You can use the COPY command with the ROWS_PER_TRANSACTION attribute to import large tables in smaller batches, reducing memory pressure and avoiding errors. YugabyteDB offers various migration options for zero-downtime migrations, including using Blitzz or Debezium, and utilizing tools like pg_dump/pg_restore and pgloader. Changing default ports can be done by adding flags to the configuration file, while Helm chart values can be modified to configure the cluster according to specific requirements. New documentation, blogs, tutorials, and videos have been added, including resources on creating a centralized consent database, getting started with DBeaver EE and Yugabyte Cloud Query Language, and running distributed SQL databases on Kubernetes. Upcoming events include certification training, DBA fundamentals training, and conferences like KubeCon + CloudNativeCon Europe 2021 Virtual. The documentation is continually updated to provide the necessary information for making the most out of YugabyteDB.