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… Continue Reading NiFi Resources For Learning & Improving
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… Continue Reading Kafka with multiple Listeners and SASL
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)
The most important part of this entire architecture is the movement. It’s a streaming architecture, a streaming architecture implies that there is data in motion. I like this term a lot, ‘data in motion’. Catchy.
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
It’s 2020 and we’re creating more data than ever. We each use the internet, in some way or another, for almost eveything we do. Listening to music, reading a book, playing a game, managing our money, talking to our friends and family – these are all tasks that used to… Continue Reading Modern Streaming Architectures – Intro