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List:       mythtv-users
Subject:    Re: [mythtv-users] mythbackend hanging with thrashing disk
From:       Jeffrey Ratcliffe <jeffrey.ratcliffe () gmail ! com>
Date:       2016-08-25 17:22:58
Message-ID: CACg2wbxMEs4L2NM62fY31jeOm1qxjsg36pCcmk5m9JHjJYR52Q () mail ! gmail ! com
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Four months ago I said this:

> Thanks for all the suggestions on how to solve the problem with my
> disk thrashing problem.

> It hasn't happened for a week now, which makes me think that one of
> the three things I did has solved it:

> 1. I hadn't updated the default channel for each input (i.e. the
> default channel for live TV) after reordering the channels, and thus
> the default channels stored no longer existed. I corrected this.
> 2. I had a couple of channels which were encrypted. I hid them.
> 3. mysqltuner suggested that I optimise the tables due to
> fragmentation. I used mysqlcheck --auto-repair --optimize
> --all-databases

Those things might have been causing problems, but it turned out the
main problem was the scheduler.

When I went through the list of recordings and deleted references to
series whose recording rules I had long since deleted, or things like
news programs, the hanging and thrashing stopped.

Regards

Jeff
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