lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Bill Au <bill.w...@gmail.com>
Subject Re: jmap output help
Date Mon, 29 Mar 2010 17:10:29 GMT
Take a heap dump and use jhat to find out for sure.

Bill

On Mon, Mar 29, 2010 at 1:03 PM, Siddhant Goel <siddhantgoel@gmail.com>wrote:

> Gentle bounce
>
> On Sun, Mar 28, 2010 at 11:31 AM, Siddhant Goel <siddhantgoel@gmail.com
> >wrote:
>
> > 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
> >
>
>
>
> --
> - Siddhant
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message