Re: Inconsistent DB data in Streaming Replication

Samrat Revagade <revagade(dot)samrat(at)gmail(dot)com> writes:
> We have been trying to figure out possible solutions to the following
> problem in streaming replication Consider following scenario:

> If master receives commit command, it writes and flushes commit WAL records
> to the disk, It also writes and flushes data page related to this
> transaction.

> The master then sends WAL records to standby up to the commit WAL record.
> But before sending these records if failover happens then, old master is
> ahead of standby which is now the new master in terms of DB data leading
> to inconsistent data .

I don't exactly see the problem ... unless you're imagining that master
and slave share the same data storage or something like that. That's
not going to work for a ton of reasons besides this one.

regards, tom lane