9.4 and 9.5 has a few crashes under heavy load which I've not yet observed under 10.1 (had about 10-15 crashes this morning on a mail cluster, none since upgrading to 10.1). Believe this is has higher performance too. Once stabled I'll remove <9.5 from the tree. Reproducible: Always
amd64 done
x86 done
Thank you all!
ppc64 done all arches done