There’s a few different ways this could be done. I’ll demonstrate one possible way, using ExecuteSQL to connect to Impala via the JDBC driver. This assumes both Kerberos and TLS are in use. We are also using an internal PKI, so we have to provide custom CACerts via a truststore.… Continue Reading Connecting to a secure Impala via NiFi with TLS and Kerberos (and Hive2)

You should have root access to the CentOS host and a new target directory ready for the MariaDB data. For this guide, our new target directory is /data/database. First, stop MariaDB. systemctl stop mariadb Now, copy your existing database directory to the new location. By default, it is /var/lib/mysql. If… Continue Reading Moving the data dir of MariaDB on CentOS7/RHEL7