@Override
  public String toString() {
    return "SamzaResourceStatus{" +
            "containerId='" + containerId + '\'' +
            ", diagnostics='" + diagnostics + '\'' +
            ", exitCode=" + exitCode +
            '}';
  }
Indicates a disk failure in the host the resource is on.
Currently these are modelled after Yarn, could evolve as we add integrations with
many cluster managers.
samza-core/src/main/java/org/apache/samza/clustermanager/SamzaResourceStatus.java