Re: Unloading LambdaForm bytecode

2014-09-09 Thread John Rose
On Sep 9, 2014, at 12:11 AM, Martin Traverso wrote: > Hi John, > > Thanks for the detailed explanation. > > I ran a few additional experiments after I wrote a simpler program to try to > reproduce the issue. I don't see the permgen leak, so something else must be > causing it in Presto. I do

Re: Unloading LambdaForm bytecode

2014-09-09 Thread Martin Traverso
Hi John, Thanks for the detailed explanation. I ran a few additional experiments after I wrote a simpler program to try to reproduce the issue. I don't see the permgen leak, so something else must be causing it in Presto. I do see the "Loaded..." messages without a corresponding "Unloaded...", so

Re: Unloading LambdaForm bytecode

2014-09-08 Thread John Rose
Hi Martin. A few LFs are cached in 8u20, and many more will be in 8u40; those will not be unloaded. A non-cached LF can be viewed as customized, to the exact MH that caused its creation. It should be the case that a LF that is customized to LFs will be unloaded (with its bytecodes) as soon as