Changes between Initial Version and Version 1 of jazz/Java

Timestamp:

Mar 27, 2018, 5:35:44 PM (8 years ago)

Author:

jazz

Comment:

--

jazz/Java

@@ +1 @@
+= Java =
+
+== HeapSize ==
+
+https://www.journaldev.com/2856/java-jvm-memory-model-memory-management-in-java
+
+[[Image(https://cdn.journaldev.com/wp-content/uploads/2014/05/Java-Memory-Model-1024x425.png)]]
+
+* 系統預設值
+{{{
+~$ java -XX:+PrintFlagsFinal -version | grep HeapSize
+    uintx ErgoHeapSizeLimit                         = 0                                   {product}
+    uintx HeapSizePerGCThread                       = 87241520                            {product}
+    uintx InitialHeapSize                          := 197132288                           {product}
+    uintx LargePageHeapSizeThreshold                = 134217728                           {product}
+    uintx MaxHeapSize                              := 3149922304                          {product}
+java version "1.8.0_74"
+Java(TM) SE Runtime Environment (build 1.8.0_74-b02)
+Java HotSpot(TM) 64-Bit Server VM (build 25.74-b02, mixed mode)
+}}}
+