Using the GC Configuration Page

Using the GC Configuration Page: GC Configuration Panel

• Young Garbage Collector: The garbage collector used for the young generation.

• Old Garbage Collector: The garbage collector used for the old generation.

• Concurrent GC Threads: The number of concurrent GC threads.

• Parallel GC Threads: The number of parallel GC threads.

• Concurrent Explicit GC: Indicates whether System.gc() is concurrent or not.

• Disabled Explicit GC: Indicates whether System.gc() is will cause a garbage collection or not.

• Uses Dynamic GC Threads: Indicates whether a dynamic number of GC threads are used or not.

• GC Time Ratio: The GC time ratio.

Using the GC Configuration Page: Heap Configurations Panel

• Initial Heap Size: The size of the Java heap at JVM startup.

• Minimum Heap Size: The minimum amount of memory reserved for the Java heap.

• Maximum Heap Size: The maximum amount of memory reserved for the Java heap.

• If Compressed Oops Are Used: Indicates whether compressed Ordinary Object Pointers are enabled.

• Compressed Oops Mode: Indicates the kind of compressed Ordinary Object Pointers being used.

• Heap Address Size: The heap address size.

• Object Alignment:

Using the GC Configuration Page: Young Generation Configuration Panel

• Minimum Young Generation Size: The minimum size of the young generation.

• Maximum Young Generation Size: The maximum size of the young generation.

• New Ratio: The ratio of the size of the tenured generation to that of the young generation.

• Initial Tenuring Threshold: The initial number of times an object survives the young generation before being promoted to the tenured generation.

• Maximum Tenuring Threshold: The maximum tenuring threshold for use in adaptive GC sizing. The current largest value is 15.

• TLABs Used: Indicates whether Thread Local Allocation Buffers (TLABs) are in use.

• Minimum TLAB Size: The minimum TLAB size.

• TLAB Refill Waste Limit: