Peter, the intent is not to start every single service in the sandbox VM - it will get very memory-heavy quickly. I'm not even sure 8GB would be a comfortable setting. In addition, because it's a VM which will be suspended and resumed often, some services will complain and raise alerts due to a clock drift (e.g. HBase is notorious for that). All-in-all, that shouldn't be an issue. I would, however, check with core services states first. Is Ambari Metrics service running?
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