AI Briefing#kakao
The latest AI and developer news about #kakao, with the original source and a short summary.
The latest AI and developer news about #kakao, with the original source and a short summary.
Analyzed the elevator control system implementation problem and various optimization strategies used by candidates.
Keynote and 27 session videos are available on the if kakao dev 2018 channel on KakaoTV.
Solutions and pass rates were released for key problems in the 2019 Kakao New Graduate Recruitment First Coding Test, including Open Chat Room, Failure Rate, Matching Score, and Block Game.
The highest score in the finals was 6 problems solved out of 8, with prizes and certificates awarded to the top 31 participants.
Five Kakao affiliates are participating in a recruitment process that evaluates candidates solely on coding ability, disregarding traditional qualifications.
Out of over 6,000 participants in the preliminary round, 64 advanced to the finals, with detailed algorithmic solutions for six problems released.
Correct answer rates for the five questions ranged from 34% to 92%, while the written exam assessed English document comprehension and fundamental CS concepts.
Kakao released the problem intent and solutions for the second round of its new graduate coding test, where scores varied significantly based on parallelism, batching, and exception handling, with a passing score of 80,000 points.
Kakao's in-house developed Wcache achieves hundreds of thousands of TPS and a cache hit rate of over 95% with its SSD-HDD dual-layer architecture.
Applying Bloom Filters improved response speeds by 2–5x, while separating read/write locks eliminated bottlenecks.
Candidates pass by solving at least 4 out of 7 problems, with JavaScript users having the lowest pass rate.
Detailed request and response information can be queried instantly via the built-in H2 DB and SQL interface.
The top scorer solved 6 out of 8 final problems, with prizes awarded to the top 21 participants.
Evaluation is based solely on coding ability, with final successful candidates announced in December and onboarding scheduled for January next year.
In the results of the Kakao Code Festival online qualifiers, the top 153 participants who solved at least 3 problems will advance to the finals on September 9.
Kakao has released 'CMUX', an open-source CLI tool for managing Hadoop clusters based on Cloudera Manager.
Daum Movies shared its experience of adopting RxJS 4 during its 2016 revamp to resolve callback hell and manage asynchronous event flows in search autocomplete, arrow key controls, and rating list loading.
It is a service that reduces the burden of Kubernetes installation and operations while automating deployment and rollback through GitHub integration.
An integrated system that manages tens of thousands of servers and hundreds of gigabytes of logs daily in real time while supporting resource efficiency.
On Day 1, the random strategy achieved a complete victory, while on Day 2, an isolated process approach was introduced to block abuse.
A 30-page guide based on Key-Value store development experience covers SSD internal structures and optimal access patterns.
It presents a strategy for scaling shards up or down without real-time data conflicts by running Binlog and Table Crawler in parallel, and shares a data verification approach based on full scans.
It supports everything from MySQL data collection to loading into other DBs, while the custom handler for shard redistribution is currently in the verification stage.
It covers major development trends and statistical information, including the release of Node.js 6 and the open-sourcing of React Native.