Any suggestions of tools for redis or other databases to keep state in the database synced with another system? For example we have a service that writes that

Any suggestions of tools for redis or other databases to keep state in the database synced with another system? For example we have a service that writes that continuously does circular writes to a redis database to keep 200 megs up to date for other services to read from. A lot of time is taken recalculating the data being updated. But its the best way we've found to eventually update even when things are going wrong.