Hello
Currently i'm facing the following problems.
1. i install apache ambari 2.7.3 in 1 node machine (which serve as both master and slave)
2. without gpu enabled, everything work file . you can see the following pdf for detail
Ambari - gpu01_good.pdf
3. but after i enable gpu support through yarn config. yarn omit 3 error messages as follow
Ambari - gpu01_bad.pdf
# NodeManager Health
Connection failed to http://gpu01:8042 (<urlopen error [Errno 111] Connection refused>)
# NodeManager Web UI
Connection failed to http://gpu01:8042/ws/v1/node/info (Traceback (most recent call last):
File "/var/lib/ambari-agent/cache/stacks/HDP/3.0/services/YARN/package/alerts/alert_nodemanager_health.py", line 171, in execute
url_response = urllib2.urlopen(query, timeout=connection_timeout)
File "/usr/lib/python2.7/urllib2.py", line 154, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python2.7/urllib2.py", line 429, in open
response = self._open(req, data)
File "/usr/lib/python2.7/urllib2.py", line 447, in _open
'_open', req)
File "/usr/lib/python2.7/urllib2.py", line 407, in _call_chain
result = func(*args)
File "/usr/lib/python2.7/urllib2.py", line 1228, in http_open
return self.do_open(httplib.HTTPConnection, req)
File "/usr/lib/python2.7/urllib2.py", line 1198, in do_open
raise URLError(err)
URLError: <urlopen error [Errno 111] Connection refused>
)
# Percent NodeManagers Available
affected: [1], total: [1]
The message say that port 8042 is refused but a quick check show that there isn't any process that occupy port 8042
Please help me.
hadoop@gpu01:~$ sudo netstat -tnlpa | grep 8042
[sudo] password for hadoop:
hadoop@gpu01:~$
