Check out this post for loading data from MySQL to Ignite https://dzone.com/articles/apache-ignite-how-to-read-data-from-persistent-sto
and this one (recommended) on how to UPSERT to Phoenix on Ignite PUT... *delete, etc.* https://apacheignite.readme.io/docs/persistent-store#cachestore-example Just replace the MySQL things with Phoenix things (eg. the JDBC driver, INSERT to UPSERT, etc.). If after reading you still have issues, feel free ask in this thread for more help
