Zz JavaOne: G1 Garbage CollectorNULL 博文链接：https://

文件名称: Zz JavaOne: G1 Garbage Collector

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详细说明：NULL 博文链接：https://seanzhou.iteye.com/blog/2003197Java Javaone Who are these guys? Tony Printezis Staff Engineer, Hotspot JVM GC Group Sun microsystems, Burlington, MA s Paul ciciora °“ The Adventurous customer Dept Head, Object Oriented Infrastructure Chicago board Options Exchange(CBOE), Chicago, IL ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone Learn how Garbage- First, aka G1, the new low-latency garbage collector in the Hotspot JVM works and what it will mean to your application in the future GOA ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone Agenda e Garbage -First Attributes e Garbage-First Operation e First Impressions: CBOE Final Thoughts ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone Agenda Garbage-First Attributes Garbage-First Operation e First Impressions: CBOE Final Thoughts ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone The garbage-First Garbage Collector(G1) Future CMs Replacement Server“ Style” Garbage Collector s Parallel Concurrent Generational Good Throughput Compacting Improved ease-of-use Predictable(though not hard real-time) ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone The garbage-First Garbage Collector(G1) Future CMs Replacement Server"Style"Garbage Collector/Main differences s Parallel between Concurrent Garbage-First Generational and cMs Good Throughput Compacting s Improved ease-of-use Predictable(though not hard real-time) ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone GC Work: Parallelism Concurrency Application Thread GC Thread ◆S 2008 JavaOne SM Conference java. sun. com/javaone Java Javaone Predictability e Cannot guarantee hard real-time behavior oS scheduling Other processes Application behavior(without analysis) s Soft real-time Achieve good level of predictable behavior With high probability . but no hard guarantees e If you want hard real-time guarantees, please consider using the Sun Microsystems'Java Real-Time System e We are expecting G1 to be more predictable than CMs ◆S 2008 JavaOne SM Conference java. sun. com/javaone 10

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