For your information, I've attached the Ganglia monitoring screen capture on
the Stack Overflow question.
Please see:
http://stackoverflow.com/questions/24622108/apache-spark-the-number-of-cores
-vs-the-number-of-executors
From: innowireless TaeYun Kim [mailto:taeyun@innowireless.
Hi,
I'm trying to understand the relationship of the number of cores and the
number of executors when running a Spark job on YARN.
The test environment is as follows:
- # of data nodes: 3
- Data node machine spec:
- CPU: Core i7-4790 (# of cores: 4, # of threads: 8)
- RAM: 32GB (8GB
