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Oracle Java 8 64位服務器VM的默認最大Codecache大小是多少?Java 8中默認的最大Codecache大小是多少?
我相信相關的設置是ReservedCodeCacheSize。我已經看到默認ReservedCodeCacheSize的兩個不同的值:
- This Oracle page說它是48M。
- 下面的命令說,這是〜250M:
$ java -XX:+PrintFlagsFinal -version -server | grep ReservedCodeCacheSize uintx ReservedCodeCacheSize = 251658240 {pd product} java version "1.8.0_60" Java(TM) SE Runtime Environment (build 1.8.0_60-b27 Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode) $ uname -va Linux tst-job3 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux