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  1. CUBRID DBLink

    Written by DooHo Kang on 27/06/2022   What is CUBRID DBLink When retrieving information from a database, it is often necessary to retrieve information from an external database. Therefore, it is necessary to be able to search for information on other databases. CUBRID DBLink allows users to use the information on other databases.   CUBRID DBLink provides a function to inquire about information in the databases of homogeneous CUBRID and heterogeneous Oracle and MySQL.   * It is possible to set up multiple external databases, but when searching for information, it is possible to inquire about information from only one other database.   CUBRID DBLink Configuration CUBRID DBLink supports DBLink between homogeneous and heterogeneous DBLinks.   Homogeneous DBLink diagram   If you look at the conf...
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  2. Become a Jave GC Expert Series 5 : The Principles of Java Application Performance Tuning

    Written by Se Hoon Park on 06/30/2017 This is the fifth article in the series of "Become a Java GC Expert". In the first issue Understanding Java Garbage Collection we have learned about the processes for different GC algorithms, about how GC works, what Young and Old Generation is, what you should know about the 5 types of GC in the new JDK 7, and what the performance implications are for each of these GC types. In the second article How to Monitor Java Garbage Collection we have explained how JVM actually runs the Garbage Collection in the real time, how we can monitor GC, and which tools we can use to make this process faster and more effective. In the third article How to Tune Java Garbage Collection we have shown some of the best options based on real cases as our examples that you can...
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  3. Become a Jave GC Expert Series 4 : MaxClients in Apache and its effect on Tomcat during Full GC

    Written by Dongsoon Choi on 06/23/2017 This is the fourth article in the series of "Become a Java GC Expert". In the first issue Understanding Java Garbage Collection we have learned about the processes for different GC algorithms, about how GC works, what Young and Old Generation is, what you should know about the 5 types of GC in the new JDK 7, and what the performance implications are for each of these GC types. In the second article How to Monitor Java Garbage Collection we have explained how JVM actually runs the Garbage Collection in the real time, how we can monitor GC, and which tools we can use to make this process faster and more effective. In the third article How to Tune Java Garbage Collection we have shown some of the best options based on real cases as our examples that you c...
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  4. Become a Jave GC Expert Series 3 : How to Tune Java Garbage Collection

    Written by Sangmin Lee on 06/02/2017 This is the third article in the series of "Become a Java GC Expert". In the first issue Understanding Java Garbage Collection we have learned about the processes for different GC algorithms, about how GC works, what Young and Old Generation is, what you should know about the 5 types of GC in the new JDK 7, and what the performance implications are for each of these GC types. In the second article How to Monitor Java Garbage Collection I have explained how JVM actually runs the Garbage Collection in the real time, how we can monitor GC, and which tools we can use to make this process faster and more effective. In this third article based on real cases as our examples I will show some of the best options you can use for GC tuning. I have written this arti...
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    Become a Jave GC Expert Series 2 : How to Monitor Java Garbage Collection

    Written by Sangmin Lee on 06/01/2017 This is the second article in the series of "Become a Java GC Expert". In the first issue Understanding Java Garbage Collection we have learned about the processes for different GC algorithms, about how GC works, what Young and Old Generation is, what you should know about the 5 types of GC in the new JDK 7, and what the performance implications are for each of these GC types. In this article, I will explain how JVM is actually running Garbage Collection in the real time. What is GC Monitoring?  Garbage Collection Monitoring refers to the process of figuring out how JVM is running GC. For example, we can find out: when an object in young has moved to old and by how much, or when stop-the-world has occurred and for how long. GC monitoring is carried out t...
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