Hi, On 2021-12-07 20:06:22 +0530, Bharath Rupireddy wrote: > One concern is that we don't want to increase the size of pg_controldata by > more than the typical block size (of 8K) to avoid any torn-writes.
The limit is 512 bytes (a disk sector), not 8K. There are plenty devices with 4K sectors as well, but I'm not aware of any with 8K. Greetings, Andres Freund
