Skip to Content
0
Former Member
Dec 07, 2006 at 01:38 AM

Garbage collector - Tenured Generation - Unloading Class

112 Views

Hi All,

I've seen the garbage collector report the following. The worrying this is it took 36 seconds. Is this normal, or is there something wrong with my generation (New, Perm, Tenured) sizes ? What does this "Unloading Class" mean?

****************************

Thu Dec 7 10:06:20 2006

57165.190: [GC 57165.190: [ParNew: 676789K->676789K(682688K), 0.0000346 secs]57165.190: [Tenured

Thu Dec 7 10:06:34 2006

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor116]

[Unloading class sun.reflect.GeneratedConstructorAccessor819]

[Unloading class sun.reflect.GeneratedMethodAccessor1]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor256]

[Unloading class sun.reflect.GeneratedConstructorAccessor405]

[Unloading class sun.reflect.GeneratedMethodAccessor232]

[Unloading class sun.reflect.GeneratedMethodAccessor328]

[Unloading class sun.reflect.GeneratedConstructorAccessor989]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor212]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor37]

[Unloading class sun.reflect.GeneratedConstructorAccessor1032]

[Unloading class sun.reflect.GeneratedConstructorAccessor366]

[Unloading class sun.reflect.GeneratedConstructorAccessor89]

[Unloading class sun.reflect.GeneratedConstructorAccessor84]

[Unloading class sun.reflect.GeneratedConstructorAccessor336]

[Unloading class sun.reflect.GeneratedConstructorAccessor335]

[Unloading class sun.reflect.GeneratedConstructorAccessor1053]

[Unloading class sun.reflect.GeneratedConstructorAccessor418]

[Unloading class sun.reflect.GeneratedMethodAccessor320]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor86]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor274]

[Unloading class sun.reflect.GeneratedConstructorAccessor929]

[Unloading class sun.reflect.GeneratedConstructorAccessor893]

[Unloading class sun.reflect.GeneratedConstructorAccessor444]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor58]

[Unloading class sun.reflect.GeneratedSerializationConstructorAccessor144]

[Unloading class sun.reflect.GeneratedConstructorAccessor132]

[Unloading class sun.reflect.GeneratedConstructorAccessor385]

[Unloading class sun.reflect.GeneratedConstructorAccessor767]

[Unloading class sun.reflect.GeneratedConstructorAccessor960]

.

.

.

.

Thu Dec 7 10:06:57 2006

: 1653530K->1018272K(2326528K), 36.6689289 secs] 2330319K->1018272K(3009216K), 36.6692910 secs]

************************************

Our server has 16GB of RAM. The Heap size is currently set to 3GB. The NewSize is 800MB and the Perm Size is 384MB.

Thanks in advance

Regards

Anthony Gray