Sdairs

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  • NiFi in Production – Version Control & Deploy flows with NiFi Registry

    This post describes and demonstrates how to use NiFi and NiFi registry to develop flows in Dev, version control the flow, and then deploy the versioned flow to Prod.

    March 22, 2021
  • NiFi Resources For Learning & Improving

    It’s always a bit of a learning curve to get started with any new tool, not to mention keeping up to date with a tool that is under heavy active development. Here’s a list of invaluable resources to consult: NiFi Anti-Pattners by Mark Payne Mark Payne is the co-creator of NiFi and has a running […]

    November 23, 2020
  • Kafka with multiple Listeners and SASL

    This will quickly discuss how to configure multiple Listeners, with the intent of having a unique Listener for External/Client traffic and another for Internal/Inter-broker traffic (and how this can be done with Cloudera Manager which requires a slight work-around in the current versions pre-2021). There’s several valid use cases for multiple Listeners. In this case, […]

    November 7, 2020
  • Connecting to a secure Impala via NiFi with TLS and Kerberos (and Hive2)

    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.

    September 4, 2020
  • Moving the data dir of MariaDB on CentOS7/RHEL7

    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 it’s not there, check the […]

    September 4, 2020
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