[mythtv-commits] Ticket #2364: Increase sleep_time in truncate-delete patch to accomodate remote mounts

MythTV mythtv at cvs.mythtv.org
Wed Sep 13 21:24:17 UTC 2006


#2364: Increase sleep_time in truncate-delete patch to accomodate remote mounts
----------------------------+-----------------------------------------------
 Reporter:  ylee at pobox.com  |        Owner:  ijr 
     Type:  defect          |       Status:  new 
 Priority:  major           |    Milestone:      
Component:  mythtv          |      Version:  0.20
 Severity:  high            |   Resolution:      
----------------------------+-----------------------------------------------
Changes (by ylee at pobox.com):

  * priority:  minor => major
  * version:  head => 0.20
  * severity:  medium => high

Comment:

 I've had 0.20 running for a day and a half and here's what I've seen
 regarding the truncate deletions on my CIFS-mounted NAS:

 * Without 'mythbackend -v file', truncations don't happen at all. That is,
 files mythbackend tries to delete do get renamed to cifsxxxx (see
 http://www.gossamer-threads.com/lists/mythtv/commits/208981#208981) but
 never shrink in size.
 * With 'mythbackend -v file', I see the following:

 2006-09-13 14:05:45.948 About to unlink/delete file:
 '/misc/cube/mythtv/store/xyz.mpg'
 2006-09-13 14:05:46.925 About to delete file:
 /misc/cube/mythtv/store/xyz.mpg.png
 2006-09-13 14:05:51.085 AutoExpire: 1 file truncates are pending
 2006-09-13 14:05:51.085 Truncating '/misc/cube/mythtv/store/xyz.mpg' by
 4.00 MB every 500 milliseconds
 2006-09-13 14:05:51.086 Reschedule requested for id 0.
 2006-09-13 14:05:51.176 Event socket closed. No connection to the backend.

 Yes, '-v file' consistently crashes mythbackend.

 So, there appear to be two issues here:

 * The issue I discussed in my opening ticket regarding too-fast network
 deletion requests resulting in crashes. I think changing sleep_time to a
 larger value will indeed fix this.
 * A separate issue of truncations not proceeding at all (and mythbackend
 thus not crashing) when '-v file' isn't used.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/2364#comment:1>
MythTV <http://www.mythtv.org/>
MythTV


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