Linux
NoClassDefFoundError for Log4jLoggerFactory on hdp 2.5.3 when running the KafkaSpout in your topology? (how’s that for a title?)
Blog post added by Lester Martin Ephemeral Issue NOTE: This is a corner-case blog post and really only useful for those who find this entry from a very specific Google search!! Additionally, I’m filing a support case and expect the…
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opening up a port on centos 7 firewall (using firewalld)
Blog post edited by Lester Martin There I was on an AWS hosted node trying to access port 2181 and 9092 on another AWS node where I just followed the instructions at http://kafka.apache.org/documentation/#quickstart to get a stand-alone instance of Kafka…
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What Open Source Leadership Means for Customers
Users of Cloudera’s platform get all the expected benefits of open source. At the same time, they get others that only deep and wide community involvement can provide. Today, software for every layer of the enterprise stack is available under…
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Credit Cards and Big Data: The Challenge of PCI Compliance
As the requirements of an increasing variety of risk, conduct, transparency, and technology standards grow to exabyte scale, financial services firms and regulatory agencies are struggling with new compliance challenges, particularly as they relate to balancing data administration cost and…
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