About vpoornalingam

vpoornalingam · ‎05-09-2016

I suspect that hbase is not correctly installed. When you go to /usr/hdp/current/hbase*/lib, do you find jar files? could you please list them?

vpoornalingam · ‎05-09-2016

@Raghu Ramamoorthi When you try to start Hbase manually, the classpath needs to be correctly set. In this case it looks like the classpath for hbase is not correctly set. You could review hbase-env in Ambari Hbase configs to check what you need to set before actually running the command manually. Or /etc/hbase/conf/hbase-env.sh in the node where hbase is installed. We should focus on the reason for the Hbase to go down after you start from Ambari. Please check /var/log/hbase/hbase*master*log to check why it failed after the service start up came up good. That would help in resolving your issue.

vpoornalingam · ‎04-14-2016

@Kuldeep Kulkarni Yes - we could run "ambari-server setup-security" and select the option for Encryption. Ambari Encrypt passwords Its better to use Ambari 2.2 or above, wherein clear text passwords are taken care of.

vpoornalingam · ‎04-13-2016

@Andrew Watson You could put up a script to check for the services and restart them for this period. But as @Sagar Shimpi pointed out, you might have to take care of some of the services. Also ensure that dependent HDP dependent components like Java / Python are not upgraded during this patching. If they are to be, it needs to be tested ahead.

vpoornalingam · ‎04-13-2016

Also, it is important to take a backup of the Ambari database before doing any API add/delete service operations.

vpoornalingam · ‎04-11-2016

@Roberto Sancho Does this host lnxbigO4.cajarural.gcr exist at all? Could you please invoke the following URL and check for existence of this node and the services running on them: http://:8080/api/v1/clusters//hosts>:8080/api/v1/clusters/<cluster_name>/hosts Then drill down on this host to check the services installed. If ATS is listed here, copy the URL, ensure that it really is not required and invoke an appropriate API to delete the service as listed in the Ambari Cwiki page Is this a test cluster? if so, please obtain the following from ambari db: select hostname from hosts; select * from hostcomponentstate; select * from hostcomponentdesiredstate; Thanks & Rgds Venkat

vpoornalingam · ‎04-08-2016

@Arvind Kandaswamy Is this resolved?

vpoornalingam · ‎04-08-2016

@Arvind Kandaswamy As long as you have a folder called /local in the node where you are installing file:///local/var/lib/ambari-metrics-collector/hbase is a good value for hbase.rootdir. You can ignore the error and proceed. But please note that AMS might be writing loads of data - so it's always better to keep it away from datanode locations.

vpoornalingam · ‎04-07-2016

What do you see in /var/log/ambari-agent/ambari-agent.out ?

vpoornalingam · ‎03-31-2016

Quite a few tasks are failing with errors similar to the following: 2016-03-31 15:29:48,526 - Task. Type: EXECUTE, Script: scripts/ru_set_all.py - Function: actionexecute Traceback (most recent call last): File "/var/lib/ambari-agent/cache/custom_actions/scripts/ru_set_all.py", line 26, in <module> from resource_management.libraries.script import Script File "/usr/lib/python2.6/site-packages/resource_management/__init__.py", line 23, in <module> from resource_management.libraries import * File "/usr/lib/python2.6/site-packages/resource_management/libraries/__init__.py", line 23, in <module> from resource_management.libraries.functions import * File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/__init__.py", line 25, in <module> from resource_management.libraries.functions.default import * File "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/default.py", line 24, in <module> from resource_management.libraries.script import Script File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/__init__.py", line 23, in <module> from resource_management.libraries.script.script import * File "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py", line 32, in <module> from ambari_commons.constants import UPGRADE_TYPE_NON_ROLLING, UPGRADE_TYPE_ROLLING ImportError: cannot import name UPGRADE_TYPE_NON_ROLLING Any pointers? I'm upgrading from HDP 2.2.9 to HDP 2.4 using Ambari 2.2.1.1

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