The scenario is that I have a MySQL DB on the server side, whose content is regularly updated/changed and I have 5-10 Linux clients... each of which would have a copy of the DB, and would need to have a significant portion of the DB in memory. I want to be able to get what version the client has, and then send the latest-updated data through a diff. Database entries may get added/removed/updated. I need to explore best possible ways of doing this, and I am looking for valuable suggestions.