0 Replies Latest reply on Apr 19, 2010 11:22 AM by Carlos Oliva

    Java Heap Permanent Generation

    Carlos Oliva Novice

      Why would jstat for -gcutil report about 60% of the permanent generation is in use when the maximum size is at least three times larger that the amount in use?  Below are the results of the jstat output.  With a maximum PGCMX=262M and a PGC=71M, I was expecting that the percentage in use would be P < 30%


      pbsi:/root> jstat -gcpermcapacity 6003 && jstat -gcutil 6003
        PGCMN      PGCMX       PGC         PC      YGC   FGC    FGCT     GCT
         16384.0   262144.0    70964.0    70964.0   284   261   82.442  102.188
        S0     S1     E      O      P     YGC     YGCT    FGC    FGCT     GCT
        0.00   0.00  62.27   5.13  59.93    284   19.746   261   82.442  102.188