ParNew garbage collection

[Darji, Kinnari]

Hello GC team,
I have question regarding ParNew collection. As in logs below, the GC is taking only 0.04 sec but application was stopped for 1.71 sec. What could possibly cause this? Please advise.

2012-01-03T14:37:04.975-0500: 30982.368: [GC 30982.368: [ParNew
Desired survivor size 19628032 bytes, new threshold 4 (max 4)
- age   1:    4466024 bytes,    4466024 total
- age   2:    3568136 bytes,    8034160 total
- age   3:    3559808 bytes,   11593968 total
- age   4:    1737520 bytes,   13331488 total
: 330991K->18683K(345024K), 0.0357400 secs] 5205809K->4894299K(26176064K), 0.0366240 secs] [Times: user=0.47 sys=0.04, real=0.04 secs]
Total time for which application threads were stopped: 1.7197830 seconds
Application time: 8.4134780 seconds



Thank you
Kinnari

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