[mythtv-users] Mythweb Slow to Render Program Detail Page as Selected From Recorded Programs page

Fri Mar 5 20:00:34 UTC 2010

At 12:01 PM 3/4/2010, Mache Creeger wrote:
>At 05:14 PM 2/25/2010, you wrote:
>>At 01:59 PM 2/25/2010, Johnny Walker wrote:
>>>On Thu, Feb 25, 2010 at 3:39 PM, Tom Dexter 
>>><digitalaudiorock at gmail.com> wrote:
>>> > On Thu, Feb 25, 2010 at 4:25 PM, Johnny Walker 
>>> <johnnyjboss at gmail.com> wrote:
>>> >>> What does the system's free memory look like while you're doing this?
>>> >>>
>>> >>> -Johnny
>>> >>
>>> >>> The system is basically at 90% idle all the time. I have looked a the
>>> >>> mythbackend.log and there is nothing there that would suggest 
>>> a problem. The
>>> >>> system has 1GB of memory and 4GB of swap and there is nothing 
>>> in top to show
>>> >>> that memory is a problem anywhere.
>>> >>>
>>> >>> -- Mache
>>> >>
>>> >> I had 2 Gigs of Ram in my backend and I was starting to swap to disk
>>> >> when I used mythweb. I added 2 more gigs and now mythweb doesn't cause
>>> >> me to swap out to disk. Using swap memory is much slower than actual
>>> >> memory. The problem is compounded if you're running mysql-server,
>>> >> Apache, mythbackend and the OS all on 1 physical hard drive.
>>> >>
>>> >> Swap is slow - I would avoid using it if you can.
>>> >>
>>> >> -Johnny
>>> >
>>> > For what it's worth, my backend has 512MB of ram and I've never had a
>>> > problem with it or with mythweb.  What sort of activity in mythweb was
>>> > causing that sort of memory use?  If that were typical it would have
>>> > used up my ram and swap which would most likely have brought the
>>> > machine down.  I think that program searches in 0.21 used to be broken
>>> > and would reach the php maximum allowed memory.
>>> >
>>> > Tom
>>>
>>>Great - now I've got another problem to look into.
>>>
>>>-Johnny
>>
>>I have looked at every log available and will run mysql with debug 
>>logging turned on, but I am stumped as to why this is happening. It 
>>takes 5 minutes to render and its like its waiting for something to 
>>time out before it goes forward. I do not believe the problem is 
>>that I am running out of memory and swapping.
>>
>>-- Mache
>
>Here is the /var/log/httpd/access_log log. I have highlighted the 
>area where the long Mythweb wait time occurs. What does Mythweb have 
>to do to produce the following log item and how can I speed it up?
>
>192.168.1.99 - user [04/Mar/2010:11:43:08 -0800] "GET 
>/tv/flowplayer-3.1.1.swf?0.02433572888925295 HTTP/1.1" 200 105958 " 
>http://host/tv/detail/2009/1267657200" "Mozilla/5.0 (Windows; U; 
>Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 
>(.NET CLR 2.0.50727)"
>
>-- Mache
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/data/tv_icons/amc.jpg HTTP/1.1" 200 6517 " http://host/tv/recorded" 
>"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) 
>Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/data/tv_icons/cartoon_network.jpg HTTP/1.1" 200 8594 " 
>http://host/tv/recorded" "Mozilla/5.0 (Windows; U; Windows NT 5.1; 
>en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/data/tv_icons/starz_cinema.jpg HTTP/1.1" 200 6305 " 
>http://host/tv/recorded" "Mozilla/5.0 (Windows; U; Windows NT 5.1; 
>en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/data/tv_icons/dsc.gif HTTP/1.1" 200 529 " http://host/tv/recorded" 
>"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) 
>Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/1009/1245207600/100/75/64/1009_20090616200000.mpg.100x75x64.png 
>HTTP/1.1" 200 10921 " http://host/tv/recorded" "Mozilla/5.0 
>(Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 
>Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/1042/1245049200/100/75/64/1042_20090615000000.mpg.100x75x64.png 
>HTTP/1.1" 200 8730 " http://host/tv/recorded" "Mozilla/5.0 (Windows; 
>U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 
>(.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/1002/1245036600/100/75/64/1002_20090614203000.mpg.100x75x64.png 
>HTTP/1.1" 200 12402 " http://host/tv/recorded" "Mozilla/5.0 
>(Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 
>Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:22 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/1042/1244804400/100/75/64/1042_20090612040000.mpg.100x75x64.png 
>HTTP/1.1" 200 14288 " http://host/tv/recorded" "Mozilla/5.0 
>(Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 
>Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:04 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/2009/1267621200/100/75/64/2009_20100303050000.mpg.100x75x64.png 
>HTTP/1.1" 200 - " http://host/tv/recorded" "Mozilla/5.0 (Windows; U; 
>Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 
>(.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:40:08 -0800] "GET 
>/tv/detail/2009/1267657200 HTTP/1.1" 200 16670 " 
>http://host/tv/recorded" "Mozilla/5.0 (Windows; U; Windows NT 5.1; 
>en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
><<----------------------------------Long wait 
>time------------------------------------------------------------>>
>
>192.168.1.99 - user [04/Mar/2010:11:43:08 -0800] "GET 
>/tv/flowplayer-3.1.1.swf?0.02433572888925295 HTTP/1.1" 200 105958 " 
>http://host/tv/detail/2009/1267657200" "Mozilla/5.0 (Windows; U; 
>Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 
>(.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:43:08 -0800] "GET 
>/tv/flowplayer-3.1.1.swf?0.02433572888925295 HTTP/1.1" 200 105958 " 
>http://host/tv/detail/2009/1267657200" "Mozilla/5.0 (Windows; U; 
>Windows NT 5.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 
>(.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:43:08 -0800] "GET 
>/tv/flowplayer.controls-3.1.1.swf HTTP/1.1" 200 25966 "-" 
>"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.8) 
>Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>192.168.1.99 - user [04/Mar/2010:11:43:09 -0800] "GET 
>/tv/get_pixmap/HOST.DOMAIN.COM/2009/1267657200/320/240/64/2009_20100303150000.mpg.320x240x64.png 
>HTTP/1.1" 200 88309 "-" "Mozilla/5.0 (Windows; U; Windows NT 5.1; 
>en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 2.0.50727)"
>
>[root at DIGIT mythtv]#

Anyone have any ideas why flowplayer (the flash player server) takes 
between 3-6 minutes to load on Mythweb?

-- Mache
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