sascha-coenen commented on issue #6740: Zookeeper loss URL: https://github.com/apache/incubator-druid/pull/6740#issuecomment-447524967 Hi. I'm running Druid on Kubernetes and the fact that the Curator library is not dealing with connection disruptions properly is the one single remaining issue that prevents my setup from being resilient. So I love your motion as it is much needed. I'm not a committer, so I cannot comment on whether the approach chosen is sound, but in one way or another, something has to be done for sure. As as side note, out of shear curiosity I wonder whether there is any good reason to use Curator at all. I know that there are plans to move away from Zookeeper, but it is not Zookeeper that is causing all the issues - it is the Curator client library that is the culprit. I wonder why the Druid Devs don't just throw out Curator and be done with it. Would be much easier than getting rid of Zookeeper, which they can still do, but as a migration path action, I would throw out Curator first. The most natural thing to do would have been to fix the following Curator issue: https://issues.apache.org/jira/browse/CURATOR-229 But this issue has been reported in 2015 and it still did not get fixed although it is a severe bug that is impeding many people. Druid is also not using the most recent version of Curator if I'm not mistaken. Version 4.0.1 has been released in Feb 2018 while Druid master uses 4.0.0.
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