YARN NodeManager Failed to Start

I upgraded my CDH, one of my NodeNamager cannot be brought up. NullPointer Exceptions were found in error log:

I tried deleting all ZooKeeper-related configs(which you can find it from Manually Upgrade CDH 5.2 in CM 5, exact the YARN part), not working. Deleted the NodeManager instance and then reinstall, same. Many ‘Recovering application’ … Continue reading “YARN NodeManager Failed to Start”

Shark 0.9.1 Snapshot Working with CDH 4.6.0 Now

The Shark 0.9.x(0.9.0, 0.9.1) are still pre-release: https://github.com/amplab/shark/releases Previously supplied 0.9.0 Prebuild with Hadoop2, CDH4.5.0: shark-0.9.0-hadoop2-bin is not really working with CDH 4.5.0, so I tried to compile Build Shark 0.9 for CDH 4, Install Spark/Shark on CDH 4 Some days later, 0.9.1 is out at the https://github.com/amplab/shark/tree/branch-0.9, the patched hive is uploaded to maven … Continue reading “Shark 0.9.1 Snapshot Working with CDH 4.6.0 Now”