def METHOD_NAME():
    while True:
        # Primary wrote at random intervals up to 10 sec apart.
        # Time began at 0, oplog[0] is the first entry, oplog[-1] the latest.
        oplog = np.cumsum(np.random.rand(100) * IDLE_FREQ)
        # If we generated at least 2 minutes of oplog, return, else try again.
        if oplog[-1] >= 120:
            return oplog