34、Spark Standalone Cluster: Operation, Configuration, and Monitoring

Spark Standalone Cluster: Operation, Configuration, and Monitoring

1. Viewing Spark Processes

If you want to know which cluster processes have been started, you can use the JVM Process Status Tool ( jps command). The jps command outputs the Process IDs (PIDs) and names of JVM processes running on the machine. For example:

$ jps 
1696 CoarseGrainedExecutorBackend
403 Worker
1519 SparkSubmit
32655 Master
6080 DriverWrapper

Here is a table summarizing the different process names and their meanings:
| Process Name | Meaning |
| — | — |
| Master | Represents the master process in the standalone cluster |
| Worker | Represents the worker process |
| Dr