[mythtv-commits] Ticket #2242: Recordings not being deleted fast enough

MythTV mythtv at cvs.mythtv.org
Thu Aug 24 22:42:38 UTC 2006


#2242: Recordings not being deleted fast enough
------------------------------------------------+---------------------------
 Reporter:  Martin Ebourne <martin at zepler.org>  |       Owner:  ijr 
     Type:  defect                              |      Status:  new 
 Priority:  minor                               |   Milestone:      
Component:  mythtv                              |     Version:  head
 Severity:  medium                              |  
------------------------------------------------+---------------------------
 I noticed my recordings partition was nearly full so deleted several shows
 to make some space. It appears the new gradual file truncation code is too
 gradual because it's not deleting them fast enough.

 I have one DVB channel currently recording. Originally the free space
 looked like this:
                       150G  144G  6.1G  96% /mnt/recording
 So I deleted several shows as per this (output from lsof):
 {{{
 mythbacke 25571    mythtv   23w      REG              253,2  5399902004
 67259165 /srv/media/recording/1030_20060823192900.mpg (deleted)
 mythbacke 25571    mythtv   54w      REG              253,2  1544553292
 67109020 /srv/media/recording/1012_20060526205900.mpg (deleted)
 mythbacke 25571    mythtv   55w      REG              253,2  1786772492
 67109041 /srv/media/recording/1012_20060616205900.mpg (deleted)
 mythbacke 25571    mythtv   56w      REG              253,2  1793806700
 67110461 /srv/media/recording/1012_20060707205900.mpg (deleted)
 mythbacke 25571    mythtv   57w      REG              253,2 21568151552
 67259106 /srv/media/recording/1001_20060819182900.mpg (deleted)
 }}}
 Over half an hour later and the free space looks like this:
                       150G  146G  4.3G  98% /mnt/recording

 Looking at the r10235 commit I can see that it is supposed to delete
 faster than the calculated recording rate but this is clearly not working.
 My disk is gradually filling up and soon it will die.

 Unfortunately I have no useful log since I'm not running the backend with
 -v file although I will for next time (this happened once before but I
 couldn't log in and investigate). If I stop and restart with the verbose
 of course the files will delete immediately.

 The machine is backend only, there's plenty of free cpu and the filesystem
 is xfs so there's no reason for it not to keep up.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/2242>
MythTV <http://www.mythtv.org/>
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