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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 45760] New: Full GC does not free memory in PSOldGen space
Date Mon, 08 Sep 2008 09:31:01 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=45760

           Summary: Full GC does not free memory in PSOldGen space
           Product: Tomcat 6
           Version: 6.0.18
          Platform: HP
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: tomcat-dev@jakarta.apache.org
        ReportedBy: rafael.orteu.ext@juntadeandalucia.es


Tomcat version 6.0.18
Java version jdk1.6.0_07

We have an application that fills PSOldGen space and Full GC's does not free
memory in PSoldGen space, the same application does not have this issue with
jdk1.5.

Thanks.


Heap after GC invocations=90 (full 17):
 PSYoungGen      total 80832K, used 28649K [0x0000002aa94e0000,
0x0000002aaea30000, 0x0000002aaea30000)
  eden space 74304K, 38% used
[0x0000002aa94e0000,0x0000002aab0da640,0x0000002aadd70000)
  from space 6528K, 0% used
[0x0000002aadd70000,0x0000002aadd70000,0x0000002aae3d0000)
  to   space 6464K, 0% used
[0x0000002aae3e0000,0x0000002aae3e0000,0x0000002aaea30000)
 PSOldGen        total 174784K, used 174784K [0x0000002a9ea30000,
0x0000002aa94e0000, 0x0000002aa94e0000)
  object space 174784K, 100% used
[0x0000002a9ea30000,0x0000002aa94e0000,0x0000002aa94e0000)
 PSPermGen       total 65792K, used 38544K [0x0000002a99630000,
0x0000002a9d670000, 0x0000002a9ea30000)
  object space 65792K, 58% used
[0x0000002a99630000,0x0000002a9bbd42f8,0x0000002a9d670000)
}
{Heap before GC invocations=91 (full 18):
 PSYoungGen      total 80832K, used 74304K [0x0000002aa94e0000,
0x0000002aaea30000, 0x0000002aaea30000)
  eden space 74304K, 100% used
[0x0000002aa94e0000,0x0000002aadd70000,0x0000002aadd70000)
  from space 6528K, 0% used
[0x0000002aadd70000,0x0000002aadd70000,0x0000002aae3d0000)
  to   space 6464K, 0% used
[0x0000002aae3e0000,0x0000002aae3e0000,0x0000002aaea30000)
 PSOldGen        total 174784K, used 174784K [0x0000002a9ea30000,
0x0000002aa94e0000, 0x0000002aa94e0000)
  object space 174784K, 100% used
[0x0000002a9ea30000,0x0000002aa94e0000,0x0000002aa94e0000)
 PSPermGen       total 65792K, used 38596K [0x0000002a99630000,
0x0000002a9d670000, 0x0000002a9ea30000)
  object space 65792K, 58% used
[0x0000002a99630000,0x0000002a9bbe12c0,0x0000002a9d670000)
5263.913: [Full GC [PSYoungGen: 74304K->30306K(80832K)] [PSOldGen:
174784K->174784K(174784K)] 249088K->205090K(255616K) [PSPermGen:
38596K->38596K(65792K)], 0.5541860 secs] [Times: user=0.56 sys=0.00, real=0.55
secs] 
Heap after GC invocations=91 (full 18):
 PSYoungGen      total 80832K, used 30306K [0x0000002aa94e0000,
0x0000002aaea30000, 0x0000002aaea30000)
  eden space 74304K, 40% used
[0x0000002aa94e0000,0x0000002aab278b28,0x0000002aadd70000)
  from space 6528K, 0% used
[0x0000002aadd70000,0x0000002aadd70000,0x0000002aae3d0000)
  to   space 6464K, 0% used
[0x0000002aae3e0000,0x0000002aae3e0000,0x0000002aaea30000)
 PSOldGen        total 174784K, used 174784K [0x0000002a9ea30000,
0x0000002aa94e0000, 0x0000002aa94e0000)
  object space 174784K, 100% used
[0x0000002a9ea30000,0x0000002aa94e0000,0x0000002aa94e0000)
 PSPermGen       total 65792K, used 38596K [0x0000002a99630000,
0x0000002a9d670000, 0x0000002a9ea30000)
  object space 65792K, 58% used
[0x0000002a99630000,0x0000002a9bbe12c0,0x0000002a9d670000)
}
{Heap before GC invocations=92 (full 19):
 PSYoungGen      total 80832K, used 74304K [0x0000002aa94e0000,
0x0000002aaea30000, 0x0000002aaea30000)
  eden space 74304K, 100% used
[0x0000002aa94e0000,0x0000002aadd70000,0x0000002aadd70000)
  from space 6528K, 0% used
[0x0000002aadd70000,0x0000002aadd70000,0x0000002aae3d0000)
  to   space 6464K, 0% used
[0x0000002aae3e0000,0x0000002aae3e0000,0x0000002aaea30000)
 PSOldGen        total 174784K, used 174784K [0x0000002a9ea30000,
0x0000002aa94e0000, 0x0000002aa94e0000)
  object space 174784K, 100% used
[0x0000002a9ea30000,0x0000002aa94e0000,0x0000002aa94e0000)
 PSPermGen       total 65792K, used 38652K [0x0000002a99630000,
0x0000002a9d670000, 0x0000002a9ea30000)
  object space 65792K, 58% used
[0x0000002a99630000,0x0000002a9bbef390,0x0000002a9d670000)
5605.847: [Full GC [PSYoungGen: 74304K->29768K(80832K)] [PSOldGen:
174784K->174784K(174784K)] 249088K->204552K(255616K) [PSPermGen:
38652K->38652K(65792K)],


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