Greetings, * Dave Cramer (davecramer@postgres.rocks) wrote: > One thing I can think of is upgrading. AFAIK dump and restore is the only > way to change the on disk format. > Presuming that eventually we will be forced to change the on disk format it > would be nice to be able to do so in a manner which does not force long > down times
There is an ongoing effort moving in this direction. The $subject isn't great, but this patch set (which we are currently working on updating...): https://commitfest.postgresql.org/43/3986/ attempts changing a lot of currently compile-time block-size pieces to be run-time which would open up the possibility to have a different page format for, eg, different tablespaces. Possibly even different block sizes. We'd certainly welcome discussion from others who are interested. Thanks, Stephen
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