Hive and Windows Auth – the curse of the backslash

by dennyglee Categories: BigData · Tech Tips TuesdayTags: · Leave a comment

Captain Avery: Put down the sword. A sword could kill us all, girl. Amy:  Yeah. Thanks. That’s actually why I’m pointing it at you. — from “Doctor Who: The Curse of the Black Spot” Background Typically when you get Hive / Hadoop up and running, everything runs pretty smoothly especially if you use one of the demo VMs (e.g. I’m currently using the Cloudera QuickStart VM). But if you are in production and you want to secure login access to your environment, you may have Windows authentication turned on for access to one of the boxes on your Hadoop cluster…

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Quick Tech Tip: SETting Cloudera Hue Beeswax to create a compressed Hive table

by dennyglee Categories: BigDataTags: · · · · · Leave a comment

I’m currently playing with CDH 4.1 and was having fun with Hue – specifically Beeswax to execute Hive queries from a nice web UI. As noted in Hadoop compression codecs and optimizing Hive joins (and using compression to do it), using compression gives you more space and in many cases can improve query performance.  Yet to my dismay, when I tried to execute a bunch of SET statements, I ended up getting  the OK FAILED parse exception. Of course this is what happens when you haven’t played a particular tech in awhile and don’t bother to do tutorials!  On the…

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