Horton

Re: backend hangs at immediate shutdown (Re: Back-branch update releases coming in a couple weeks)

Andres Freund <andres@2ndquadrant.com>

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From: Andres Freund <andres@2ndquadrant.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Noah Misch <noah@leadboat.com>, MauMau <maumau307@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>, Peter Eisentraut <peter_e@gmx.net>, pgsql-hackers@postgreSQL.org
Date: 2013-06-22T17:49:22Z
Lists: pgsql-hackers 
On 2013-06-21 16:56:57 -0400, Alvaro Herrera wrote:
> > What we could do to improve the robustness a bit - at least on linux -
> > is to prctl(PR_SET_PDEATHSIG, SIGKILL) which would cause children to be
> > killed if the postmaster goes away...
> 
> This is an interesting idea (even if it has no relationship to the patch
> at hand).

Well, we could just set the deathsig to SIGKILL and exit normally -
which would be a twoliner or so.
Admittedly the cross-platform issue makes this approach not so great...

Greetings,

Andres Freund

-- 
 Andres Freund	                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

Commits

  1. Consistency check should compare last record replayed, not last record read.

  2. Update minimum recovery point on truncation.