Re: first and second run 2x query time difference

I'm more thinking in terms of the startup IO having some impact on the co-located services, but we really need to know what "went down" means. On Sat, Dec 16, 2017 at 12:50 PM, Boris Tyukin wrote: > yep it is really weird since Kudu does not use neither one. I'll get with

Re: first and second run 2x query time difference

yep it is really weird since Kudu does not use neither one. I'll get with him on Monday to gather more details On Sat, Dec 16, 2017 at 3:28 PM, Jean-Daniel Cryans wrote: > Hi Boris, > > How exactly did HDFS and ZK go down? A Kudu restart is fairly IO-intensive > but I don't

Re: first and second run 2x query time difference

Hi Boris, How exactly did HDFS and ZK go down? A Kudu restart is fairly IO-intensive but I don't know how that can cause things like DataNodes to fail. J-D On Sat, Dec 16, 2017 at 11:45 AM, Boris Tyukin wrote: > well our admin had fun two days - it was the first time we

Re: first and second run 2x query time difference

well our admin had fun two days - it was the first time we restarted Kudu on our DEV cluster and it did not go well. He is still troubleshooting what happened but after Kudu restart zookeeper and HDFS went down after 3-4 minutes. If we disable Kudu, all is well. No error in Kudu logs...I will have