PostgreSQL 9.4 Open Items
From PostgreSQL wiki
- Adjust error message about version incompatibility to say "9.3 or above"
-  Consider removing xloginsert_slots GUC
- Remove non-fast recovery code as it is no longer needed and cannot be accesssed
- Performance regression when using posix_fallocate on ext4 filesystems
- Revisit default of 4x shared buffers for effective_cache_size