On Tue, Sep 19, 2017 at 8:14 AM, David Steele <david@pgmasters.net> wrote:
> On 8/31/17 11:56 PM, Michael Paquier wrote:
>> Here is an updated patch with refreshed documentation, as a result of
>> 449338c which was discussed in thread
>> https://www.postgresql.org/message-id/d4d951b9-89c0-6bc1-b6ff-d0b2dd5a8966@pgmasters.net.
>> I am just outlining the fact that a backup history file gets created
>> on standbys and that it is archived.
>
> The patch looks good overall. It applies cleanly and passes all tests.
>
> One question. Do we want to create this file all the time (as written),
> or only when archive_mode = always?
>
> It appears that CleanupBackupHistory() will immediately remove the
> history file when archive_mode != always so it seems useless to write
> it. On the other hand the code is a bit simpler this way. Thoughts?
With archive_mode = off, the bytes of the backup history file are
still written to disk, so my take on the matter is to keep the code
simple.
--
Michael
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