You are relying on disk io for each update, which can easily be slower than a web request. Either that, or you aren't flushing to disk, which could mean data lo

You are relying on disk io for each update, which can easily be slower than a web request. Either that, or you aren't flushing to disk, which could mean data loss. Modern databases use a write-ahead log to store data that hasn't been flushed to disk yet. If you aren't doing that, you don't have a database, you have a cache.