How can I troubleshoot my MapReduce jobs?
An example of an AI chatbot conversation about troubleshooting MapReduce jobs.
How can I troubleshoot my MapReduce jobs?
To troubleshoot MapReduce jobs, start by checking the job logs for errors. What specific issues are you facing?
I'm getting a 'Task failed' error, but I can't find the cause.
This error can occur due to various reasons. Check the input data format and ensure it's compatible with your job configuration.
I've verified the input data, but the job still fails. What else should I look at?
Next, examine the resource allocation. Ensure that your cluster has enough memory and CPU resources for the job.
How can I monitor resource usage during the job execution?
You can use tools like Hadoop's ResourceManager UI or command-line tools to monitor resource usage in real-time.
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