What kernel version are you running? I have seen with I/O intense nodes with 2.6.18 to 2.6.24 the kernel has a bug where it locks the JVM and spins to 100%.
On Mon, Dec 20, 2010 at 1:14 PM, Brandon Williams <dri...@gmail.com> wrote: > On Mon, Dec 20, 2010 at 2:13 PM, Dan Hendry <dan.hendry.j...@gmail.com>wrote: > >> Yes, I have tried that (although only twice). Same impact as a regular >> kill: nothing happens and I get no stacktrace output. It is however on my >> list of things to try again the next time a node dies. I am also not able to >> attach jstack to the process. >> > > Kill -3 will only produce output in foreground mode, jstack will work in > either foreground or background. > > -Brandon >