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”

CDH 4 HA Related Problems

Problem I meet ‘Failed to initialize High Availability state in ZooKeeper. This might be because a ZNode for this nameservice is already created. Either remove the ZNode, or to reuse the ZNode skip this step and simply start the NameNodes and Failover Controllers. To retry, use the “Initialize High Availability state in ZooKeeper” command available … Continue reading “CDH 4 HA Related Problems”