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海外华人找工作难,难在哪?
版块: 海归归海
最近发表: besouth
06-18-2025, 12:52 AM
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» 人气: 73
美股跌到什么时候川普将被迫弃守贸易战
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03-14-2025, 09:49 PM
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DeepSeek的成功是中国教育的胜利吗
版块: 考试相关
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蛇年开局,亚股暴跌、美元飙升
版块: 股海弄潮
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02-03-2025, 08:48 AM
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英伟达平台上线DeepSeek
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DeepSeek 屠杀美科技股
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01-27-2025, 05:17 PM
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2025-01-27 英伟达、阿斯麦盘前均跌超8%
版块: 股海弄潮
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01-27-2025, 08:41 AM
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AMD宣布集成DeepSeek-V3到MI300X...
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公开刺肯案的动机
版块: 缘来如此
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01-26-2025, 10:18 AM
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美元下跌
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01-25-2025, 10:38 AM
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  二手房
发布: tary - 10-09-2024, 08:42 PM - 版块: 二手市场 - 回复数 (5)

楼市惊现大滑坡,百城房价集体跳水,深圳领跌!
8月份的房价数据出炉了,结果让人大跌眼镜。本以为政府的救市政策能让房价稳住,但数据显示,房价的下跌似乎还没见底。
先来看看租金情况。8月份,全国50个城市的住宅平均租金为36.2元/平方米/月,环比下跌了0.20%,同比下降了2.13%。租金下跌,可能是因为房子多了,但租房的人收入减少了。
在一线城市,除了上海和深圳租金下降不多,其他城市的租金都在下降。看来,靠一套房子养几代人的时代可能要结束了。
全球其他国家的租售比大概在3%左右,这是个合理的范围。如果租金回报不如银行利息,那钱自然会留在银行里。

再来看看二手房市场。8月份,百城二手房平均价格为14549元/平方米,环比下跌了0.71%,同比跌幅为6.89%。有些地方的房子,今年比去年下跌了10%到30%。
十年前,新房到手,一年左右就能赚钱。但现在,如果是二套房,扣完税费后,基本就是亏损的。
北京的二手房价格已经回到了2016年的水平,深圳的房价也回到了2018年。上海的二手住宅成交均价也跌回到了七年前。
现在,大家都在问:房价到底什么时候能跌到头?房价和普通商品一样,价格取决于供求关系。现在的新房都在以价换量,但库存太多,加上出生人口减少,00后的婚恋观改变,买房已经不是那么紧迫的事情了。

就拿身边的朋友来说,大部分人都在城里买了房。现在回老家,村里空荡荡的。
自己也是,看了20多个楼盘,总觉得房价还有得降,迟迟不敢入手。看多了之后,对房价涨跌就不那么关注了,最重要的是自己兜里的钱是否够得着。
数据显示,8月份,百强房企的销售金额环比降低了10%,同比下降了26.8%。无论是新房还是二手房,都没有止跌的迹象。
房价何时跌到头?没人能给出确切的答案。不过,有些城市的房价可能已经处于安全区域了,比如产业竞争力强、经济快速增长的县市,或者房价已经跌到“白菜价”的城市。

最后,你是愿意房价涨,还是愿意菜价涨?长沙8月的新房均价跌幅明显,而菜价却涨了50%以上。一涨一跌,值得深思。
我们都知道,房地产是国家的货币蓄水池。如果超发的货币不进房地产,就会流向其他地方,引发通货膨胀。你可以不买房子,但你不能不吃穿用。当吃穿用大幅上涨时,大多数人的生活将更加困难。
明白了这个道理后,你还希望房价下跌吗?

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  behavior question #2
发布: 000 - 10-08-2024, 11:34 PM - 版块: 面经分享 - 无回复

### **Behavioral Question:**
**"Tell me about a time when you had to debug a difficult technical issue. How did you diagnose the problem, and what steps did you take to resolve it?"**

### **Good Example Answer (with more details):**
"During a major system update for a high-traffic e-commerce platform, we experienced intermittent downtime that was difficult to reproduce. Users were encountering 500 internal server errors, but the logs didn’t show any obvious issues. Given the potential business impact, we needed a quick resolution.

My first step was to gather as much information as possible. I started by analyzing the logs more deeply and noticed a pattern: the errors only occurred during peak traffic hours. I suspected it could be a load-related issue, possibly tied to the database or a misconfigured service. To narrow it down, I enabled more detailed logging at key points in the request flow and set up performance monitoring to track the CPU, memory, and network usage in real-time.

I also added more robust exception handling to capture additional context on failing requests. As I monitored the system under load in a staging environment, I noticed that one of the API services had a memory leak, causing it to crash under heavy traffic. The root cause was an inefficient in-memory cache that wasn’t being cleared properly. I quickly fixed the caching mechanism, ran stress tests to ensure the problem was resolved, and redeployed the service.

The system stabilized, and we saw a 25% improvement in overall performance during peak hours due to the more efficient memory management. Throughout the process, I kept the team updated with my findings and made sure we documented the issue and the fix to prevent it from happening again. This taught me the importance of thorough diagnostics, using the right tools, and staying calm under pressure."

### **Why This Answer Works:**
- **Systematic Approach:** The candidate breaks down the issue step by step, starting with data collection (analyzing logs, adding monitoring), narrowing down possible causes, and then identifying the root cause.
- **Technical Depth:** Clearly explains the technical details of the issue (memory leak, in-memory cache problem) and the solution, showcasing strong problem-solving skills.
- **Use of Tools:** Mentions using logging, performance monitoring, and stress testing — all essential tools for diagnosing complex system issues.
- **Outcome and Impact:** Quantifies the result (25% performance improvement), showing the practical value of the solution beyond just fixing the bug.
- **Collaboration:** Emphasizes communication with the team throughout the process and documentation, showing awareness of best practices in team environments.
- **Learning:** Reflects on the lessons learned, indicating growth and adaptability.

---

### **What You Should Not Say:**

1. **"I spent a lot of time trying different things randomly until something worked."**
  - **Why Not:** This suggests a lack of structure and planning in your approach, which can come across as unorganized problem-solving.

2. **"I thought the issue was with one of the services, but I couldn’t figure it out, so I just restarted the servers and it went away."**
  - **Why Not:** While restarting a system might temporarily fix the problem, it doesn’t address the underlying issue, and this shows a lack of thoroughness.

3. **"I had no idea what was going wrong, so I escalated it to the senior engineer and let them handle it."**
  - **Why Not:** This reflects poorly on your ability to tackle challenges independently, especially if the expectation is for you to be able to debug complex issues on your own.

4. **"I didn’t have enough time to investigate deeply, so I rolled back the update and moved on to other things."**
  - **Why Not:** Avoids the issue rather than solving it. Rolling back can be a temporary solution, but it shows you weren’t able to get to the root cause, which is a critical skill in technical roles.

5. **"I didn’t really communicate with my team until after I found the solution."**
  - **Why Not:** Failing to keep the team informed can lead to misalignment, wasted efforts, or missed opportunities for collaboration. This suggests poor teamwork and communication.

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  Behavior question & answer example and what you should not say
发布: 000 - 10-08-2024, 11:01 PM - 版块: 面经分享 - 无回复

### **Behavioral Question:**
**"Describe a situation where you had to learn a new technology or tool to complete a project. How did you approach the learning process, and what was the outcome?"**

### **Good Example Answer:**
"In one of my previous projects, I was tasked with migrating our legacy system to a microservices architecture, but I had no prior experience with Docker and Kubernetes, which were crucial for containerizing and orchestrating the services. To get up to speed, I started by reading the official documentation, then followed a couple of hands-on tutorials to build small containerized applications. I also reached out to a colleague who had expertise in Kubernetes and scheduled regular catch-ups to go over challenges and best practices.

Once I felt comfortable with the basics, I set up a local environment to run some trial microservices using Docker. I encountered a few issues related to networking and scaling, so I joined an online community where I found solutions to some of my questions. I was able to successfully implement Docker for the new architecture and set up Kubernetes for orchestration. This led to a seamless migration with minimal downtime, and our team saw a 40% improvement in deployment speed due to the containerized architecture. The experience taught me the value of structured learning and seeking expert advice when adopting new technologies."

### **Why This Answer Works:**
- **Structured approach:** Describes a clear, step-by-step method to learning the new technology.
- **Proactive:** Reaches out to colleagues and the community for support.
- **Hands-on experience:** Applies the knowledge directly to the project to solidify learning.
- **Positive outcome:** Quantifies the benefits of the new technology, showing a strong impact on the project.
- **Problem-solving:** Mentions overcoming specific technical challenges, demonstrating resilience and resourcefulness.

---

### **What You Should Not Say:**

1. **"I didn’t have much time to learn the new technology, so I just Googled a few things and winged it."**
  - **Why Not:** This suggests a lack of thoroughness and preparation. Employers want to see that you invest effort in mastering new skills rather than taking shortcuts.

2. **"I found the new technology very confusing, and I ended up asking someone else to handle it."**
  - **Why Not:** Shows that you gave up or delegated the task without trying to learn. This reflects poorly on your ability to adapt to new challenges.

3. **"I didn’t really learn it. I just stuck with what I already knew and got the project done another way."**
  - **Why Not:** Avoids the question and suggests resistance to learning new things. For technical roles, adaptability and willingness to learn are key traits.

4. **"It was frustrating, and I wasn’t able to figure it out, so we postponed the project."**
  - **Why Not:** Indicates failure to meet project goals due to the inability to learn new skills. This reflects negatively on problem-solving and perseverance.

5. **"I learned it, but it took way longer than expected, and I didn’t communicate with my team during the process."**
  - **Why Not:** Fails to show good time management and communication skills, which are crucial when learning new tools under deadlines.

In technical interviews, it's essential to demonstrate initiative, persistence, and the ability to overcome challenges while learning new technologies. Avoid answers that suggest you gave up, relied too much on others, or did not approach the problem with a clear strategy.

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  中国股市
发布: tommy - 10-08-2024, 02:05 PM - 版块: 股海弄潮 - 回复数 (10)

A股的前途
目前中国人存款额高达140万亿,人均11万¥!
2023年中国的GDP也才=126万亿,人均8.8万¥!
但是有6亿人的账号里百元不到,还有上亿农民没有账号,不包括17岁以下的青少年,这是现状!
还有银行的朋友说:1.5%的中国人,占有85%¥的存款
但是,中国还有2.2亿人的股民,活跃的有五千万!股民的总存款额至少应该有24万亿¥!

十一节前最后一天的交易量超过了3万亿¥!
大国股市的境内市值(占总市值的70%)大概在70万亿¥!
美国股市的市值,在今年1月底时为51万亿$=360万亿¥,占世界股市的49%!

大陆股市一天上下浮动3万亿,也才4%,不多! (可以比较一下喜欢 上夯下跳、特斯拉老板美元计价的股票)
这次上头才印了5千亿¥,用了几天时间,就完善了史上最壮观的抛砖引玉!
存款搬家,厉害了我的歌!
就是钱不多的年轻股民,也可以上网贷几到几十万!(聪明人-不是贪心者),几天就可以还本得利,躺平一年可用,不是让你买车买房娶媳妇的!
猜一猜,2.2亿股民人数的增长率,会超过股市市值的暴涨率吗?

为什么?因为今年以来,金融界的反腐涉及了几千人,这让广大股民可以放心的进场去玩!
另外,还有8千万的空置房 X 40万成本价(也是农村盖房的成本价) = 32万亿就搞定了,相对于140万亿存款的22%!
就看ZF怎么去抛砖引玉了,光靠首付/利率 的双降,可能还玩不转!
老姚还是那句话:早干什么去了!

ZF投入的金融市场5千亿,早割回去,可以干别的用了!
这不,发改委又要投入12万亿,也还不到百姓存款的1/8,更是鼓舞股市的利好消息!
总之,新的印钞理论,是以老百姓的银行存款数额,作为虚拟印钞的抵押品!

境外的,好好跟着学着点吧!明年的诺贝尔金融经济大奖,应该留给华夏的金融大师!
再说银行的房贷降息,可以让现有5千万人房贷的账户,一年可节省1400亿的利息!
这也可以从各国企的股票抛售里,征得弥补银行的亏损!
现在股市里,都是各位的存款或贷款在互相割着玩!
小心境外的镰刀,被它们割的韭菜,每一纹,都是华夏老百姓存款的贡献!
这次ZF在金融股票市场动作的收益,可以让ZF不出一纹细银,就轻而易举地掏出老百姓的银行存款!天马行空,让ZF救水火于各界!
为什么?因为 赌,也是中华民族的传统美德之一!
这些,可都是老百姓几十年的辛苦积蓄!赌,你明白吗?
牢记: 史上甲股有一臭毛病:
冒出一只短命的母牛3-4个月,必然会踢出一头长命好几年的大熊来!

见好就收,这是老姚的忠告!
老问题:股票能生产出任何的社会价值吗?
有人说,赢家创收,都是从输家的口袋里掏出来的!
国家的GDP计算里,有没有加入股票每年市值变动的 +/- 呢?

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  换工作
发布: flow - 10-08-2024, 12:47 PM - 版块: 找工交流 - 回复数 (12)

被烙印扣了个大帽子,怎么解?
刚换了份工作,回到了干过7,8年的公司,不同的组。
头是年轻白人头,很nice。但是被分到一个老印lead的项目(烙印和头平级)。刚刚一个月,让烙印review 我的code(就改几行 configuration),他问了个问题我没答上来,他给我扣了个帽子:没有software engineer core concept,给了网上几本书,让我看书,不要deliver了,说他会跟我的头讲。还说看完书都不用knowledge transfer。

我跟我的头说了这件事。头问我觉得我是不是像他说的。我说我不认为他说的对。我觉的我有能力有信心把事情做好。头说我也可以换个项目。说他的工作是让每个人都找到适合自己的位子,都success。我说我不太想换,还想试试。我说让烙印决定。
还有就是烙印是另外一个组的,他们组的东西和我做的这个大部分是一样的,所以让他来lead这个项目。我有近20年工作经验,大公司。我其实也可以lead,只是刚进公司,这摊不熟。我跟头说等我上手后可不可以不要他,头说不要那么想,说他有经验,还需要他什么的。

大家能给点建议吗?如何去掉这顶帽子?要不要换项目?

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  膳食美容
发布: yuyu - 10-08-2024, 07:57 AM - 版块: 美妆护肤 - 无回复

食疗妆,膳食美容
不再吃胶原蛋白粉。昨天听了Dr. Dray的一个视频,分析了最近的一篇大的荟萃文献,总结下来,胶原蛋白粉可以被人体吸收,同时被送到需要的器官和组织,比如皮肤,关节,头皮。短期试验也说明, 胶原蛋白粉对增加皮肤的弹性,水份,减皱纹都有一定效果。同时比较安全。讲了半天,她自己最后说-“我不吃”。今天的我,懂了。我信,但我也不吃。我这阵子研究食疗,琢磨各种食物上的调整和搭配让皮肤从里到外在线!要求不高,不靠脸吃饭,只要每天自己看着欢喜,无虑镜,无美颜,不修图地自拍,每日一贴,健康老去,就很好。当然,爱美的路上,我这个老阿姨永远不会躺平,自卷不息。 2023的主要措施是:
–干果每天都吃,固定量, ¼ cup (2 oz)一小把那么多。我只吃生的干果,有机,无添加剂的。以前喜欢烤杏仁,后来学习到,烤的过程产生的糖化终极产物非常促炎,就停掉了。烤熟的非常干,吃的时候香,吃完就不舒服了。
–2021的一项皮肤科的试验里,参与者每天吃上面说的那么多的大杏仁,对比另外一组吃同样热量的其他零食,发现4个月以后,吃杏仁的那组人的面部皱纹有所减轻。杏仁的好处太多了:高纤维,优质脂肪,可以降低坏的胆固醇,有饱腹感,比胶原蛋白粉好吃几百倍啊。我好几种干果备着,每日轮换,把自己当成国宝大熊猫那样精心“喂养”LOL.
–每日一个苹果,又增加了大量莓类水果。早上整颗的吃一些,晚上把莓类水果打成smoothie (思慕雪), 同时加1-2勺的苹果醋。这样不会很甜,苹果醋控糖能力很强。好几样高营养,高抗氧化的食材做成的美味,敞开肚子吃,这样的生活不要太美了。
–凡是劝你买营养品的,你就问问他/她,有什么数据能说明那些营养品比上面两种食品更抗炎,抗老化?健康路上一定要记着,学费可以交,但是拒绝智商税。
–介绍两个新词:Nutraceuticals and food-based cosmetics,现在网上都没有合适的翻译,我的翻译以后一定会成为网络新词:食疗妆,膳食美容。

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  雅诗兰黛
发布: dna - 10-08-2024, 07:13 AM - 版块: 美妆护肤 - 回复数 (6)

看雅诗兰黛有做优惠。这个只花$45就能拿的free gift 挺好。

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  Behavior questions & answers 集锦
发布: 000 - 10-07-2024, 11:50 PM - 版块: 面经分享 - 无回复

In technical interviews, behavioral questions are designed to assess how you handle challenges, communicate, work in a team, and adapt to different environments. Here are some common behavioral questions and example answers, particularly tailored for senior roles like an E6/E7 engineer, TPM, or PM at companies like Meta, Amazon, LinkedIn, or similar.

### 1. **Tell me about a time when you faced a significant challenge in a project. How did you handle it?**

**Example Answer:**
"In a recent project, we were migrating a legacy system to a cloud infrastructure under tight deadlines. Midway through, we discovered significant compatibility issues between our existing systems and the new cloud environment. This created unexpected delays, and the business stakeholders were concerned about missing critical deadlines.

To resolve this, I immediately called for an emergency meeting with the architecture and dev teams to brainstorm solutions. We quickly pivoted to a phased migration plan, which involved keeping parts of the legacy system operational while migrating non-critical components first. This allowed us to continue business operations while working on the more complex aspects of the migration. I also set up daily check-ins to ensure the project stayed on track. In the end, we completed the migration with only minor delays, and the stakeholders were satisfied with the outcome."

### 2. **How do you prioritize tasks in a high-pressure situation when multiple stakeholders have competing demands?**

**Example Answer:**
"When multiple stakeholders come with competing demands, I prioritize tasks by focusing on the business impact, alignment with the company’s goals, and available resources. For instance, in a product launch project, the marketing team needed new features for the launch, while engineering identified critical performance issues that could potentially derail the release.

In this scenario, I gathered all stakeholders, reviewed the scope, and explained the trade-offs involved in delaying the feature for a more stable release. By providing data-driven insights, such as the potential cost of downtime, I was able to get consensus on delaying non-essential features and prioritizing system stability. I also proposed a post-launch sprint to tackle the lower-priority features. This approach helped us launch on time with a stable product, while addressing all stakeholder needs."

### 3. **Describe a time you had to influence or persuade someone who disagreed with your approach.**

**Example Answer:**
"In a previous role, I led a project where we needed to overhaul the backend system to improve scalability. One senior engineer on the team was very skeptical of the proposed solution, believing that it would introduce more complexity and risk without tangible benefits.

I scheduled a one-on-one meeting to understand his concerns in detail. After listening, I acknowledged the potential risks and proposed we run a proof of concept (PoC) to compare the performance of the new architecture against the old one. We worked together on the PoC, and the results showed a clear performance improvement. With data in hand, I was able to convince not only him but the rest of the team, and we moved forward with the architecture change successfully. Listening, collaborating, and using data were key to influencing him."

### 4. **Tell me about a time when you had to handle ambiguity in a project.**

**Example Answer:**
"In one project at my previous company, we were tasked with developing a new feature, but the product requirements were vague, and there was no clear guidance on how to implement it. Given the ambiguity, I took the initiative to organize a workshop with the product, design, and engineering teams.

We used this session to break down the problem, identify the key goals of the feature, and create user stories based on different potential user interactions. This iterative process helped clarify what was needed, and we developed a clear, phased approach to build the feature. Additionally, I ensured we set up regular feedback loops with the product team, so we could adjust as we moved forward. By embracing the ambiguity and involving key stakeholders early on, we were able to successfully deliver a feature that exceeded user expectations."

### 5. **Give an example of a time you had to manage a difficult team member.**

**Example Answer:**
"In a previous role, I had a team member who was extremely skilled technically but had difficulty collaborating with others. His unwillingness to share progress or participate in team discussions started to affect morale.

I scheduled a one-on-one conversation where I provided specific feedback on how his actions were impacting the team. Instead of focusing solely on the negative aspects, I also highlighted his technical strengths and how the team could benefit from his expertise if he collaborated more. I then worked with him to establish clear communication protocols and encouraged him to take ownership of certain technical aspects where he excelled. Over time, he became more engaged with the team, and the overall team dynamic improved."

### 6. **How do you handle failure? Can you give an example of a time when something didn’t go as planned?**

**Example Answer:**
"During one project, we were building an internal tool with an aggressive timeline. We underestimated the complexity of integrating with several legacy systems, which resulted in missing our first major deadline. The stakeholders were understandably frustrated.

After analyzing what went wrong, I took full ownership of the failure and organized a post-mortem with the team. We identified that the integration issues stemmed from insufficient testing and lack of clear communication between teams. As a result, I proposed a more granular testing approach and introduced a new cross-functional weekly sync to ensure better coordination. We reset expectations with stakeholders, and the tool was eventually delivered successfully. This experience taught me the importance of over-communicating when dealing with complex integrations."

### 7. **How do you ensure that your team stays motivated and productive during long projects?**

**Example Answer:**
"During long projects, it’s crucial to keep the team motivated by breaking the project down into smaller milestones, celebrating wins along the way, and maintaining transparent communication. On one particularly long project, after a few months, the team started to show signs of fatigue.

To counter this, I introduced bi-weekly progress reviews where we celebrated completed milestones, no matter how small. I also encouraged open discussions about challenges, which allowed us to address potential blockers early. Additionally, I organized informal team-building activities to maintain a positive atmosphere. By recognizing achievements regularly and fostering a culture of support, we maintained momentum and delivered the project successfully."

### 8. **Describe a time when you had to adapt to a significant change mid-project.**

**Example Answer:**
"In the middle of a critical product development cycle, our leadership decided to pivot based on new market research, and we were asked to shift focus toward a different customer segment. This required significant changes to our feature set and timeline.

I quickly organized a meeting with the product team to re-prioritize the feature backlog and assess the impact of the changes on the timeline. We communicated the updated goals to the engineering team, adjusted our sprints, and reset expectations with stakeholders. By breaking down the new requirements into smaller, manageable tasks and ensuring everyone was aligned with the new direction, we adapted efficiently and were still able to deliver a high-quality product, albeit on a slightly extended timeline."

These example answers are adaptable for various roles like E6/E7 engineers, PMs, or TPMs, but the focus should always be on clear, concise communication, showcasing leadership, problem-solving skills, and alignment with the company’s culture.

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  meta E6
发布: 000 - 10-07-2024, 11:35 PM - 版块: 面经分享 - 无回复

在面试Meta的E6工程师岗位时,整个流程非常强调技术能力、系统设计经验以及跨团队合作的能力。**第一轮电话面试**是关于技术基础的考核,面试官首先问了我一个关于分布式系统的问题:“如何设计一个支持高并发和低延迟的系统?”我提出了基于微服务架构的解决方案,强调了如何通过负载均衡、分区数据库以及缓存来处理高并发,同时保证系统的可扩展性和稳定性。接着,面试官让我讨论如何处理数据一致性问题,我讲解了使用一致性哈希、分布式锁以及CAP理论来应对在一致性和可用性之间的权衡,详细讨论了我如何在过往项目中处理数据复制和冲突解决。

**第二轮电话面试**是关于算法和编程。面试官给我出了一道与二叉树相关的中等难度问题,要求我设计一个算法来遍历树并实现节点的特定操作。我选择了递归和迭代两种方案,逐步分析了它们的时间和空间复杂度,并在现场用Python实现了代码。面试官追问了如何优化算法的空间复杂度,我提出了尾递归优化的方案,并讨论了如何通过迭代减少递归带来的栈溢出风险。

**现场面试**共四轮,**第一轮**是系统设计。面试官让我设计一个能够支持全球数亿用户的内容分发平台。我提出了基于CDN(内容分发网络)的架构,结合边缘节点缓存和负载均衡,保证内容的快速响应和低延迟。接着,我讨论了如何处理用户请求高峰时的流量激增,提出了自动扩展的方案,并讨论了如何通过数据分片来优化数据库的查询性能。面试官进一步追问了如何确保系统的容错性,我介绍了跨区域冗余和数据备份机制,确保即使在某个区域发生故障时,系统也能够快速恢复并持续提供服务。

**第二轮**是深度技术讨论,重点关注项目经验。面试官问了我一个关于技术决策的实际场景:“当你遇到技术瓶颈时,如何与团队合作克服这些挑战?”我分享了一个我领导的跨团队项目,涉及数据库性能的优化。当遇到查询速度慢的问题时,我和架构师一起分析了数据库的索引和查询模式,最后通过重新设计索引结构和优化查询逻辑,显著提高了系统性能。面试官进一步询问了如何与产品团队沟通优先级和需求的变化,我提到了我如何通过数据驱动的决策,确保技术优化与业务目标保持一致。

**第三轮**是算法和数据结构的考察,面试官要求我解决一个复杂的图算法问题,涉及最短路径和动态权重。我选择了Dijkstra算法并结合优先队列进行了优化,分析了时间复杂度,并通过分治法减少计算量。面试官还询问了如何在大规模数据集上提高算法效率,我提出了分布式计算的方案,通过MapReduce和并行处理来应对大规模数据的挑战。

**第四轮**是团队合作和领导力的考察,面试官问了我在项目中如何管理冲突和调动团队积极性。我分享了一个我在紧急项目中担任技术负责人时的经历,当时项目进度遇到瓶颈,团队成员对技术实现方案产生了分歧。我通过组织技术讨论会,确保每个成员能够表达自己的观点,同时通过数据和实验来验证不同方案的可行性,最终达成了共识并成功完成项目。面试官进一步问了如何在高压环境中保持团队的效率和士气,我强调了正向反馈和透明沟通的重要性,以及如何设定明确的短期目标来帮助团队保持专注。

最后的**文化契合度**考察中,面试官问我如何适应快速变化的工作环境。我分享了自己在多个项目中应对快速需求变化的经验,特别是在敏捷开发中的应用。我解释了如何通过迭代开发和持续集成快速交付可用的产品,同时确保技术债务不会积累。我还谈到,在面对不确定性时,如何通过建立强有力的团队协作和明确的优先级管理,保持项目的稳定推进。

总的来说,Meta E6工程师的面试过程要求具备深厚的技术基础,尤其是在分布式系统和算法方面的能力,同时还要展示良好的领导力、跨团队合作经验以及与Meta快速执行文化的契合度。

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  meta E7 engineer
发布: 000 - 10-07-2024, 11:34 PM - 版块: 面经分享 - 无回复

在面试Meta的E7工程师岗位时,整个过程非常注重技术深度、系统设计能力以及解决复杂问题的经验。**第一轮电话面试**主要是技术基础的考察,面试官询问了我对分布式系统的理解,特别是如何设计一个大规模、高可用的系统。我分享了一个我参与过的微服务架构项目,解释了如何通过负载均衡、分区存储和缓存机制,确保系统的可扩展性和高性能。面试官接着深入询问了如何处理网络延迟和数据一致性的问题,我讲解了使用一致性哈希和CAP理论的实际应用,并结合具体场景讨论了如何在一致性和可用性之间找到平衡。

**第二轮电话面试**则着重于算法和编程。我被要求解决一个动态规划的算法问题,涉及优化一个复杂的成本函数。我迅速用Python编写了解决方案,并解释了我的思路,为什么选择动态规划而不是贪心算法。我还展示了如何通过减少空间复杂度来优化算法效率。面试官进一步询问了如何在实际系统中应用类似的优化技术,我分享了如何通过代码优化和性能分析工具(如Profiler)来提高大规模系统的效率。

**现场面试**共有五轮,涵盖了从系统设计到行为考察的多个方面。**第一轮**是系统设计,面试官让我设计一个支持数亿用户的消息系统。我首先提出了微服务架构方案,解释了如何利用Kafka等消息队列技术来处理高并发的实时消息传输。同时,我讨论了如何利用分布式数据库来保证消息的持久化和容灾。面试官追问了如何处理系统中的瓶颈和故障恢复,我提出了自动化扩展和数据冗余方案,确保系统在高负载下的稳定性和快速恢复能力。

**第二轮**是深度技术讨论,面试官让我详细讲述一个涉及多团队合作的大规模项目经验。我分享了一个跨部门的系统升级项目,涉及技术栈迁移和性能优化。我解释了如何通过与架构师和工程团队的密切合作,制定详细的技术路线图,并确保在不影响现有业务的情况下顺利完成迁移。面试官进一步询问了我在项目中的决策过程,比如如何应对技术难题和与团队的沟通协调。我强调了通过快速原型验证假设、定期技术评审和跨团队沟通来推动项目成功。

**第三轮**是算法和数据结构,面试官给了我一个图相关的问题,要求我设计一个最短路径的优化算法。我提出了Dijkstra算法,并讨论了如何在大规模数据集上通过分布式计算来加速处理。面试官接着问了如何处理内存限制和优化I/O性能的问题,我提出了内存映射技术和分布式存储解决方案,确保即使在数据量极大的情况下,系统依然可以高效运行。

**第四轮**是团队合作和领导力,面试官让我描述一个在紧张的项目时间表下领导团队的经验。我分享了一个在上线关键功能时遇到的挑战,谈到了如何通过清晰的目标设定、任务优先级管理,以及高效的跨部门协作,帮助团队克服困难,按时交付。我还提到了如何在高压环境下保持团队的士气和专注力,确保团队成员不被过度的压力影响产出。面试官还让我讲述如何应对团队内的技术争议,我解释了我通常会通过数据驱动的方式,让每个观点有依据,最终达成共识。

**第五轮**是文化契合度和软技能考察,面试官重点关注我如何在一个快速变化的环境中保持灵活性和创新性。他问了我在面对模糊需求时的处理方式,我分享了我在产品初期阶段,通过与产品经理和设计师紧密协作,快速定义MVP(最小可行产品)并进行快速迭代的经验。我强调了Meta的快速执行文化如何与我的工作方式契合,确保在推动创新的同时保持高质量的技术实现。

整体来看,Meta E7工程师的面试过程对技术深度、系统设计能力和团队合作的要求非常高,特别是在应对复杂问题和大规模系统时的经验至关重要。

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