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From "Dmytro Sen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-19388) PERF: disabling security fails
Date Fri, 06 Jan 2017 10:28:58 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-19388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmytro Sen updated AMBARI-19388:
--------------------------------
    Status: Open  (was: Patch Available)

> PERF: disabling security fails
> ------------------------------
>
>                 Key: AMBARI-19388
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19388
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 2.5.0
>            Reporter: Dmytro Sen
>            Assignee: Dmytro Sen
>            Priority: Critical
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-19388.patch
>
>
> When you are trying to disable security om perf cluster it fails.
> 1) For cluster with 1200 agents it works fine but for cluster with 1850 agents it fails.
> 2) According to what i found, root cause is PUT request to http://<ambari_server_host>:8080/api/v1/clusters/<cluster_name>
with data like "security_type" : "NONE". So, this request trying to change security type from
KERBEROS to NONE and fails by timeout of three minutes.
> 3) Interesting thing, request to change security type fails and UI showing Error on disable
security window. But in the same time in BG operations process which destroying keytabs proceed
work.
> 4) One more thing. After failed disabling kerberos, if you will click restart the same
request(update security type) will finish work in a few seconds.
> So, what we need to do is to connect profiler and find out what exactly take so much
time for request to change security type.



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