
Druid is amazingly fast and has built-in connectors for most of the popular datasources .
It supports variety of dashboards which makes druid a perfect choice for any Real Time Streaming Application . Review collected by and hosted on G2.com.
Druid natively queries in Json format which is hard to pick up for a SQL user.
Rollover queries are not dynamic . Example - If you want to roll up for a specific time of one day to a specific time of another day , that might not be possible .
Web GUI is also not so user friendly for a business user .
Missing operations friendly cluster manager console.
Druid needs a dedicated server and cannot utilise existing Hadoop resources. Review collected by and hosted on G2.com.