The following bug has been logged online:
Bug reference: 3267
Logged by: Shyam Sunder Rai
Email address: ssrai(at)ismartpanache(dot)com
PostgreSQL version: GreenplumDB
Operating system: CentOS
Description: Relfilenode
Details:
I am using our database that is based on Postgres 8.1.6. and it even
supports clustering on linux machines. I am curious to know the relation
between "relfilenode" and Query Executor.