[ https://issues.apache.org/jira/browse/YARN-10720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tibor Kovács reassigned YARN-10720: ----------------------------------- Assignee: Qi Zhu (was: Tibor Kovács) > YARN WebAppProxyServlet should support connection timeout to prevent proxy > server from hanging > ---------------------------------------------------------------------------------------------- > > Key: YARN-10720 > URL: https://issues.apache.org/jira/browse/YARN-10720 > Project: Hadoop YARN > Issue Type: Bug > Reporter: Qi Zhu > Assignee: Qi Zhu > Priority: Critical > Fix For: 3.4.0 > > Attachments: YARN-10720.001.patch, YARN-10720.002.patch, > YARN-10720.003.patch, YARN-10720.004.patch, YARN-10720.005.patch, > YARN-10720.006.patch, image-2021-03-29-14-04-33-776.png, > image-2021-03-29-14-05-32-708.png > > > Following is proxy server show, {color:#de350b}too many connections from one > client{color}, this caused the proxy server hang, and the yarn web can't jump > to web proxy. > !image-2021-03-29-14-04-33-776.png|width=632,height=57! > Following is the AM which is abnormal, but proxy server don't know it is > abnormal already, so the connections can't be closed, we should add time out > support in proxy server to prevent this. And one abnormal AM may cause > hundreds even thousands of connections, it is very heavy. > !image-2021-03-29-14-05-32-708.png|width=669,height=101! > > After i kill the abnormal AM, the proxy server become healthy. This case > happened many times in our production clusters, our clusters are huge, and > the abnormal AM will be existed in a regular case. > > I will add timeout supported in web proxy server in this jira. > > cc [~pbacsko] [~ebadger] [~Jim_Brennan] [~ztang] [~epayne] [~gandras] > [~bteke] > -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org