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yarn resource manage HA not working
Created 01-27-2017 08:15 PM
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using Ambari I enabled successfully the resource manage HA , but when I see the yarn-site.xml I still see this property as false ?
<property> <name>yarn.resourcemanager.ha.enabled</name> <value>false</value> </property>
Created 01-28-2017 12:32 AM
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1. can you please let us know the version of ambari that you are using ?
2. Also can you check the current value for the same property (yarn.resourcemanager.ha.enabled) on YARN service config page in Ambari ?
3. Can you view the config version that enabled RM HA and check the same property's value ? you can do this from UI and API.
UI: enable-rm-ha.png
API:
http://localhost:8080/api/v1/clusters/c1/configurations/service_config_versions?service_name=YARN&se...
Once you get the response from API, do a lookup for the property value
Created 01-27-2017 08:17 PM
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Please restart your yarn services on the cluster to reflect the changes
Created 01-27-2017 08:27 PM
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I did, I restarted ambari and all the services in ambari , still showing false.
Created 01-30-2017 08:03 PM
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strange , after I installed it second time now its showing as true
Created 01-28-2017 12:32 AM
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1. can you please let us know the version of ambari that you are using ?
2. Also can you check the current value for the same property (yarn.resourcemanager.ha.enabled) on YARN service config page in Ambari ?
3. Can you view the config version that enabled RM HA and check the same property's value ? you can do this from UI and API.
UI: enable-rm-ha.png
API:
http://localhost:8080/api/v1/clusters/c1/configurations/service_config_versions?service_name=YARN&se...
Once you get the response from API, do a lookup for the property value
Created on 01-30-2017 07:09 PM - edited 08-18-2019 05:58 AM
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yarn config menu in Ambari is showing this property as false
Created 01-31-2017 07:19 PM
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can you let us know the value of the property when yarn RM HA was done. This can be achieved by using the API is described in my last comment
I am trying to understand if that yarn property was set to true when RAM HA was done for the very first time and then later got reverted to false OR value of that property was false even when RM HA was completed
We can know that by looking into the property value by using above API as that service config version is created when YARN RM HA is completed.
Also let us know ambari version. It allows us to look into the correct version of ambari code and verify if it's a bug specific to the ambari version that you are using or not.
Created on 01-30-2017 07:13 PM - edited 08-18-2019 05:58 AM
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it does show the secondary name node though and with no errors and the journal nodes