Re: When pg_rewind success, the database can't startup

OK，the max_wal_size use the default value 1G, I try it later, and report the result to you, thanks.


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在 18/6/19 下午16:00，“Michael Paquier”<michael(at)paquier(dot)xyz> 写入:

On Tue, Jun 19, 2018 at 03:56:15PM +0800, hemin wrote:
> I do not checkpoint before running pg_rewind, because the checkpoint
> of rewound primary node is obviously slow than the promoted standby,
> But I will try it later.

You need to run the checkpoint on the promoted standby. That's actually
a critical thing to do to ensure consistency.. Of course this depends
on how you set max_wal_size.
--
Michael