Shulou(Shulou.com)06/01 Report--

1 main responsibilities

1. Responsible for the construction of database high availability system, pursuing 100% continuous service availability and second fault recovery ability.

two。 Responsible for database cost optimization, through new technologies, new products, new solutions to optimize the performance of the system.

3. Responsible for the construction of database-related process platforms and tools, and continuously improve the efficiency of business R & D and system maintenance.

4. Responsible for database architecture design, work with R & D team to design data architecture from the perspective of high availability, high performance and capital loss prevention.

5. Responsible for the company's major business activities (such as double 11 / double 12) database protection, committed to making users feel silky and smooth.

6. Responsible for the exploration and landing of new database technologies, such as storage and computing separation, database containerization, etc.

Second, recruitment level: P6/P7/P8/P9

Three job requirements:

1. Proficient in ACID, paradigm design, index design and other basic theoretical knowledge of relational database, familiar with 2pc, paxos, base, cap and other basic theoretical knowledge of distributed database.

two。 Proficient in MySQL, Oracle and other mainstream database architecture and operating mechanism, understand the mainstream distributed database (Spanner/Cassandra, etc.), have an in-depth understanding of the advantages and disadvantages of each database and applicable scenarios, and be able to carry out database selection and model design according to specific scenarios.

3. Familiar with the Linux/Unix operating system, proficient in Java/Python/Perl/Golang and other languages, you can write programs to solve the problems encountered in the work, with a good programming style.

4. Proficient in database performance optimization skills, be able to locate performance bottlenecks (network, CPU, IO, operating system, etc.) on the full link, and solve problems.

5. More than 3 years working experience in project requirements analysis and solution architecture design, experience in large-scale industry application architecture and strong customer demand research and demand analysis ability is preferred.

5. Have passion and pursuit for technology, especially storage technology, willing to continue to invest youth and energy in the database field, eager for breakthroughs and challenges.

6. Good teamwork ability, overall vision, strong ability to work under pressure and positive attitude.

7. Good communication skills, excellent documentation skills, use words and diagrams to clearly express architectural intentions, and be proficient in writing all kinds of technical documents.

Four contacts

Weibo data block

Mailbox: xiaojun.lxj@alibaba-inc.com

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