Strange gc log output

Y. Srinivas Ramakrishna Y.S.Ramakrishna at Sun.COM
Wed Aug 12 12:18:27 PDT 2009


Your platform?  There was discussion of this in the context of an old 
version
of Solaris 10 on x64 recently and it turned out to be lack of  a 
required kernel
patch 137138-09. It is part of the the recommended patch cluster for 
Java SE on Solaris can
be found here:-

http://sunsolve.sun.com/show.do?target=patches/patch-access

scroll down to the bottom and expand the "J2SE" patch cluster link.
Download may require registration.

Let us know whether it addresses yr issue or not (and the platform on 
which you
observed the problem).

-- ramki

Shane Cox wrote:
> I was wondering if anyone might know the cause of the following behaviors
> illustrated by the log excerpt below:
> 1)  Huge jump in the timestamp printed to the GC log (150 days in this
> example .. though the process was started last night).
> 2)  All of the GC timings are reported to be 0.0000000 seconds.
>
>
> 43329.690: [GC 43329.690: [ParNew: 37248K->5312K(37248K), 0.1000674 secs]
> 626205K->599580K(1698624K), 0.1006993 secs]
> 43332.695: [GC 43332.695: [ParNew: 37248K->5311K(37248K), 0.1070853 secs]
> 631516K->606736K(1698624K), 0.1079122 secs]
> 43340.565: [GC 43340.565: [ParNew: 37247K->5312K(37248K), 0.0807989 secs]
> 638672K->610581K(1698624K), 0.0811694 secs]
> 43348.221: [GC 43348.222: [ParNew: 37247K->5311K(37248K), 0.1515881 secs]
> 642517K->616038K(1698624K), 0.1529900 secs]
> 13060256.654: [GC 13060256.654: [ParNew: 37247K->5312K(37248K), 0.0000000
> secs] 647974K->620519K(1698624K), 0.0000000 secs]
> 13060256.654: [GC 13060256.654: [ParNew: 37248K->5312K(37248K), 0.0000000
> secs] 652455K->625737K(1698624K), 0.0000000 secs]
> 13060256.654: [GC 13060256.654: [ParNew: 37248K->5312K(37248K), 0.0000000
> secs] 657673K->632234K(1698624K), 0.0000000 secs]
> 13060256.654: [GC 13060256.654: [ParNew: 37248K->5312K(37248K), 0.0000000
> secs] 664170K->636084K(1698624K), 0.0000000 secs]
>
> I'm running the 64-bit JVM - version 1.6 update 7 on x86 Solaris.
>
> I tried to attach a zipped copy of the full gc log, but it exceeded the 100K
> limit.
>
> Any help would be appreciated.
>
>   
> ------------------------------------------------------------------------
>
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> hotspot-gc-use at openjdk.java.net
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>   

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