java:g1gc

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--- java:g1gc [2018/05/23 21:07]
kwon37xi [Java 8 Metaspace Class Unloading]
+++ java:g1gc [2022/03/18 15:37] (현재)
kwon37xi
@@ 줄 4: / 줄 4: @@
 ===== 기본 설정 =====
 <code>
--XX:+UseG1GC -XX:+DisableExplicitGC
+-XX:+UseG1GC -XX:+DisableExplicitGC -XX:+UseStringDeduplication
 </code>
   * ''-XX:MaxGCPauseMillis=밀리세컨드'' default=200ms
@@ 줄 10: / 줄 10: @@
   * ''-XX:ParallelGCThreads=숫자''
   * ''-XX:ConcGCThreads=숫자''
+  * ''-XX:+UseStringDeduplication'' : 불필요한 문자열 중복 생성 방지 G1 에서만 기능함 [[https://dzone.com/articles/easy-change-to-reduce-memory-by-20|G1 GC: Reducing Memory Consumption by 20%]]
 ===== Java 8 Metaspace Class Unloading =====
@@ 줄 24: / 줄 25: @@
 ===== 참조 =====
   * Java 7 u60 이상 버전에서 G1 GC 사용할 것. 그 이하버전에 버그가 좀 많다고 함.
-  * [[http://www.oracle.com/technetwork/articles/java/g1gc-1984535.html|Garbage First Garbage Collector Tuning]]
+  * [[https://www.oracle.com/technical-resources/articles/java/g1gc.html|Garbage First Garbage Collector Tuning]]
   * [[https://bugs.openjdk.java.net/browse/JDK-8038348|[JDK-8038348] Instance field load is replaced by wrong data Phi]] : [[search:lucene|Lucene]] 사용에 영향을 끼치는 G1 GC Bug
   * [[http://www.infoq.com/articles/G1-One-Garbage-Collector-To-Rule-Them-All|G1: One Garbage Collector To Rule Them All]] G1 GC 작동 원리에 대한 상세한 설명
@@ 줄 49: / 줄 49: @@
     * [[https://www.redhat.com/en/blog/part-1-introduction-g1-garbage-collector|Part 1: Introduction to the G1 Garbage Collector]]
     * [[https://www.redhat.com/en/blog/collecting-and-reading-g1-garbage-collector-logs-part-2|Collecting and reading G1 garbage collector logs - part 2]]
+    * [[https://product.hubspot.com/blog/g1gc-fundamentals-lessons-from-taming-garbage-collection|G1GC Fundamentals: Lessons from Taming Garbage Collection]]
+    * [[https://www.slideshare.net/jelastic/elastic-jvm-automatic-vertical-scaling-of-the-java-heap|Elastic JVM: Automatic Vertical Scaling of the Java Heap]]
+    * [[https://dzone.com/articles/java-garbage-collection-3|Java Garbage Collection - DZone Java]]

java/g1gc.1527077240.txt.gz · 마지막으로 수정됨: 2018/05/23 21:07 저자 kwon37xi