Re: Issues with Quorum Commit - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Issues with Quorum Commit
Date
Msg-id 22421.1286548695@sss.pgh.pa.us
Whole thread Raw
In response to Re: Issues with Quorum Commit  (Markus Wanner <markus@bluegap.ch>)
Responses Re: Issues with Quorum Commit
List pgsql-hackers
Markus Wanner <markus@bluegap.ch> writes:
> On 10/08/2010 04:11 PM, Tom Lane wrote:
>> Actually, #2 seems rather difficult even if you want it.  Presumably
>> you'd like to keep that state in reliable storage, so it survives master
>> crashes.  But how you gonna commit a change to that state, if you just
>> lost every standby (suppose master's ethernet cable got unplugged)?

> IIUC you seem to assume that the master node keeps its master role. But
> users who value availability a lot certainly want automatic fail-over,

Huh?  Surely loss of the slaves shouldn't force a failover.  Maybe the
slaves really are all dead.
        regards, tom lane


pgsql-hackers by date:

Previous
From: vamsi krishna
Date:
Subject: Total memory allocated to postgres
Next
From: Markus Wanner
Date:
Subject: Re: Issues with Quorum Commit