Version: 1.451

We switched from sun java to openjdk and noticed that copying artifacts from master to slave took way longer than it had previously (x10 or more). Switching back to sun java fixed the problem.

Related to this, the node ping times, as seen at: https://.../jenkins/computer/ were all up around 0.5s with openjdk and then when switching to sun java dropped back down to where they should be (around 20ms).

If this is a bug in openjdk that's not really Jenkins problem, but perhaps there's something in Jenkins to be done. Or at least it'd be beneficial for Jenkins to know about this I guess.