Hi everyone, The output of "jmap -histo:live 27959 | head -30" is something like the following :
num #instances #bytes class name ---------------------------------------------- 1: 448441 180299464 [C 2: 5311 135734480 [I 3: 3623 68389720 [B 4: 445669 17826760 java.lang.String 5: 391739 15669560 org.apache.lucene.index.TermInfo 6: 417442 13358144 org.apache.lucene.index.Term 7: 58767 5171496 org.apache.lucene.index.FieldsReader$LazyField 8: 32902 5049760 <constMethodKlass> 9: 32902 3955920 <methodKlass> 10: 2843 3512688 <constantPoolKlass> 11: 2397 3128048 [Lorg.apache.lucene.index.Term; 12: 35 3053592 [J 13: 3 3044288 [Lorg.apache.lucene.index.TermInfo; 14: 55671 2707536 <symbolKlass> 15: 27282 2701352 [Ljava.lang.Object; 16: 2843 2212384 <instanceKlassKlass> 17: 2343 2132224 <constantPoolCacheKlass> 18: 26424 1056960 java.util.ArrayList 19: 16423 1051072 java.util.LinkedHashMap$Entry 20: 2039 1028944 <methodDataKlass> 21: 14336 917504 org.apache.lucene.document.Field 22: 29587 710088 java.lang.Integer 23: 3171 583464 java.lang.Class 24: 813 492880 [Ljava.util.HashMap$Entry; 25: 8471 474376 org.apache.lucene.search.PhraseQuery 26: 4184 402848 [[I 27: 4277 380704 [S Is it ok to assume that the top 3 entries (character/integer/byte arrays) are referring to the entries inside the solr cache? Thanks, -- - Siddhant
