On Thu, Dec 2, 2021 at 07:19:50PM +0530, Dilip Kumar wrote: >From the patch:
> Currently, CREATE DATABASE forces a checkpoint, then copies all the files, > then forces another checkpoint. The comments in the createdb() function > explain the reasons for this. The attached patch fixes this problem by making > create database completely WAL logged so that we can avoid the checkpoints. > > This can also be useful for supporting the TDE. For example, if we need > different > encryption for the source and the target database then we can not re-encrypt > the > page data if we copy the whole directory. But with this patch, we are copying > page by page so we have an opportunity to re-encrypt the page before copying > that > to the target database. Uh, why is this true? Why can't we just copy the heap/index files 8k at a time and reencrypt them during the file copy, rather than using shared buffers? -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com If only the physical world exists, free will is an illusion.
