@yassine24, Basic information about how to query and update Service config via python: http://cloudera.github.io/cm_api/docs/python-client/#configuring-services-and-roles Also, I pulled this from the Community ... it shows how to update an hdfs safety valve via REST API: curl -iv -X PUT -H "Content-Type:application/json" -H "Accept:application/json" -d '{"items":[{ "name": "core_site_safety_valve","value": "<property><name>hadoop.proxyuser.ztsps.users</name><value>*</value></property><property><name>hadoop.proxyuser.ztsps.groups</name><value>*</value></property>"}]}' http://admin:admin@10.1.0.1:7180/api/v12/clusters/cluster/services/hdfs/config You can try using the above information to update the safety valve for hbase_service_config_safety_valve . NOTE that when updating the safety valve, what you update will replace what was there. If you want to "add" a property to the safety valve, you need to include all the properties you want as an end result.
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