Get offline log of yarn-cluster jobs with Yarn API

Now we can only get stdout and stderr of Spark jobs but there are no stdout log in yarn-cluster mode.

The issue mentions missing stdout logs in yarn-cluster mode for Spark jobs. Look for Spark job submission and logging code, likely in the cluster management or job runner modules. Investigate how Yarn API can be used to retrieve offline logs. Check existing logging for stdout/stderr in other modes to understand the current implementation.

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