On Mon, Apr 28, 2014 at 6:54 AM, Tom Lane <t...@sss.pgh.pa.us> wrote:
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> Abhijit Menon-Sen <a...@2ndquadrant.com> writes: > > In the past, we've had situations where "everything is hung" turned out > > to be because of a script that ran manual VACUUM that was holding some > > lock. It's admittedly not a huge problem, but it might be useful if a > > manual VACUUM could be cancelled the way autovacuum can be. > > I think the real answer to that is "stop using manual VACUUM". > Autovac is also going to promote itself to uninterruptible once every 150e6 transactions (by the default settings). To stop using manual vacuums is not going to be a complete cure anyway. It would be nice to know why the scripts are doing the manual vacuum. Just out of mythology, or is there an identifiable reason? Cheers, Jeff
