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--- java:gc [2018/03/14 08:37]
kwon37xi [G1 GC]
+++ java:gc [2018/03/14 08:50]
kwon37xi
@@ 줄 1: / 줄 1: @@
 ====== Java Garbage Collection ======
+  * [[java:g1gc|G1 GC]]
   * [[http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html|Java SE 6 HotSpot[tm] Virtual Machine Garbage Collection Tuning]]
   * [[http://docs.oracle.com/javase/8/docs/technotes/guides/vm/gctuning/index.html|Java 8 GC Tuning]]
@@ 줄 30: / 줄 31: @@
     * ''-XX:+PrintClassHistogramAfterFullGC''
     * ''-XX:+PrintClassHistogramBeforeFullGC''
+    * ''-XX:-TraceClassUnloading -XX:-TraceClassLoading''
   * ''-Xloggc:<file>'' : GC 로그를 ''file''로 남긴다.
   * ''-XX:+HeapDumpAfterFullGC''
@@ 줄 53: / 줄 55: @@
 </code>
-===== G1 GC =====
-  * Java 7 u60 이상 버전에서 G1 GC 사용할 것. 그 이하버전에 버그가 좀 많다고 함.
-  * [[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
-  * [[http://www.infoq.com/articles/tuning-tips-G1-GC|Tips for Tuning the Garbage First Garbage Collector]]
-  * [[http://www.oracle.com/technetwork/articles/java/g1gc-1984535.html|Garbage First Garbage Collector Tuning]]
-  * [[http://www.oracle.com/technetwork/tutorials/tutorials-1876574.html|Getting Started with the G1 Garbage Collector]]
-  * [[https://software.intel.com/en-us/blogs/2014/06/18/part-1-tuning-java-garbage-collection-for-hbase|Part #1 - Tuning Java Garbage Collection for HBase]]
-  * [[http://initproc.tistory.com/entry/G1-Garbage-Collection|G1 Garbage Collection (G1 GC)]] - G1 GC의 기본 개념을 잘 정리했음.
-  * [[http://blog.mgm-tp.com/2013/03/garbage-collection-tuning/|Tuning Garbage Collection for Mission-Critical Java Applications - Tuning Guidelines for Java Garbage Collection, Part 1 « mgm technology blog]]
-  * [[http://blog.mgm-tp.com/2013/12/benchmarking-g1-and-other-java-7-garbage-collectors/|Benchmarking G1 and other Java 7 Garbage Collectors - Tuning Guidelines for Java Garbage Collection, Part 2 « mgm technology blog]]
-  * [[http://blog.mgm-tp.com/2014/04/controlling-gc-pauses-with-g1-collector/|Controlling GC pauses with the GarbageFirst Collector - Tuning Guidelines for Java Garbage Collection, Part 3 « mgm technology blog]]
-  * [[http://www.slideshare.net/MonicaBeckwith/garbage-first-garbage-collector-g1-gc-migration-to-expectations-and-advanced-tuning|Garbage First Garbage Collector (G1 GC) - Migration to, Expectations …]] G1 GC 실전 예
-  * [[http://www.slideshare.net/MonicaBeckwith/con5497?related=2|Garbage First Garbage Collector (G1 GC): Current and Future Adaptabil…]]
-  * [[http://www.slideshare.net/C2B2/g1-garbage-collector-big-heaps-and-low-pauses|G1 Garbage Collector - Big Heaps and Low Pauses?]]
-  * [[https://docs.oracle.com/cd/E40972_01/doc.70/e40973/cnf_jvmgc.htm|Tuning JVM Garbage Collection for Production Deployments]]
-  * [[https://blogs.oracle.com/poonam/entry/about_g1_garbage_collector_permanent|About G1 Garbage Collector, Permanent Generation and Metaspace]]
-  * [[http://stackoverflow.com/questions/18960493/class-unloading-in-javas-g1-garbage-collector-g1gc|Class Unloading in Java's G1 Garbage Collector (G1GC)]]
-    * G1 GC 에서는 Class Unloading이 자동으로 이루어진다. ''-XX:+TraceClassUnloading''로 확인 가능.
-    * [[http://logonjava.blogspot.kr/2015/08/java-g1-gc-full-gc.html?spref=tw|Log on Java: Java G1 GC의 특성에 따른 Full GC 회피 튜닝 방법]]
-  * [[http://blog.mgm-tp.com/2014/04/controlling-gc-pauses-with-g1-collector/|Controlling GC pauses with the GarbageFirst Collector - Tuning Guidelines for Java Garbage Collection, Part 3 « mgm technology blog]]
-  * [[https://engineering.linkedin.com/blog/2016/11/application-pauses-when-running-jvm-inside-linux-control-groups|Application Pauses When Running JVM Inside Linux Control Groups | LinkedIn Engineering]]
-    * Linux에서 쓰레드 갯수 등

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