One of the parameters in the CodeIgniter database config is the following
['pconnect'] TRUE/FALSE - Whether to use a persistent connection
What do you recommend I set this to?
Is there a significant performance hit if I set it to FALSE?
What potential problems might arise from setting it to TRUE?
Just look up general best practices for persistent connections. My suggestions.
CONSIDER turning it on
Persistent connections can cause
If you think that connection latency is causing a problem, consider turning it on in your performance test system and measuring the impact.