Bruce Momjian wrote:
Michael Renner wrote:
Hi,
this is a small update to the first paragraph of the WAL configuration
chapter, going into more detail WRT redo vs. checkpoint records, since
the underlying behavior is currently only deducible from the source. I'm
not perfectly sure if I got everything right, so feel free to change as
necessary.
[..]
I read over you patch and I was afraid it was trying to put too much
information into a single paragraph, so I added a second paragraph that
just talks about checkpoint smoothing. I did not address the issue of
when the REDO WAL entry is written --- that is probably too much detail
for our documentation.
Too bad, understanding how this works is necessary to properly implement
more complex log shipping setups. Maybe /backend/access/transam/README
instead? Or specific "under the hood" paragraphs for selected areas of
the DBMS?
best regards,
Michael
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