AI BriefingKakao news
The latest AI and developer news from Kakao, with short summaries.
Visit website →Analysis and Solutions for Linux TCP TIME_WAIT and CLOSE_WAIT States
TIME_WAIT is hardcoded to 60 seconds in the kernel source and cannot be changed via tcp_fin_timeout, while CLOSE_WAIT requires an explicit close() call from the local application.
Kakao Releases First Week of April 2016 Tech Newsletter... In-Depth Analysis of npm Gate
Kakao Tech Blog released its weekly links newsletter for the first week of April 2016, featuring the npm gate and changes to the unpublish policy.
Performance Improvements and Caveats of MySQL InnoDB Adaptive Hash Index
Test results showed CPU usage dropping from 100% to 60% and throughput increasing from 20,000 to 37,000.
Kakao Releases Open-Source 'hbase-tools' to Improve HBase Cluster Operational Efficiency
Kakao has released 'hbase-tools', an open-source tool that automates metric monitoring, region management, and snapshot management for HBase clusters.
Implementing Redis HA Using DNS TTL 0 Configuration
This DNS TTL 0-based Redis HA approach restores connections by immediately switching the domain IP to a slave upon master failure.
Internal Mechanics of Redis SCAN and Analysis of Rehashing Scenarios
SCAN ensures consistent iteration during Rehashing by using reverse-bit increment on the Cursor and traversing dual hash tables.
Kakao Open-Sources 'HBase Region Inspector' for Visualizing HBase Region Distribution
Kakao has released 'HBase Region Inspector', an open-source tool that visualizes region distribution and request status in HBase clusters.
Plugin 'vim-github-dashboard' for viewing GitHub dashboards and activity in Vim
View GitHub dashboards and specific repository activity logs directly from the Vim terminal without a browser.
Learning Monad Concepts and Async Programming Transition with Scala Future
This tutorial explains the Monad concepts of unit and bind(flatMap) through practical examples by walking through a 5-step process of transitioning from Blocking I/O to Non-Blocking I/O using Scala's Future.
Kakao Open-Sources 'MRTE' for Reproducing MySQL Traffic
The tool operates stably with 2-3% CPU usage in a 30,000 QPS environment and its source code is available on GitHub.
KakaoStory Team Shares Code Review Implementation Experience and Bottleneck Resolution Case Study
The KakaoStory web client team shared their experience in resolving bottlenecks during the adoption of code reviews by implementing a review master, preview server, and convention automation.
Kakao Open-Sources 'S2Graph', a Large-Scale Distributed Graph Database
This technology processes 200 million users and 10 billion relationship data points via real-time breadth-first search.
Kakao Reveals Solution for Traffic Inflow Issues Caused by L4 Device Session Table Retention During Deployment
To resolve traffic inflow issues during deployment caused by L4 device session table retention, a procedure was presented that involves waiting for HealthCheck failure before stopping the web server process to clear sessions.
Kakao Reduces Global POP Costs and Ensures High Availability with Anycast Technology
Leveraged the Quagga open source to enhance the stability of DNS and Contents Cache services without dedicated hardware.
Kakao Reveals DSCP-Based L3DSR Load Balancing Configuration for Multi-IDC Environments
It introduced DSCP-based configuration and health check methods to overcome the physical limitations of L2DSR and enable load balancing across different IDCs.