@Jay Kumar SenSharma if i want to configure a data lake for business intelligence, what i have to use, HDP or HDF? ... View more

thanks @Jay Kumar Sen Sharma, i have another question, which are the minimal characteristics if i want to configure a hadoop cluster with ambari on a only one server(hardware characteristics of the server) ... View more

thanks @Akhil S Naik i believe that the error was resolved ... View more

when enter: [root @ asnaikh ~] # cat /var/log/ambari-agent/ambari-agent.log | grep -i latido del corazón -> INFO 2018-08-21 08:58:29,074 HeartbeatHandlers.py:84 - Ambari-agent received 15 signal, stopping... INFO 2018-08-21 08:58:29,890 HeartbeatHandlers.py:116 - Stop event received INFO 2018-08-21 08:58:29,890 Controller.py:503 - Finished heartbeating and regis tering cycle INFO 2018-08-21 09:44:03,002 HeartbeatHandlers.py:84 - Ambari-agent received 15 signal, stopping... INFO 2018-08-21 09:44:12,704 HeartbeatHandlers.py:116 - Stop event received INFO 2018-08-21 09:53:12,898 HeartbeatHandlers.py:84 - Ambari-agent received 15 signal, stopping... INFO 2018-08-21 09:53:15,992 HeartbeatHandlers.py:116 - Stop event received INFO 2018-08-21 10:42:50,625 HeartbeatHandlers.py:84 - Ambari-agent received 15 signal, stopping... INFO 2018-08-21 10:42:52,086 HeartbeatHandlers.py:116 - Stop event received INFO 2018-08-21 10:53:41,375 HeartbeatHandlers.py:84 - Ambari-agent received 15 signal, stopping... INFO 2018-08-21 10:53:44,646 HeartbeatHandlers.py:116 - Stop event received ... View more

Hi @Akhil S Naik i just found this: [root@maestro ~]# systemctl status ambari-server ● ambari-server.service - LSB: ambari-server daemon Loaded: loaded (/etc/rc.d/init.d/ambari-server; bad; vendor preset: disabled) Active: failed (Result: exit-code) since Tue 2018-08-21 10:48:01 EDT; 1min 22s ago Docs: man:systemd-sysv-generator(8) Process: 24652 ExecStart=/etc/rc.d/init.d/ambari-server start (code=exited, status=1/FAILURE) Aug 21 10:48:01 maestro.hdp.com systemd[1]: Starting LSB: ambari-server daem.... Aug 21 10:48:01 maestro.hdp.com ambari-server[24652]: Using python /usr/bin/... Aug 21 10:48:01 maestro.hdp.com ambari-server[24652]: Starting ambari-server Aug 21 10:48:01 maestro.hdp.com ambari-server[24652]: ERROR: Exiting with exi... Aug 21 10:48:01 maestro.hdp.com ambari-server[24652]: REASON: Ambari Server i... Aug 21 10:48:01 maestro.hdp.com systemd[1]: ambari-server.service: control p...1 Aug 21 10:48:01 maestro.hdp.com systemd[1]: Failed to start LSB: ambari-serv.... Aug 21 10:48:01 maestro.hdp.com systemd[1]: Unit ambari-server.service enter.... Aug 21 10:48:01 maestro.hdp.com systemd[1]: ambari-server.service failed. Hint: Some lines were ellipsized, use -l to show in full. the same with the ambari-agent ... View more

when i enter : /usr/sbin/hst agent-status get "registered", what is the commando to restart the hst server ... View more

i found the error: WARNING 2018-08-20 16:32:40,475 base_alert.py:138 - [Alert][smartsense_gateway_status] Unable to execute alert. [Alert][smartsense_gateway_status] Unable to extract JSON from JMX response ERROR 2018-08-20 16:32:40,481 script_alert.py:123 - [Alert][yarn_nodemanager_health] Failed with result CRITICAL: ['Connection failed to http://esclavo.hdp.com:8042/ws/v1/node/info (Traceback (most recent call last):\n File "/var/lib/ambari-agent/cache/common-services/YARN/2.1.0.2.0/package/alerts/alert_nodemanager_health.py", line 171, in execute\n url_response = urllib2.urlopen(query, timeout=connection_timeout)\n File "/usr/lib64/python2.7/urllib2.py", line 154, in urlopen\n return opener.open(url, data, timeout)\n File "/usr/lib64/python2.7/urllib2.py", line 431, in open\n response = self._open(req, data)\n File "/usr/lib64/python2.7/urllib2.py", line 449, in _open\n \'_open\', req)\n File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain\n result = func(*args)\n File "/usr/lib64/python2.7/urllib2.py", line 1244, in http_open\n return self.do_open(httplib.HTTPConnection, req)\n File "/usr/lib64/python2.7/urllib2.py", line 1214, in do_open\n raise URLError(err)\nURLError: <urlopen error [Errno 111] Connection refused>\n)'] ERROR 2018-08-20 16:32:40,481 script_alert.py:123 - [Alert][yarn_nodemanager_health] Failed with result CRITICAL: ['Connection failed to http://esclavo.hdp.com:8042/ws/v1/node/info (Traceback (most recent call last):\n File "/var/lib/ambari-agent/cache/common-services/YARN/2.1.0.2.0/package/alerts/alert_nodemanager_health.py", line 171, in execute\n url_response = urllib2.urlopen(query, timeout=connection_timeout)\n File "/usr/lib64/python2.7/urllib2.py", line 154, in urlopen\n return opener.open(url, data, timeout)\n File "/usr/lib64/python2.7/urllib2.py", line 431, in open\n response = self._open(req, data)\n File "/usr/lib64/python2.7/urllib2.py", line 449, in _open\n \'_open\', req)\n File "/usr/lib64/python2.7/urllib2.py", line 409, in _call_chain\n result = func(*args)\n File "/usr/lib64/python2.7/urllib2.py", line 1244, in http_open\n return self.do_open(httplib.HTTPConnection, req)\n File "/usr/lib64/python2.7/urllib2.py", line 1214, in do_open\n raise URLError(err)\nURLError: <urlopen error [Errno 111] Connection refused>\n)'] but i don't know how sresolve it ... View more

this is the answer from ambari-agent.log: INFORMACIÓN 2018-08-20 16: 25: 11,790 main.py:147 - loglevel = logging.INFO INFO 2018-08-20 16: 25: 11,790 main.py:147 - loglevel = logging.INFO INFO 2018-08-20 16: 25: 11.790 main.py:147 - loglevel = logging.INFO INFO 2018-08-20 16: 25: 11.792 DataCleaner.py:39 - Se inició el hilo de limpieza de datos INFO 2018-08-20 16: 25: 11.793 DataCleaner. py: 120 - Se inició la limpieza de datos INFO 2018-08-20 16: 25: 11.794 DataCleaner.py:122 - Limpieza de datos finalizada INFO 2018-08-20 16: 25: 11.794 hostname.py:67 - agent: hostname_script configuration no defined por lo tanto, lea el nombre de host 'esclavo.hdp.com' usando socket.getfqdn (). INFORMACIÓN 2018-08-20 16: 25: 11,799 PingPortListener.py:50 - Escucha de puerto de ping iniciada en el puerto: 8670 INFO 2018-08-20 16: 25: 11,802 main.py:439 - Conexión al servidor Ambari en https: / /maestro.hdp.com:8440 (10.137.44.53) INFORMACIÓN 2018-08-20 16: 25: 11,802 NetUtil.py:70 - Conexión a https: //maestro.hdp.com:8440/ca INFO 2018-08-20 16: 25: 11,874 main.py:449 - Conectado al servidor de Ambari maestro.hdp.com INFO 2018-08-20 16: 25: 11,875 threadpool. py: 58 - Grupo de subprocesos iniciado con 3 subprocesos principales y 20 subprocesos máximos ADVERTENCIA 2018-08-20 16: 25: 11,876 AlertSchedulerHandler.py:280 - [AlertScheduler] / var / lib / ambari-agent / cache / alerts / definitions. json no encontrado o inválido. No se programarán alertas hasta que se realice el registro. INFORMACIÓN 2018-08-20 16: 25: 11,876 AlertSchedulerHandler.py:175 - [AlertScheduler] Iniciando el objeto <ambari_agent.apscheduler.scheduler.Scheduler en 0x7fa4efe427d0>; actualmente en ejecución: False INFO 2018-08-20 16: 25: 13,926 hostname.py:106 - Leer el nombre de host público 'esclavo.hdp.com' usando socket.getfqdn () INFO 2018-08-20 16: 25: 13,930 Hardware. py: 68 - Inicializando la información del sistema host. INFORMACIÓN 2018-08-20 16:25:14, 015 Hardware.py:188 - Se ignoraron algunos puntos de montaje: / dev / shm, / run, / sys / fs / cgroup, / run / user / 0 INFO 2018-08-20 16: 25: 14,074 hostname.py:67 - agent: configuración de hostname_script no definida, por lo tanto, lea el nombre de host 'esclavo.hdp.com' usando socket.getfqdn (). INFO 2018-08-20 16: 25: 14,079 Facter.py:202 - Directorio: '/ etc / resource_overrides' no existe - no se usará para reunir recursos del sistema. yo dont'n sure what is the probelm ... View more