Kevin Grittner wrote:
I omitted the code I was originally considering to have it work against
files "in place" rather than as a filter.  It seemed much simpler this
way, we didn't actually have a use case for the additional functionality,
and it seemed safer as a filter.  Thoughts?

A special "non-filter" mode could save some IO and diskspace by not actually writing all those zeros, but instead just seek to SizeOfWal-1 after writing the last valid byte, and writing one more zero. Of course, if you're gonna
compress the WAL anyway, there is no point...

greetings, Florian Pflug

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