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Re: Sync Rep v17

From: Daniel Farina <daniel(at)heroku(dot)com>
To: Greg Smith <greg(at)2ndquadrant(dot)com>
Cc: Tatsuo Ishii <ishii(at)postgresql(dot)org>, simon(at)2ndquadrant(dot)com, heikki(dot)linnakangas(at)enterprisedb(dot)com, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Sync Rep v17
Date: 2011-02-22 19:45:30
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Tue, Feb 22, 2011 at 5:04 AM, Greg Smith <greg(at)2ndquadrant(dot)com> wrote:
> Daniel Farina wrote:
>> As it will be somewhat hard to prove the durability guarantees of
>> commit without special heroics, unless someone can suggest a
>> mechanism.
> Could you introduce a hack creating deterministic server side crashes in
> order to test this out?  The simplest thing that comes to mind is a rule
> like "kick shared memory in the teeth to force a crash after every 100
> commits", then see if #100 shows up as expected.  Pick two different small
> numbers for the interval and you could probably put that on both sides to
> simulate all sorts of badness.

I probably could via function, would a kill -9 also be of interest to you?


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