On Wed, Jul 3, 2024 at 1:07 PM Robert Haas <robertmh...@gmail.com> wrote: > I think the problem here is that the WAL summarizer believes that when > a new timeline appears, it should pick up from where the old timeline > ended. And here, that doesn't happen: the new timeline branches off > before the end of the old timeline, because of the recovery target. > > I'm not yet sure what should be done about this. The obvious answer is > "remove the assertion," and maybe that is all we need to do. However, > I'm not quite sure what the actual behavior will be if we just do > that, so I think more investigation is needed. I'll keep looking at > this, although given the US holiday I may not have results until next > week.
Here is a draft patch that attempts to fix this problem. I'm not certain that it's completely correct, but it does seem to fix the reported issue. -- Robert Haas EDB: http://www.enterprisedb.com
v1-0001-Fix-WAL-summarization-across-abrupt-timeline-swit.patch
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