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  1. CUBRID's Development Culture: The Development Process and Improvements Behind

    Written by Hyung-Gyu, Ryoo on 07/16/2021   Foreword Hello, I am Hyung-Gyu Ryoo, I am working in CUBRID as a research engineer in the R&D department. In this post, I would like to introduce the development process of the open source project CUBRID and the efforts we have made to improve the process.   It has been almost two and a half years since I joined CUBRID.  During this period, as many great fellow developers have joined the CUBRID community, the R&D department of CUBRID has grown from one small team to three developments teams along with a QA team.   After I participated in the first major version release (CUBRID 11), I was able to look back to the release process and improve the development process with my fellow developers.     The Development Process of the Open Source Data...
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  2. Contributing to Open Source Community/Project

      Written by Charis Chau on 06/23/2020      What is an open source project? To answer this, let us start with a burger! Imagine an open source project is a burger selling in a restaurant. Every day, the chef makes thousands of burgers that have the same quality by following the same recipe from the restaurant. One day, customer A comes to the burger place to try the burger, and he/she loves it! Therefore, customer A decides to ask the chef whether he/she can get the recipe. Here, if the restaurant is open source, they will be happy to share the recipe to customer A, vice versa.     After customer A gets the receipt, he/she decide to make the burger at home by him/herself! However, customer A is a meat lover and does not like onion that much, so he/she decide to change the recipe by taking o...
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  3. Converting PL/SQL to CUBRID Java SP using ANTLR and StringTemplate

    Written by Youngjin Joo on 09/30/2021 CUBRID DBMS (hereinafter 'CUBRID') does not support PL/SQL. If you want to continue your project by creating functions or subprograms with PL/SQL syntax in CUBRID, you need to convert them to Java Stored Function/Procedure (hereinafter 'Java SP'). Database developers, administrators, and engineers are often familiar with PL/SQL syntax but not with programming languages. In addition, application development depends very little on the DBMS used, but converting PL/SQL to Java SP seems difficult because it feels like you're developing a new system. Therefore, while I am looking for an easy way to convert PL/SQL to Java SP, I found out about ANTLR. ANTLR is a tool for generating parsers. With the help of contributors around the world, ANT...
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  4. Monitoring CUBRID through Scouter

    Written by TaeHwan Seo on 01/18/2022 CUBRID users can monitor items in CUBRID through the Scouter. It was developed based on CUBRID 11.0 version. Full features are available from CUBRID 10.2.1 Version. Scouter (Server, Client) is available from version 2.15.0, bug fixes and features will be added by participating in Scouter GitHub in the future. The latest version of Scouter (as in 2022.01.18) is Scouter 2.15.0, Multi Agent support and bug fixes are currently in the PR stage. 1. What is Scouter? Scouter is an Open Source Application Performance Management (APM), it provides monitoring function for applications and OS. Scouter Basic Configuration Scouter-provided Information ​- WAS Basic Information Response speed/profiling information for each request, number of server requests/number of re...
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  5. Our Experience of Creating Large Scale Log Search System Using ElasticSearch

    Written by Lee Jae Ik on 05/01/2018 At NHN, we have a service called NELO (NHN Error Log System) to manage and search logs pushed to the system by various applications and other Web services. The search performance and functionality of NELO2, the second generation of the system, have significantly been improved through ElasticSearch. Today I would like to share our experience at NHN in deploying ElasticSearch in Log Search Systems. ElasticSearch is a distributed search engine based on Lucene developed by Shay Banon. Shay and his team have recently released the long-awaited version 0.90. Here is a link to a one-hour recorded webinar where Clinton Gormley, one of the core ElasticSearch developers, explains what's new in ElasticSearch 0.90. If you are developing a system which requires a searc...
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