[jira] [Created] (HDDS-1112) Add a ozoneFilesystem related api's to OzoneManager to reduce redundant lookups

["Mukul Kumar Singh (JIRA)" <ji...@apache.org>]

Mukul Kumar Singh created HDDS-1112:
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             Summary: Add a ozoneFilesystem related api's to OzoneManager to reduce redundant lookups
                 Key: HDDS-1112
                 URL: https://issues.apache.org/jira/browse/HDDS-1112
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: Ozone Filesystem
    Affects Versions: 0.4.0
            Reporter: Mukul Kumar Singh
            Assignee: Mukul Kumar Singh
             Fix For: 0.4.0


With the current OzoneFilesystem design, most of the lookups while create happens via that getFileStatus api, which inturn does a getKey or a list Key for the keys in the Ozone bucket. 

In most of the cases, the files do not exists before creation, and hence these lookups corresponds to wasted time in lookup. This jira proposes to optimize the "create" and "getFileState" api in OzoneFileSystem by introducing OzoneFilesystem friendly apis in OM.



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