KDC Kerberized Yarn Services Fail to Start on Isilon OneFS 8.0.1 with Ambari via WebHDFS curl calls

An issue has been seen when a KDC kerberized Hortonworks cluster attempts to start Yarn services or any other services that leverage WebHDFS to start with OneFS 8.0.1. The incorrect generation of the the krb5.conf can leave the file without a READ permission for the services handling WebHDFS calls and authentication cannot occur leading to […]

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Isilon HDFS and Rack Awareness for DataNode Connections

Wanted to clear up the implementation of racks with Isilon hdfs and providing rack awareness, using Isilon racks we can provide node location awareness to clients and within-switch datanode connections collocation. This gives you the capability to provide switch aware or top of rack functionality that emulates hdfs local storage implementations, where compute nodes attempt […]

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