Greg Whalin wrote:
Curious, were you seeing deadlocks in Suns JVM w/ Tomcat?
Never with Tomcat but we might have a different number of threads. But it *was* with Java...
We were forced to run Tomcat w/ NPTL off due to deadlocks under glibc 2.3.2+NPTL.
Yup.. thats the problem we had. But we have too many threads so Linuxthreads fell down.
It sounds like upgrading your glibc would fix this issue.
Under FC2, the JVM runs fine w/ NPTL, though glibc is now 2.3.3.
I think this particular bug was fixed in 2.3.3 but there are other interesting bugs fixed in 2.3.4 so we went that route. That and Debian has no 2.3.3 build.
We have had no NPTL issues w/ the x86 version of mysql, but the x86-64 definite almost immediate deadlock (w/ 2.3.2).Yeah.. these should related. I mean its a race condition so the processor or schedulre might affect it.
So... this might be another Opteron issue that we've solved :)
I'd be interested in finding out if the switch fixes this issue..
Kevin
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