[mythtv-users] mythfilldatabase problems

Michael T. Dean mtdean at thirdcontact.com
Fri Sep 9 20:05:53 UTC 2011

On 09/09/2011 03:56 PM, blandford.net wrote:
> On 08/31/2011 09:19 AM, Dan Wilson wrote:
>> I recently moved my mythtv setup from Time-Warner cable to Dish Network
>> (we moved out into the country).
>> With the Dish Network lineup configured on Schedules Direct, I get
>> mythfilldatabase failures. --dd-grab-all never works (timeouts).
> Hello Dan and the list.
> I seem to be having a similar problem to many of the others with
> mythfilldatabase.
> Running a mythfilldatabase takes easily over an hour.
> I am running Fedora 15 x86_64, mysql 5.5, and using dish network.  I am
> not sure when the slowness with mythfilldatabase began because I usually
> run it out of cron and just simply didn't notice.  I just added dish
> network about 9 months ago so I was probably running Fedora 13 or 14 at
> the time and didn't experience the slowness then.
> Following the thread on this topic, I have checked the suggestions:
> The mysql database is on an xfs filesystem and is the same as when I was
> on older Fedora releases.  The barrier=0 isn't applicable.
> I have>  10gb of space in /tmp and the permissions are 1777.
> The disk I/O is quite high while mythfilldatabase is running.  atop
> shows the mirror with the database on it to be very busy.
> I believe Dan ordered an SSD to work around the issue, but this seems
> like sort sort of incompatibility has crept up.  Unfortunately, I don't
> know if it is something in fedora 15 like the kernel, mysql, filesystem,
> etc or something in Mythtv.
> I would welcome any suggestions to try to resolve this issue.

Did you try changing the file system(s) with the MySQL data and the /tmp 
file system as described in 
http://www.gossamer-threads.com/lists/mythtv/users/486663#486663 .  
IIRC, Fedora 15 is using ext4...


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