Обсуждение: WAL log compatibility between 9.1 and 9.3

Andy Lau wrote:
> I'm upgrading my PostgreSQL 9.1.14 system to 9.3.5 and was wondering if WAL files are compatible
> between the two versions. I have WAL logs in AWS S3 and want to know if I need to separate the
> existing logs from the new logs after the upgrade.

WAL is not compatible between different major versions.

It is a good idea to separate WAL archives from before and after the upgrade.

Yours,
Laurenz Albe

no，they are not compatible.

thanks

jov