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From Meghavi Sugandhi <meghavi.sugan...@tcs.com>
Subject Re: Graphs and HeatMaps are Not Visible on Ambari Web-UI
Date Tue, 10 Jun 2014 05:46:11 GMT


Hi Sid,

Thanks for reply.

All rrd files related to Namenode, HBase, Mapreduceare are being written to /var/lib/ganglia/rrds/

I cant disable SELinux. Because disabling it requires rebooting of system.

Is there any other way which can handle this issue.

Few graphs that of hbase are visible but that of HDFS and YARN Mapreduce are Not Displyed


Thanks & Regards,
Meghavi Sugandhi
Tata Consultancy Services
Mailto: meghavi.sugandhi@tcs.com
Website: http://www.tcs.com

-----Siddharth Wagle <swagle@hortonworks.com> wrote: -----
To: "user@ambari.apache.org" <user@ambari.apache.org>
From: Siddharth Wagle <swagle@hortonworks.com>
Date: 06/09/2014 11:45PM
Subject: Re: Graphs and HeatMaps are Not Visible on Ambari Web-UI

Hi Meghavi,

Are you able to obtain metrics data by turning off SELinux temporarily on Ganglia host ?

Also, are rrd files being written to /var/lib/ganglia/rrds/ ?
 
-Sid



On Mon, Jun 9, 2014 at 4:19 AM, Meghavi Sugandhi <meghavi.sugandhi@tcs.com> wrote:
  
Hello,

I am using Ambari 1.4.4.
 I have installed it successfully and all services are up and running
But I am not able to view few graphs and heatmaps
I am getting following error in /var/log/messeges-->

Jun  9 15:40:59 INBBRDSSVM50 setroubleshoot: SELinux is preventing /usr/bin/python from getattr
access on the file /var/lib/ganglia/rrds/HDPNameNode/INBBRDSSVM50/rpcdetailed.rpcdetailed.RegisterDatanodeNumOps.rrd.
For complete SELinux messages. run sealert -l 62ff979d-6c24-4a58-8a1b-c463f6b34533
 Jun  9 15:41:00 INBBRDSSVM50 setroubleshoot: SELinux is preventing /usr/bin/python from
read access on the file /var/lib/ganglia/rrds/HDPSlaves/__SummaryInfo__/dfs.datanode.BytesWritten.rrd.
For complete SELinux messages. run sealert -l 3dbb1d53-e603-490b-9395-6166581428e3
 Jun  9 15:41:01 INBBRDSSVM50 setroubleshoot: SELinux is preventing /usr/sbin/httpd from
getattr access on the file /var/nagios/status.dat. For complete SELinux messages. run sealert
-l f693d59d-37b4-489e-837b-eb6b79375298
 Jun  9 15:41:02 INBBRDSSVM50 setroubleshoot: SELinux is preventing /usr/sbin/httpd from
read access on the file /var/nagios/status.dat. For complete SELinux messages. run sealert
-l a7ea6343-d141-4d9f-bf35-8930130ac881
 Jun  9 15:41:48 INBBRDSSVM50 setroubleshoot: SELinux is preventing /usr/bin/python from
getattr access on the file /var/lib/ganglia/rrds/HDPResourceManager/INBBRDSSVM50/load_one.rrd.
For complete SELinux messages. run sealert -l 62ff979d-6c24-4a58-8a1b-c463f6b34533
 
SElinux is in Permissive mode

and owner of /var/nagios
drwxr-xr-x.  4 nagios nagios 4096 Jun  9 15:52 nagios

and owner of /var/lib/ganglia/rrds is nobody:nobody
drwxr-xr-x. 7 nobody nobody 4096 Jun  6 11:50 rrds
 
Thanks & Regards,
Meghavi Sugandhi
Tata Consultancy Services
Mailto: meghavi.sugandhi@tcs.com
Website: http://www.tcs.com
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