Google Maps JS API：更好地将数据存储在标记或JSON中？

I am visualizing some government data using Google Maps JS API. Currently every time the user changes a filter value it grabs the entirety of the JSON data again, filters it, and creates a marker for each row that passes the filter validation. This is slow because it's re-downloading the JSON every time you change the form the filters are located in.I am visualizing some government data using Goo