Hi Lee, I use default configurations for rebalancing. However is this patch available on 0.9.1?
Thanks Dimuthu On Mon, Nov 25, 2019 at 2:19 PM Hunter Lee <naren...@gmail.com> wrote: > Hi Dimuthu, > > Are you using periodicalRebalance? That might trigger a rebalance > periodically even if there's no activity in the cluster. > > As for the ConcurrentModification exception, I believe there was a patch > for that going from 0.8.2 to the latest on the upstream. > > Hunter > > On Mon, Nov 25, 2019 at 10:13 AM DImuthu Upeksha < > dimuthu.upeks...@gmail.com> wrote: > >> Hi Folks, >> >> We have noticed a task in Helix cluster was running periodically even >> though it was completed at each run. When we look at the logs of the >> controller, I can see some Concurrent Modification exceptions [1]. However >> this is a very rare occurrence. We have been using current Helix version >> for few months on our production deployments but this is the first time we >> have seen this behavior. >> >> Do you have any insight into this? >> >> We are using helix 0.8.2 >> >> [1] https://gist.github.com/DImuthuUpe/33db7bbe5d53fcc38dfc66eb0d45df55 >> >> Thanks >> Dimuthu >> >
