实测Hutool的雪花算法8G内存跑到7600万条OOM

public static void main(String[] args) {
        int i = 1000000;
        int i2 = 100;
        StopWatch watch = new StopWatch();
        watch.start();
        Set<Long> ids = new HashSet<>();
        for (int i21 = i2; i21 > 0; i21--) {
            for (int i1 = 0; i1 < i; i1++) {
                ids.add(IdUtil.getSnowflake().nextId());
            }
            System.out.println(ids.size());
        }
        watch.stop();
        System.out.println(watch.getLastTaskTimeMillis());
    }