[DISCUSS] MySQL version support policy

Hi, Spark community, I noticed that the Spark JDBC connector MySQL dialect is testing against the 8.3.0[1] now, a non-LTS version. MySQL changed the version policy recently[2], which is now very similar to the Java version policy. In short, 5.5, 5.6, 5.7, 8.0 is the LTS version, 8.1, 8.2, 8.3

Is one Spark partition mapped to one and only Spark Task ?

I am trying to understand the Spark Architecture for my upcoming certification, however there seems to be conflicting information available. https://stackoverflow.com/questions/47782099/what-is-the-relationship-between-tasks-and-partitions Does Spark assign a Spark partition to only a single