On 19 September 2017 at 00:33, David Steele <da...@pgmasters.net> wrote: > On 9/18/17 7:26 PM, Michael Paquier wrote: >> On Tue, Sep 19, 2017 at 8:14 AM, David Steele <da...@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-d0b2dd5a8...@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. > > I'm OK with that.
I'm not. If we want to do this why not only do it in the modes that have meaning? i.e. put an if() test in for archive_mode == always Which also makes it a smaller and clearer patch -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
