For starters,
> ------------------------------------------------------------------------
>
> shared_buffers = 110592
> wal_buffers = 400
> sort_mem = 30720
> vacuum_mem = 10240
> checkpoint_segments = 30
> commit_delay = 5000
> commit_siblings = 100
> effective_cache_size = 201413
Try more like this:
shared_buffers = 30000
wal_buffers = <default>
sort_mem = 4096
vacuum_mem = 10240
checkpoint_segments = 30
commit_delay = <default>
commit_siblings = <default>
effective_cache_size = 100000
Chris
