This document summarizes a microservices meetup hosted by @mosa_siru. Key points include:
1. @mosa_siru is an engineer at DeNA and CTO of Gunosy.
2. The meetup covered Gunosy's architecture with over 45 GitHub repositories, 30 stacks, 10 Go APIs, and 10 Python batch processes using AWS services like Kinesis, Lambda, SQS and API Gateway.
3. Challenges discussed were managing 30 microservices, ensuring API latency below 50ms across availability zones, and handling 10 requests per second with nginx load balancing across 20 servers.
This document summarizes a microservices meetup hosted by @mosa_siru. Key points include:
1. @mosa_siru is an engineer at DeNA and CTO of Gunosy.
2. The meetup covered Gunosy's architecture with over 45 GitHub repositories, 30 stacks, 10 Go APIs, and 10 Python batch processes using AWS services like Kinesis, Lambda, SQS and API Gateway.
3. Challenges discussed were managing 30 microservices, ensuring API latency below 50ms across availability zones, and handling 10 requests per second with nginx load balancing across 20 servers.
CKAN is an open source data portal platform that is widely used around the world. It provides features like publishing and managing datasets and metadata, powerful search and API access, support for standards like DCAT, and extensive customization options. CKAN is developed by the Open Knowledge Foundation and a team of developers, with deployments in governments and organizations to make their data accessible and usable.
The document appears to be confidential slides or presentation materials that belong to ANNAI Inc. It discusses community marketing kickoff events and includes sections on community members, executives, and hosts. Various statistics are presented, such as the number of community groups and account registrations in different countries. The entire document repeatedly states that the material is confidential and the property of ANNAI Inc.
- The document describes Yoichi Kayama's work extending spatial data functionality to the CKAN open data platform to support the Japanese government's open data and spatial information initiatives.
- Key extensions to CKAN implemented include improving the spatial resource preview function, adding spatial data processing tools using GDAL/OGR, overlay mapping of multiple spatial resources, and enabling purchase of spatial data products from private companies through the system.
- Future plans include public launch of the system in November along with incorporating paid data from private sector vendors.
This document discusses the speaker's experience working for Code for Japan from 2015 to 2017. It notes that the speaker has been involved in IT since 2015 and helped launch an IT startup in 2015. It also mentions that the speaker has collaborated with Code for America and Code for Japan on various civic technology projects since 2014.
The document discusses database indexing and optimization. It explains the concepts of primary keys, covering indexes, and read/write operations. It also provides examples of using indexes to optimize queries and discusses how MySQL handles read and write operations through its binary log and relay log.
Social Web Japan Vol.3 "Social Application and their support services"Naoyuki Yamada
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Social games are designed to be played together with friends according to Kristian Segerstrale of Playfish. These games allow people to play collaboratively or competitively with their friends. The key aspect is that social games are meant to be played socially with other people rather than solely by oneself.
IoT Devices Compliant with JC-STAR Using Linux as a Container OSTomohiro Saneyoshi
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Security requirements for IoT devices are becoming more defined, as seen with the EU Cyber Resilience Act and Japan’s JC-STAR.
It's common for IoT devices to run Linux as their operating system. However, adopting general-purpose Linux distributions like Ubuntu or Debian, or Yocto-based Linux, presents certain difficulties. This article outlines those difficulties.
It also, it highlights the security benefits of using a Linux-based container OS and explains how to adopt it with JC-STAR, using the "Armadillo Base OS" as an example.
Feb.25.2025@JAWS-UG IoT