IT 직딩 아빠의 육아 & 여행

<Environment> ■ SOA Version : Oracle Cloud SOACS 12.2.1.4 (Market Place) ■ java version 1.8.0_261 ■ Java Memory Garbage Collection Type : G1GC ----------------------------------------------------------------------------------------------------- In this post, I will compare between  Parallel  GC and G1 GC for Oracle SOA(EAI). For this, you need to know something as bellow.. EAI - Enterprise Architecture Integration What is Java Memory Garbage Collection (GC)? - Memory management - Delete unused memory automatically Java Memory Garbage Collection Types - Serial Garbage Collector - Parallel Garbage Collector -> Default GC below 1.9 - CMS Garbage Collector - G1(Garbage First) Garbage Collector -> Default GC above 1.9 GC types - Minor and Major GC During GC - Stop the World : A ll application threads are stopped ----------------------------------------------------------------------------------------------------- Let's start!! Parallel   Garbage Collector Logic Shortly, Memor