ghiureai wrote:
> I'm reading PG 10 streaming replication manual, I would like to learn
> from your expertise if this type of replication will copy a bad
> segment/bit corrupt from master to slave host , will this possible to
> happened ?
Streaming replication happens on a physical level, so it does not pay
attention to logical consistency.
If the primary is suffering from data corruption, every data
modification containing that data corruption will be replicated.
> What are the most common issues you seeing when running streaming
> replication, any files/bits corruption ( from my understanding
> logical replication will replicate data corruption)where do you have to
> pay attention when setting up a new system like this ,
That question is too general...
Make sure that you are running the same operating system version on
(ideally) the same hardware on all machines.
Either set wal_keep_segments high enough or (more cumbersome, but
more reliable) configure WAL shipping as a fallback when the
standby has a longer down time.
Yours,
Laurenz Albe
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