[mythtv-users] Graphite theme slow in "Watch Recordings"

[David Knight]

On Fri, October 9, 2009 9:02 am, Michael T. Dean wrote:
> On 10/09/2009 03:34 AM, myShade wrote:
>> On Fri, 2009-10-09 at 09:23 +0200, myShade wrote:
>>
>>> On Fri, 2009-10-09 at 03:07 -0400, Michael T. Dean wrote:
>>>
>>>> On 10/09/2009 02:47 AM, myShade wrote:
>>>>
>>>>> I cleaned everything out, but still no go.
>>>>> I have FE/BE on the same machine. Graphite is the only theme
>>>>> affected.
>>>>> Thinking all those trans*.png and rec*.png has something to do with
>>>>> it,
>>>>> since no other theme i tried have this flash on "selected item" in
>>>>> "watch recording" menu.
>>>>> No TV related stuff is on NFS. Since other themes works fine i cant
>>>>> think its a cache or "head on performance" issue.
>>>>>
>>>>> Guess i have to leave the favorite theme for some time ;9
>>>>> Still problems are ment to be solved.......
>>>>>
>>>> As Chris Pinkham mentioned, if the $HOME/.mythtv directory is on NFS,
>>>> you need to configure that one with some non-0 actimeo.  I was wrong
>>>> when I mentioned the TV directories as being the ones that might need
>>>> reconfiguring.
>>> Anyway $HOME/.mythtv is not on NFS either, should have mentioned that
>>> too.
>> Well, well... I just unmounted my NFS mounts and voila... Speed is back
>> in Graphite..
>>
>> My mythvideo,mythgallery is on nfs://mnt/video,gallery.
>> So what and why is accessing NFS in the "Watch Recordings".
>> mythfrontend -v all does not provide any info.
>
> Watch recordings looks for banner art and fan art and ... for some
> themes in your video images directories.
>
> So, change your mount to use actimeo=1 or actimeo=5.
>
> Mike
>
>

According to man page for nfs, actimeo sets the following attributes to
the value specified, so why would setting it to 5 improve the performance?
the defaults look fine....:

acregmin= The  minimum  time  (in  seconds)  that the NFS client caches
attributes of a regular file before it requests fresh attribute
information from a server.  If this option is not specified, the NFS
client uses a 3 second minimum.

acregmax= The maximum time (in seconds) that the NFS client caches
attributes of a regular file  before  it  requests  fresh  attribute
information from a server.  If this option is not specified, the NFS
client uses a 60-second maximum.

acdirmin= The  minimum time (in seconds) that the NFS client caches
attributes of a directory before it requests fresh attribute information
from a server.  If this option is not specified, the NFS client uses a
30-second minimum.

acdirmax= The maximum time (in seconds) that the NFS client caches
attributes of a directory before it requests fresh attribute  information
from a server.  If this option is not specified, the NFS client uses a
60-second maximum.

actimeo= Using actimeo sets all of acregmin, acregmax, acdirmin, and
acdirmax to the same value.  If this option is not specified, the NFS
client uses the defaults for each of these options listed above.