While I’m a big fan of CDH5 and Hue – sometimes I will see some funkiness that’s a tad irritating. Specifically, there is a database with a name similar to cloudera_manager_metastore_canary_test_db_hive_hivemetastore_$guid$_2014_10_06_11_20_41 Even more irritating there is a table called cm_test_table which cannot be deleted (or renamed or even described). hive> describe cm_test_table; FAILED: SemanticException [Error 10001]: Table not found cm_test_table hive> alter table cm_test_table RENAME to cm_test_table2; FAILED: SemanticException [Error 10001]: Table not found cm_test_table hive> drop table cm_test_table; FAILED: SemanticException [Error 10001]: Table not found cm_test_table To work around this problem, its a matter of using the CASCADE reference to…
Tag: cdh5
Build your own CDH5 QuickStart VM with Spark on CentOS
A great way to jump into CDH5 and Spark (with the latest version of Hue) is to build your own CDH5 setup on a VM. As of this writing, a CDH5 QuickStart VM is not available (though you can download the Cloudera QuickStart VM for CDH4.5). Below are the steps to build your own CDH5 / Spark setup on CentOS 6.5. Note, the installation of CDH5 through Cloudera Manager is actually quite straight forward. Instead, these instructions focus on the steps prior to installing Cloudera Manager 5 (and the express install of CDH5) to minimize the hiccups you may run…
