same profile, do
> you? Or some other multiple-access scenario?

No, it's just a straightforward single user (me) scenario.

Re: [Moosefs-users] fox and bird

[Steve W. <st...@pu...>]

On 05/16/2012 11:37 AM, Dr. Michael J. Chudobiak wrote:
>> I have just discovered that firefox 3.6.26, which I have on one of my
>> machines, works perfectly with MFS. The version of firefox that I have
>> been using for most of my testing, 10.0.4, does not work at all with MFS.
>>
>> I'd appreciate it if anyone is using firefox with MFS and has no problems,
>> please document the version of firefox that you are using. And I caution
>> you against upgrading!
> I believe FF4 is where the heavy use of sqlite profile files was added.
> FF3 is ancient now...
>
> I'm using FF12.
>
> - Mike

We are also using FF12 and have been seeing problems mainly with the 
SQlite write-ahead logging files:
     places.sqlite-wal
     places.sqlite-shm
     cookies.sqlite-wal
     cookies.sqlite-shm

The user is only logged in from one workstation.  Several times per day 
I'll get a spike of write attempts on one of these files as seen in the 
system log:
     May 15 20:41:20 iceman mfsmount[5084]: file: 2656491, index: 0 - 
fs_writechunk returns status 11
     May 15 20:41:21 iceman rsyslogd-2177: imuxsock lost 142624 messages 
from pid 5084 due to rate-limiting

Steve

Re: [Moosefs-users] fox and bird

[Allen, B. S <bs...@la...>]

Maybe a naive question, but could you all just symlink or bind mount .mozilla to something like /tmp/<user>_mozilla for each user? Say in /etc/profile or add the symlink to /etc/skel for new users.

I know this complicates the setup a bit. FF's history and what not won't be shared across hosts, but it should solve the performance issue.

Ben

On May 16, 2012, at 10:05 AM, Steve Wilson wrote:


On 05/16/2012 11:37 AM, Dr. Michael J. Chudobiak wrote:
I have just discovered that firefox 3.6.26, which I have on one of my
machines, works perfectly with MFS. The version of firefox that I have
been using for most of my testing, 10.0.4, does not work at all with MFS.

I'd appreciate it if anyone is using firefox with MFS and has no problems,
please document the version of firefox that you are using. And I caution
you against upgrading!
I believe FF4 is where the heavy use of sqlite profile files was added.
FF3 is ancient now...

I'm using FF12.

- Mike

We are also using FF12 and have been seeing problems mainly with the
SQlite write-ahead logging files:
    places.sqlite-wal
    places.sqlite-shm
    cookies.sqlite-wal
    cookies.sqlite-shm

The user is only logged in from one workstation.  Several times per day
I'll get a spike of write attempts on one of these files as seen in the
system log:
    May 15 20:41:20 iceman mfsmount[5084]: file: 2656491, index: 0 -
fs_writechunk returns status 11
    May 15 20:41:21 iceman rsyslogd-2177: imuxsock lost 142624 messages
from pid 5084 due to rate-limiting

Steve

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Re: [Moosefs-users] fox and bird

[Steve W. <st...@pu...>]

On 05/16/2012 12:19 PM, Allen, Benjamin S wrote:
> Maybe a naive question, but could you all just symlink or bind mount 
> .mozilla to something like /tmp/<user>_mozilla for each user? Say in 
> /etc/profile or add the symlink to /etc/skel for new users.
>
> I know this complicates the setup a bit. FF's history and what not 
> won't be shared across hosts, but it should solve the performance issue.
>
> Ben

No, it's not a naive question/suggestion and it may be the route we'll 
need to take... or move all the users to Chromium. :-)

Some users have reported similar problems with FF on NFS-mounted home 
directories and one suggested work-around was to do exactly what you 
recommend or to use a RAM disk ( 
https://wiki.archlinux.org/index.php/Firefox_Ramdisk).

Steve

Re: [Moosefs-users] fox and bird

[Steve T. <sm...@cb...>]

On Wed, 16 May 2012, Allen, Benjamin S wrote:

> Maybe a naive question, but could you all just symlink or bind mount .mozilla to something
> like /tmp/<user>_mozilla for each user? Say in /etc/profile or add the symlink to /etc/skel
> for new users.

That is essentially what I am doing now.