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08-07-2018
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09-20-2018
07:20 AM
How do I integrate Keycloak as identity and access management tool instead of Apache Knox for ambari? Ambari uses AD for external authentication.
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09-06-2018
09:23 PM
When a yarn application is about to run, it needs to send a request for the container allocation. How does it know that it needs certain amount of resource to run in certain amount of time. How do I get that by REST api?
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08-29-2018
06:09 AM
I'm getting bad request as response with message "Attempted to add unknown hosts to a cluster. These hosts have not been registered with the server"
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08-29-2018
05:07 AM
When HDFS does not have enough memory because it is running some other jobs or when the HDFS storage is almost full, When a new Hive queries is requested by a client, how this query is affected in terms of performance? Does adding a new host improve the performance?
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08-21-2018
06:24 AM
In the http://<server>:<port>/api/v1/bootstrap/requestId, the status is SUCCESS , but the new host is not shown in http://<server>:<port>/api/v1/clusters/<clusterName>/hosts
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08-21-2018
05:18 AM
I am trying to install ambari-agent on remote computer which I can ssh without password from server. I followed this link : http://www-01.ibm.com/support/docview.wss?uid=swg22000281 In bootstrap.py userRunAs=null here, If I install with UI, it is usually root. In the /var/log/ambari-server/ambari-server.log.. [Thread-12050] BSRunner:258 - Host= <remote host> bs=/usr/lib/python2.6/site-packages/ambari_server/bootstrap.py requestDir=/var/run/ambari-server/bootstrap/32 user=root sshPort=22 keyfile=/var/run/ambari-server/bootstrap/32/sshKey passwordFile null server=<server> version=2.6.1.5 serverPort=8080 userRunAs=null timeout=300 and in /var/log/ambari-server/ambari-audit.log User(null), RemoteIp(<server>), Operation(User login), Roles(
), Status(Failed), Reason(Authentication required) User(admin), RemoteIp(<server>), Operation(User login), Roles(
Ambari: Ambari Administrator), Status(Success)
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08-17-2018
06:18 AM
I want to add new host running CentOS 7 on vm in windows to cluster. I was able to ssh without any password as 'root' from server to vm and from vm to server. The following error occurs while Running setup agent script... to add new host from ambari INFO:root:BootStrapping hosts ['xx.xx.xxx'] using /usr/lib/python2.6/site-packages/ambari_server cluster primary OS: redhat7 with user 'root'with ssh Port '5555' sshKey File /var/run/ambari-server/bootstrap/1/sshKey password File null using tmp dir /var/run/ambari-server/bootstrap/1 ambari: yy.yy.yyy; server_port: 8080; ambari version: 2.6.1.5; user_run_as: root Bootstrap to host xx.xxx.xx fails because previous action finished with non-zero exit code 255
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08-14-2018
08:24 AM
How do I get the memory usage avg.?
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08-14-2018
04:47 AM
Say, for last 5 minutes what is the cpu usage for 5 minutes averaged across all nodes in the cluster? I can see that in Ambari, but I want information in the given time range and I should be able to get that information with an API call.
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08-07-2018
12:59 PM
I just want to know if there is any new application is running.
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