This is a great overview. Some numbers from step 4 - size of data set, time to load index and space used on disk by that index+ES would be interesting to see. I

This is a great overview. Some numbers from step 4 - size of data set, time to load index and space used on disk by that index+ES would be interesting to see. I have a feeling for small datasets postgres/mongo even sqlites FTS would perform better.