Re: How to find out about zlib compression

On Sun, Oct 22, 2006 at 09:55:23AM +0200, Thomas Pundt wrote:
> On Sunday 22 October 2006 09:43, Low Kian Seong wrote:
> | It says in the postgresql 8 documentation :
> |
> | "If PostgreSQL was built on a system with the zlib compression library
> | installed, the custom dump format will compress data as it writes it to the
> | output file"
> |
> | My question, if we are using binaries on a rpm based system and without
> | looking at the src.rpm is there a way to query the postgresql server to
> | find out whether it was built against the zlib compression library ?
>
> ldd /path/to/your/bin/postgres | grep libz

You should be checking the libraries used by pg_dump, not postgres.

It's pg_dump that does the compression, the actual server does not use
an external compression library (directly anyway).

Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.