active_record_postgresql_retry

This gem provides a patch that once included will retry the PostgreSQL operation in case the server has gone away

1. add it to your Gemfile
2. require 'activerecord_postgresql_retry' (after requiring activerecord)
3. declare the following environment variables
4. PG_SLEEP_RETRY, default 0.33 seconds
5. PG_QUERY_RETRY, default 0