<div><div>after a concurrent mode failure. the young generation changed from about 50MB to 1.8GB</div><div>What's the logic behind this?</div><div><br></div><div>2012-01-10T22:23:54.544+0800: [GC [ParNew: 55389K->6528K(59072K), 0.0175440 secs] 5886124K->5839323K(6195204K), 0.0177480 secs] [Times: user=0.20 sys=0.00, real=0.01 secs]</div>
<div>2012-01-10T22:23:54.575+0800: [GC [ParNew: 59072K->6528K(59072K), 0.0234040 secs] 5891867K->5845823K(6201540K), 0.0236070 secs] [Times: user=0.24 sys=0.00, real=0.02 secs]</div><div>2012-01-10T22:23:54.612+0800: [GC [ParNew (promotion failed): 59072K->58862K(59072K), 2.3119860 secs][CMS2012-01-10T22:23:57.153+0800: [CMS-concurrent-preclean: 10.999/28.245 secs] [Times: user=290.41 sys=4.65, real=28.24 secs]</div>
<div> (concurrent mode failure): 5841457K->2063142K(6144000K), 8.8971660 secs] 5898367K->2063142K(6203072K), [CMS Perm : 31369K->31131K(52316K)], 11.2110080 secs] [Times: user=11.73 sys=0.51, real=11.21 secs]</div>
<div>2012-01-10T22:24:06.125+0800: [GC [ParNew: 1638400K->46121K(1843200K), 0.0225800 secs] 3701542K->2109263K(7987200K), 0.0228190 secs] [Times: user=0.26 sys=0.02, real=0.02 secs]</div><div>2012-01-10T22:24:06.357+0800: [GC [ParNew: 1684521K->111262K(1843200K), 0.0381370 secs] 3747663K->2174404K(7987200K), 0.0383860 secs] [Times: user=0.44 sys=0.04, real=0.04 secs]</div>
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