https://community.cloudera.com/t5/Support-Questions/YARN-issues-critical-error-quot-ATSv2-HBase-Application-quot/m-p/234659#M196479 <P>@Jay Kumar SenSharma</P><P> Hi Jay Kumar!</P><P>The (# su - yarn-ats -c "/usr/hdp/current/hadoop-yarn-client/bin/yarn app -status ats-hbase") output :</P><P> [root@hadoop anaconda3]# su - yarn-ats -c "/usr/hdp/current/hadoop-yarn-client/bin/yarn app -status ats-hbase"<BR /> 18/10/25 13:18:42 INFO client.RMProxy: Connecting to ResourceManager at <A href="http://hadoop.test.com/xxx.xxx.xxx.xxx:8050">hadoop.test.com/xxx.xxx.xxx.xxx:8050</A><BR /> 18/10/25 13:18:42 INFO client.AHSProxy: Connecting to Application History server at <A href="http://hadoop.test.com/xxx.xxx.xxx.xxx:10200">hadoop.test.com/xxx.xxx.xxx.xxx:10200</A><BR /> 18/10/25 13:18:42 INFO client.RMProxy: Connecting to ResourceManager at <A href="http://hadoop.test.com/xxx.xxx.xxx.xxx:8050">hadoop.test.com/xxx.xxx.xxx.xxx:8050</A><BR /> 18/10/25 13:18:42 INFO client.AHSProxy: Connecting to Application History server at <A href="http://hadoop.test.com/xxx.xxx.xxx.xxx:10200">hadoop.test.com/xxx.xxx.xxx.xxx:10200</A><BR /> 18/10/25 13:18:42 INFO util.log: Logging initialized @1294ms<BR /> ats-hbase Failed : HTTP error code : 500<BR /> [root@hadoop anaconda3]#</P><P><BR />As I understand the service "ats-hbase" is down. To start this service I should follow the instructions given in - <A href="https://docs.hortonworks.com/HDPDocuments/HDP3/HDP-3.0.1/data-operating-system/content/enable_system_service_mode.html">https://docs.hortonworks.com/HDPDocuments/HDP3/HDP-3.0.1/data-operating-system/content/enable_system_service_mode.html</A></P><P>Am I right ? How important this service (ats-hbase) for production ?</P><P> Thank you!</P> Fri, 26 Oct 2018 13:43:44 GMT kubalievzh 2018-10-26T13:43:44Z