drill

c69e44bd - DRILL-8130: Upgrade Hadoop 2 to 2.10.1 because of CVE-2020-9492 (#2458)

DRILL-8130: Upgrade Hadoop 2 to 2.10.1 because of CVE-2020-9492 (#2458) * Upgrade Hadoop 2 to 2.10.1 because of CVE-2020-9492. * Update JDBC jar size limit for Hadoop 2.10.1.