[jira] [Created] (HADOOP-18827) RouterObserverReadProxyProvider should respect observer read opt-out via dfs.client.rbf.observer.enabled=false flag.

["Simbarashe Dzinamarira (Jira)" <ji...@apache.org>]

Simbarashe Dzinamarira created HADOOP-18827:
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             Summary: RouterObserverReadProxyProvider should respect observer read opt-out via dfs.client.rbf.observer.enabled=false flag.
                 Key: HADOOP-18827
                 URL: https://issues.apache.org/jira/browse/HADOOP-18827
             Project: Hadoop Common
          Issue Type: Improvement
         Environment: The "dfs.client.rbf.observer.enabled" flag was add to allow a client using IPFailoverProxyProvider to use observer reads with routers.

Now we have implemented the RouterObserverReadProxyProvider which better supported observer reads, i.e performing msync automatically.

In our environment, we still have clients that opted out of observer reads by setting "dfs.client.rbf.observer.enabled=false". The RouterObserverReadProxyProvider should respect the opt-out decision of these clients.
            Reporter: Simbarashe Dzinamarira






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