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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (AMBARI-21606) Ambari Metrics is not responding after upgrade
Date Fri, 04 Aug 2017 18:35:00 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-21606?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114777#comment-16114777
] 

Eric Yang edited comment on AMBARI-21606 at 8/4/17 6:35 PM:
------------------------------------------------------------

IOP 4.2 to Ambari 2.5.2 build 214.  It appears that ams-hbase-env template doesn't get generated.
 In this file, we define HBASE_MANAGES_ZK=false.  Hence, IOP AMS utilize ZooKeeper service,
which has Kerberos enabled.  In HDP, it utilizes embedded ZooKeeper from AMS HBase.  There
is no way to enable Kerberos for embedded ZooKeeper, hence HDP ams hbase is less secure.


was (Author: eyang):
IOP 4.2 to Ambari 2.5.2 build 214.  It appears that ams-hbase-env template doesn't get generated.
 In this file, we define HBASE_MANAGE_ZK=false.  Hence, IOP AMS utilize ZooKeeper service,
which has Kerberos enabled.  In HDP, it utilizes embedded ZooKeeper from AMS HBase.  There
is no way to enable Kerberos for embedded ZooKeeper, hence HDP ams hbase is less secure.

> Ambari Metrics is not responding after upgrade
> ----------------------------------------------
>
>                 Key: AMBARI-21606
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21606
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 2.5.2
>            Reporter: Eric Yang
>            Assignee: Siddharth Wagle
>             Fix For: 2.5.2
>
>
> In ambari-metrics-monitor log file, it shows:
> {code}
> 2017-07-28 20:05:46,577 [WARNING] emitter.py:74 - Error sending metrics to server. 'NoneType'
object has no attribute 'strip'
> 2017-07-28 20:05:46,578 [WARNING] emitter.py:80 - Retrying after 5 ...
> {code}
> Widgets in all services are showing out of date data.  There doesn't seem to be new data
getting into collector.  Collector log files showing no error.



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