On 14/03/17 14:01, Timo Kinnunen wrote: > File handles aren’t that scarce of a resource, really, at least on > Windows.
I've seen processes running out of file handles. It is possible to change the per-process limit. And, of course, there is a lot of hidden context in the kernel and device drivers. > On Windows threads are a lot scarcer resource than file handles, and > I don’t recall anyone suggesting Java’s GC wasn’t suitable for > managing that limited but crucially important resource. Java's GC isn't used for managing threads. > The question should then be, what makes threads so much easier to > manage than file handles and how can we make file handles be more > like threads? They're not. > Food for thought: threads need a big stack which means a lot of > memory, but a file handle might be just 8 bytes which is hard to > keep track of. So, change the storage of file handles to use slot-0 > of new long[65536]; I did try that, and it does work, but it's an ugly waste of memory. Andrew.
