[mythtv-users] Mythbackend causing high load
Mario Bernard
Mario.Bernhard at gmx.net
Sun Jul 2 09:01:34 UTC 2006
>How much free space do you have available on your ReiserFS partition?
>I discovered I need about 10% (30gb) free space on my 300gb drive to
>keep the problem from happening, recordings have been flawless since I
>discovered this.
I also use reiserfs and have this problem over one year. The 10% rule is also something I use. Also the newer mythtv code with livetv recording and the adaptions made to control the amount of recordingspace did not solve the problem. This problem is not ivtv related. Mythtv can not read as fast from ivtv, because it can not write fast enough, due to reiserfs problems. I do not know the 'automatic deleting recordings' code, but maybe there is something causing this behaviour.
two weeks ago I noticed that the diskspace for the recordings (118115226) don't count up to the diskspace used with df (153738176).
du -ks /mnt/store
du: cannot access `/mnt/store/1000_20060531084500.mpg': Permission denied
du: cannot access `/mnt/store/13_20060528024500.mpg': Permission denied
118115226 .
df -k /mnt/store
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hdb4 173825984 153738176 20087808 89% /mnt/store
The two reported permission denied problems were occasionally caused by deleting the recordings with >file, just to get as fast as possible free space.
I do not think the whole diskspace difference is caused by these two files. Missing is about 35 Gb. About 70 hours of recordings. These two recordings make up maybe 5 hours.
Please tell me if you also miss some Gb of space.
I will change to xfs of jfs next week.
regards
Mario
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----- Original Message -----
From: "Jeff" <jeff3140 at gmail.com>
To: "Discussion about mythtv" <mythtv-users at mythtv.org>
Sent: Sunday, 2. July 2006 03:06
Subject: Re: [mythtv-users] Mythbackend causing high load
On 6/28/06, Mike Benoit <ipso at snappymail.ca> wrote:
> How much free space do you have available on your ReiserFS partition?
>
> I discovered I need about 10% (30gb) free space on my 300gb drive to
> keep the problem from happening, recordings have been flawless since I
> discovered this.
>
I'll free up some space and see if I can make the problem stop. It had
gone away for a while but maybe that was because I cleaned a bunch of
stuff up. Currently mythbackend status reports:
* Total Space: 472,752 MB
* Space Used: 439,528 MB
* Space Free: 33,224 MB
and every recording sends mythbackend to 99% cpu time and the
recordings are useless.
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