Re: Improving web performance by reducing number of broadcasts

I agree and have created https://issues.apache.org/jira/browse/ZEPPELIN-1084 . Best, Prasad On Tue, Jun 28, 2016 at 11:41 PM, Johnny W. wrote: > Thanks, Prasad! This is very helpful. The version we are using already > includes Jetty 9 & Zeppelin-820. > > However, we still see web hangs quite fr

Re: Improving web performance by reducing number of broadcasts

Thanks, Prasad! This is very helpful. The version we are using already includes Jetty 9 & Zeppelin-820. However, we still see web hangs quite frequently caused by broadcasting updateNote. I may remove the synchronized block on noteSocketMap as a temporary fix, but I am wondering whether there is a

Re: Improving web performance by reducing number of broadcasts

Hi Johnny, What version of the server are you using? You may be interested in the following: Email thread discussing zeppelin server hangs and reduci

Improving web performance by reducing number of broadcasts

Hi zeppelin-users, This is my first email to the top-level mailing list. Congratulations for graduation! We are hitting some performance issues when multiple users are connected to the Zeppelin server. From the stack trace, many of the connections are blocked on a HashMap, which is locked by org.