On Thu, Jan 15, 2026 at 09:47:39AM +0800, lchch1990@sina.cn wrote:
>Hint bints can be set on a page, and we *have to* WAL log these pages
>so as pg_rewind can track the modified blocks, or we would corrupt a
>data folder after a rewind. See around this thread about the original
>description of the issue:
>https://www.postgresql.org/message-id/519E5493.5060800@vmware.com
Thanks I will read the thread.
>How is a method based on the tracking of transaction IDs and the
>modified blocks not going to be more costly than the current method
>where we are able to track the modified blocks directly in the WAL
>records?
My purpose is to remove the depend on wal_log_hints and data_checksums
for pg_rewind so we need to do more thing than currently.
The method to track transaction IDs is to solve some case which currently
pg_rewind can not handle.
--
Movead Li
