Technology

A practical walkthrough for tuning Linux TCP/IP stack parameters, from selecting a congestion control algorithm to applying sysctl settings for high-throughput workloads.

A practical walkthrough for dumping Kafka topic data, including a generic consumer approach and a full Atlas-specific workflow covering JAAS configuration, Kerberos authentication, and log extraction.

A step-by-step guide to deploying a CFSSL-backed certificate authority with PostgreSQL storage, OCSP responder, and CRL distribution. Covers installation, CA initialization, service configuration, and Nginx reverse proxy setup.

A quick walkthrough of using the Ranger REST API to bulk-delete existing users, including how to capture an auth cookie and loop through a user list with curl.

Enable verbose Kerberos and token logging on Spark driver and executor nodes to capture the diagnostic data you need when authentication is failing. Covers log4j configuration files and the exact spark-submit flags to wire them in.

A quick reference for which JDK releases ship with Unlimited Strength JCE enabled by default, plus a small test program to verify your environment.