Re: FPW compression leaks information

On 04/09/2015 06:28 PM, Stephen Frost wrote:
> * Heikki Linnakangas (hlinnaka@iki.fi) wrote:
>> What should we do about this? Make it configurable on a per-table
>> basis? Disable FPW compression on system tables? Disable FPW on
>> tables you don't have SELECT access to? Add a warning to the docs?
>
> REVOKE EXECUTE ON FUNCTION pg_current_xlog_insert_location() FROM public;

Yeah, that's one option. Will also have to revoke access to 
pg_stat_replication and anything else that might indirectly give away 
the current WAL position.

- Heikki