These are zeppelin server log which is controlled by log4.properties under ZEPPELIN_CONF_DIR. And I don’t understand why would you say these log would affect the performance.
Could you explain more ? Best Regard, Jeff Zhang From: Amer Sheikh <amersh...@gmail.com<mailto:amersh...@gmail.com>> Reply-To: "users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>" <users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>> Date: Saturday, October 14, 2017 at 12:15 AM To: "users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>" <users@zeppelin.apache.org<mailto:users@zeppelin.apache.org>> Subject: Re: Zepplin 0.7.3 DEBUG console output, how do I switch it off!!! Spark 2.2.0-bin-hadoop2.7 Hi there Please see the console output On Thu, Oct 12, 2017 at 1:25 PM, Jeff Zhang <zjf...@gmail.com<mailto:zjf...@gmail.com>> wrote: What kind of DEBUG log you see ? Can you paste it ? amersh...@gmail.com<mailto:amersh...@gmail.com> <amersh...@gmail.com<mailto:amersh...@gmail.com>>于2017年10月12日周四 下午5:44写道: On 2017-10-12 10:41, "amersh...@gmail.com<mailto:amersh...@gmail.com>"<amersh...@gmail.com<mailto:amersh...@gmail.com>> wrote: > Hello there > > I have installed Spark 2.20 and from the spark-shell, my scala code works > perfectly and performs well. > > The same scala executed from Zeppelin causes lots of DEBUG statements to be > printed in the console (almost non-stop) and the performance is very slow. > > I have just installed binaries and haven't changed any configurations, but it > seems Zeppelin is running in debug mode... > > Help.. > > I use bin\zeppelin.cmd to start zeppelin. I'm on Windows Server 2012 > > Please help... > > > PS The scala works perfectly within Zeppelin... Just very slow performance and lots of Debug output...