From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Greg Stark <stark(at)mit(dot)edu> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Andres Freund <andres(at)2ndquadrant(dot)com> |
Subject: | Re: Recovery inconsistencies, standby much larger than primary |
Date: | 2014-02-12 17:29:23 |
Message-ID: | 30168.1392226163@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Greg Stark <stark(at)mit(dot)edu> writes:
> So here's my attempt to rewrite this logic. I ended up refactoring a
> bit because I found it unnecessarily confusing having the mode
> branches in several places. I think it's much clearer just having two
> separate pieces of logic for RBM_NEW and the extension cases since all
> they have in common is the ReadBuffer call.
I don't like that at all. It's a lot of unnecessary churn in what is
indeed hard-to-test code, and personally I don't find it clearer.
Nor, if you're going to complain about the cost of smgrnblocks, does
it seem like a great idea to be doing that *twice* per page rather
than once.
How about the attached instead?
regards, tom lane
Attachment | Content-Type | Size |
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safer-extension.patch | text/x-diff | 1.3 KB |
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