|From:||Simon Riggs <simon(at)2ndQuadrant(dot)com>|
|To:||Fujii Masao <masao(dot)fujii(at)gmail(dot)com>|
|Subject:||Re: formula about the number of WAL files|
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On Fri, 2010-10-15 at 19:44 +0900, Fujii Masao wrote:
> As the result of the above, the maximum number of WAL files in
> pg_xlog is
> (2 + checkpoint_completion_target) * checkpoint_segments + 1
> wal_keep_segments + checkpoint_segments + 1
> So the original description seems to be correct. Am I missing
After some thought, I agree.
> # My previous proposal is definitely wrong. Sorry for noise.
I'd say the definition of wal_keep_segments isn't good, which is what is
causing the problem here. Will sort that out another day.
I will update the current code with some comments, so this doesn't
happen again. Will do this on Tuesday now, no time left here.
Simon Riggs www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Training and Services
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