AI BriefingKakao news
The latest AI and developer news from Kakao, with short summaries.
Visit website →Core of Kubernetes Zero-Downtime Deployment from Kakao DKOS Operations Team: Graceful Shutdown and Option Configuration
Based on Kakao DKOS operational experience, this article introduces how to implement Graceful Shutdown and configure key options such as maxSurge, readinessProbe, and preStop Hook to prevent traffic loss (502 errors) during Kubernetes deployments.
Kakao Launches Machine Learning Competition Platform 'Kakao Arena'... Releases 10 Million Data Points
The first competition involves shopping mall product classification, releasing approximately 10 million real data points and over 4,000 category data entries.
Kakao Open-Sources CNN-Based Korean Morphological Analyzer 'khaiii'
Achieves an F1 score of 97.11 with a CNN model based on the Sejong Corpus, offering fast performance without GPU requirements via C++ implementation
Kakao Releases Explanations for 2019 Blind Open Recruitment Second Coding Test Problems
Analyzed the elevator control system implementation problem and various optimization strategies used by candidates.
Kakao Releases All Session Videos from if kakao 2018 Developer Conference
Keynote and 27 session videos are available on the if kakao dev 2018 channel on KakaoTV.
Explanation of the 2019 Kakao New Graduate Recruitment First Coding Test Problems
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.
Kakao Code Festival 2018 Finals: Top Score of 6 Problems Solved Out of 8
The highest score in the finals was 6 problems solved out of 8, with prizes and certificates awarded to the top 31 participants.
Kakao Launches 2019 Blind New Graduate Developer Recruitment
Five Kakao affiliates are participating in a recruitment process that evaluates candidates solely on coding ability, disregarding traditional qualifications.
Kakao Code Festival 2018 Preliminary Round Problem Explanations and Results Released
Out of over 6,000 participants in the preliminary round, 64 advanced to the finals, with detailed algorithmic solutions for six problems released.
MySQL 8.0 Introduces Descending Index: Analysis of InnoDB Backward Scan Performance Degradation
Due to page locking structures and unidirectional Linked Lists during Backward Scans, performance differences of up to 44% occur.
Creating Hot Streams with ConnectableFlux in Reactor and Controlling Threads with publishOn
This article introduces a pattern for converting Cold streams to Hot using ConnectableFlux in Reactor, and controlling thread switching for branched operators using publishOn instead of subscribeOn.
Overcoming NumPy Limitations: 25% Speedup for 200-Million-Element Array Operations with Cython Multithreading
Cython multithreading achieves a 25% performance improvement over single-threaded execution for 200-million-element array operations, highlighting the need to address vector loading bottlenecks.
Kakao Releases Solutions for Third Coding Test in New Graduate Recruitment
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 Releases Solutions for Second Round of New Graduate Coding Test: A Battle of Trade-offs in Parallelism, Batching, and Exception Handling
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: Evolution of the Architecture of Its In-House Distributed Web Cache 'Wcache'
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.
Kakao Restructures Distributed Web Cache Wcache Architecture… 3x Performance Boost for Identical Content Processing
Applying Bloom Filters improved response speeds by 2–5x, while separating read/write locks eliminated bottlenecks.
Kakao New Graduate Recruitment: First Coding Test Problem Solutions and Passing Criteria Revealed
Candidates pass by solving at least 4 out of 7 problems, with JavaScript users having the lowest pass rate.
Kakao Releases Open-Source HBase Network Packet Analysis Tool 'hbase-packet-inspector'
Detailed request and response information can be queried instantly via the built-in H2 DB and SQL interface.
Kakao Holds First Post-Merger Developer Contest Finals: 'Code Festival'
The top scorer solved 6 out of 8 final problems, with prizes awarded to the top 21 participants.
Parallel Processing with Scala Future's Eager Evaluation and Applicative Functor
This article introduces how to resolve bottlenecks in sequential calls and optimize parallel processing by leveraging Scala Future's eager evaluation characteristics and Applicative Functor.