Hi, > >80MB > >and heap used was 57MB (reported by optimizeit). But the > memory sizes > >reported by solairs pmap command is > > > >Size RSS Shared Private > >1173.45 MB 608.125 MB 15.125 MB 593 MB > > There's a mismatch here. There's no way the OS-level > overhead is hundreds of MBs for an 80-MB heap. Are you sure > the pmap command doesn't multiply by the number of threads or > something like that (similar to what the Linux top command does)? >
I am not sure how pmap works. But the numbers are consitent with what top command reports. > > >3. I read somewhere that if you use reflection, the reflective data > >structures (whatever that means) also contribute to the memory > footprint. > >It > >sounded as though these are not part of the heap. So if we > are creating > >instances of Method, Constructor, etc, are they not allocated in the > heap? > >We are using reflection heavily. > > Where's "somewhere" ? ;) That's mostly old information. The > JVM is very efficient at handling reflection and properly > storing Method references. I think I read about this in the Java performance tuning book from Sun press or O'reilly. Anand --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
