Re: BUG #17143: when the CPU is different, the index on the primary is ok but the index on the standby is damaged

PG Bug reporting form <noreply@postgresql.org> writes:
> Hello, I have encountered a problem in building a primary and standby
> cluster using physical streaming replication on different CPU machines.
> We created the primary on the x86 machine, and created the standby on the
> arm machine.

You should not expect that to work.  Physical replication requires
identical hardware architectures, not to mention mostly-the-same
operating system software.  (The most usual gotcha for cross-system
replication is different locale sort orders.)

            regards, tom lane