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Posted to hdfs-issues@hadoop.apache.org by "Mukul Kumar Singh (JIRA)" <ji...@apache.org> on 2019/07/02 08:36:00 UTC

[jira] [Created] (HDDS-1749) Ozone Client should randomize the list of nodes in pipeline for reads

Mukul Kumar Singh created HDDS-1749:
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             Summary: Ozone Client should randomize the list of nodes in pipeline for reads
                 Key: HDDS-1749
                 URL: https://issues.apache.org/jira/browse/HDDS-1749
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Client
    Affects Versions: 0.4.0
            Reporter: Mukul Kumar Singh


Currently the list of nodes returned by SCM are static and are returned in the same order to all the clients. Ideally these should be sorted by the network topology and then returned to client.

However even when network topology in not available, then SCM/client should randomly sort the nodes before choosing the replica's to connect.



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