Mi suitcases, thick sweaters, custom badges and spree collars for free? That's right! Q&A Officer's third performance tuning session is here

Introduction to uses fewer resources to provide better services and maximize cost benefits. This is our constant pursuit in our work. The performance tuning methods include space-for-time, time-for-space, and parallelism. What better solutions do you have?

Providing better services with fewer resources and maximizing cost benefits are our constant pursuit in our work. The performance tuning methods include space-for-time, time-for-space, and parallelism. What better solutions do you have?

Now as long as questions about performance tuning in Java and Linux or answers related questions , there is a chance to win the developer community exclusive gift package!

Please respect intellectual copyright when asking or answering questions. Once any violations such as plagiarism are found, delete and disqualify the event

Let’s look at the prize package first!

Note: The answer is only to answer questions that fit the subject after October 28th

The prize is very exciting, but I don’t know where to start. Let’s see if the following questions bring you inspiration.

Java performance tuning

1. order to simplify the burden of loading java programs and shorten the loading time, what aspects are singletons generally used for?
2. Why should we avoid random use of static variables in Java tuning?
3. Regarding java performance tuning, what are the commonly used methods?
4. Java performance tuning, why should we try to avoid creating too many Java objects?
5. What are the benefits of using final modifiers for the Java core API?
6. What are the benefits of using HashMap and ArrayList in multithreading without thread safety?
7. Java heap be allocated to achieve the best optimization?
8. What functions does Java have to improve algorithm efficiency?
9. Java tuning, premature optimization will take up a lot of time and make the code difficult to read and maintain. So how to prove that something needs to be optimized?
10. How to develop Java performance tuning standards?

linux performance tuning

1. What are the performance tuning commands in
2. How to check the reading speed of hdparm hardness in Linux system?
3. What are the techniques to improve the performance of Linux servers?
4. linux performance tuning, what are the benefits of adjusting the Linux kernel elevator algorithm for disk I/O?
5. What are the good methods for tuning the Linux disk subsystem?
6. How to improve the compilation speed of Linux Makefile?
7. How to optimize the performance of
8. What aspects are included in the
9. How should the tuning of the Linux file subsystem be done?
10. What are the common tools for monitoring memory in Linux?

Activity time

October 29th-November 7th

Prize mailing time

It will be mailed within 7 working days after the event ends, and holidays will be postponed.

Participation steps

Step 1: 1. Click: https://developer.aliyun.com/ask enter the Q&A section, after logging in successfully, click "I want to ask a question" to ask a question;

If you answer a question, you can search for keywords to find the question to answer;

Step 2: Submit your relevant information to facilitate statistics and gift delivery. (Submission address: https://yida.alibaba-inc.com/o/wdg )

Activity Q&A

Dingding scans the QR code below to join the Q&A official activity group and get first-hand information on the progress of the activity.

Activity Rules

1. For each participating user, the prize cannot be obtained repeatedly. If more than two conditions are met at the same time, the winner can choose the prize;

2. The question and answer must be conducted around the theme, and the total number of questions and answers shall be calculated according to the submission during the event;

3. Questions and answers must be in Chinese, English does not record data;

4. After the question or answer is released, it will enter the review state, and it can be viewed after the review is completed;

5. The user submits the personal link and prize-receiving address according to the rules during the activity period, which is deemed to have participated in the activity, and if it exceeds the submission time, it is deemed to have been abandoned;

6. Titles, black drafts, drafts, articles containing illegal or unlicensed commercial promotion, links to external sites, non-original content, marketing soft articles, and articles suspected of plagiarism will not be approved, and qualifications will be disqualified.

Cloud Developer Community Q&A Channel Cares and rewards everyone who loves technology and seeks the truth.

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