Enabling Cloudera Manager Debug Mode

Kevin Feasel

2019-02-01

Hadoop

Guy Shilo has a quick tip around debugging in Cloudera Manager:

This is a short post but it can save you some wandering and searching.

Sometimes when you try to find and fix issues with Cloudera Manager you will want to increase the log level to debug so you can see what’s wrong.

The procedure cannot be found in the documentation (or at least cannot be found easily), so here how it’s done:

As you’d expect, going into debug mode generates a lot of data on a real cluster, so use sparingly.

Related Posts

Tips For Using PolyBase With Cloudera QuickStart VM

I have a post on using Cloudera’s QuickStart VM with PolyBase: Here’s something which tripped me up a little bit while connecting to Cloudera using SQL Server. The data node name, instead of being quickstart.cloudera like the host name, is actually localhost. You can change this in /etc/cloudera-scm-agent/config.ini. Because PolyBase needs to have direct access to the data nodes, […]

Read More

Bayesian Modeling Of Hardware Failure Rates

Sean Owen shows how you can use Bayesian statistical approaches with Spark Streaming, using the example of hard drive failure rates: This data doesn’t arrive all at once, in reality. It arrives in a stream, and so it’s natural to run these kind of queries continuously. This is simple with Apache Spark’s Structured Streaming, and proceeds […]

Read More

Categories

February 2019
MTWTFSS
« Jan  
 123
45678910
11121314151617
18192021222324
25262728