Java profiling
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Authored by haltode on Jun 9 2019, 7:05 AM.

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	[haltode@sexus ~]$ jmap -histo 27604 \| head -n 20
	num #instances #bytes class name (module)
	-------------------------------------------------------
	1: 556765035 583484484400 [B (java.base@12.0.1)
	2: 2 5047568000 [[B (java.base@12.0.1)
	3: 18772 12136976 [I (java.base@12.0.1)
	4: 1371 249096 java.lang.Class (java.base@12.0.1)
	5: 7675 245600 java.lang.String (java.base@12.0.1)
	6: 1503 195080 [Ljava.lang.Object; (java.base@12.0.1)
	7: 3851 184848 java.util.HashMap$Node (java.base@12.0.1)
	8: 3507 168336 java.util.concurrent.ConcurrentHashMap$Node (java.base@12.0.1)
	9: 1476 94464 sun.util.locale.LocaleObjectCache$CacheEntry (java.base@12.0.1)
	10: 334 91472 [Ljava.util.HashMap$Node; (java.base@12.0.1)
	11: 91 64456 [Ljava.util.concurrent.ConcurrentHashMap$Node; (java.base@12.0.1)
	12: 804 45024 java.lang.ref.SoftReference (java.base@12.0.1)
	13: 737 41272 sun.util.locale.BaseLocale (java.base@12.0.1)
	14: 738 35424 java.util.Locale (java.base@12.0.1)
	15: 19 34192 [C (java.base@12.0.1)
	16: 737 29480 sun.util.locale.BaseLocale$Key (java.base@12.0.1)
	17: 162 25920 java.lang.reflect.Method (java.base@12.0.1)
	18: 366 23424 java.util.HashMap (java.base@12.0.1)
	[haltode@sexus ~]$ jstat -gcutil 27604
	S0 S1 E O M CCS YGC YGCT FGC FGCT CGC CGCT GCT
	0.00 100.00 94.12 53.70 96.38 - 165 69316.616 0 0.000 4 0.041 69316.657

haltode created this object in space S1 Public.

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