[GitHub] [hadoop-ozone] xiaoyuyao commented on pull request #1149: HDDS-3878. Make OMHA serviceID optional if one (but only one) is defined in the config

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xiaoyuyao commented on pull request #1149:
URL: https://github.com/apache/hadoop-ozone/pull/1149#issuecomment-659766847


   I agree with @elek  that the scope of this change is very limited to where client only has one om service id configured. So accidentally access wrong om cluster when multiple om service ids are defined are not a major issue here. 
   
   There are few case that specify om service id explicitly is helpful even only one om service id is configured. 
   
   The client specifies different configurations to access two clusters (each with only one service id), e.g., DR(distcp). If we don't require explicit om service id in the uri, the only way to differentiate is the name configuration file locations.


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