public static boolean isOverCapacity(Throwable e) {
    return e instanceof QueryConsistencyException ||
      e instanceof BusyConnectionException ||
      e instanceof RequestThrottlingException;
  }
Sets {@link zipkin2.storage.StorageComponent#isOverCapacity(java.lang.Throwable)}
zipkin-storage/cassandra/src/main/java/zipkin2/storage/cassandra/internal/call/ResultSetFutureCall.java