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From ruslan usifov <ruslan.usi...@gmail.com>
Subject ParNew (promotion failed)
Date Wed, 23 Mar 2011 15:18:02 GMT
Hello

Sometimes i seen in gc log follow message:

2011-03-23T14:40:56.049+0300: 14897.104: [GC 14897.104: [ParNew (promotion
failed)
Desired survivor size 41943040 bytes, new threshold 2 (max 2)
- age   1:    5573024 bytes,    5573024 total
- age   2:    5064608 bytes,   10637632 total
: 672577K->670749K(737280K), 0.1837950 secs]14897.288: [CMS:
1602487K->779310K(2326528K), 4.7525580 secs] 2270940K->779310K(3063808K), [
CMS Perm : 20073K->19913K(33420K)], 4.9365810 secs] [Times: user=5.06
sys=0.00, real=4.93 secs]
Total time for which application threads were stopped: 4.9378750 seconds


How can i minimize they frequency, or disable?

May current workload is a many small objects (about 200 bytes long), and
summary of my memtables about 300 MB (16 CF). My heap is 3G,

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