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Posted to dev@hive.apache.org by "Syed Shameerur Rahman (Jira)" <ji...@apache.org> on 2020/03/26 13:29:00 UTC

[jira] [Created] (HIVE-23085) LLAP: Support Multiple NVMe-SSD disk Locations While Using SSD Cache

Syed Shameerur Rahman created HIVE-23085:
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             Summary: LLAP: Support Multiple NVMe-SSD disk Locations While Using SSD Cache
                 Key: HIVE-23085
                 URL: https://issues.apache.org/jira/browse/HIVE-23085
             Project: Hive
          Issue Type: Improvement
            Reporter: Syed Shameerur Rahman
            Assignee: Syed Shameerur Rahman
             Fix For: 4.0.0


Currently we can configure only one SSD location while using SSD cache in LLAP. This highly undermines the capacity of some machines to use its disk capacity to the fullest. For example *AWS* provides *r5d.4x large* series which comes with *2 * 300 GB NVme SSD disk* with the current design only one of the mounted *NVme SSD* disk can be used for caching. Hence adding support for caching data at multiple ssd mounted locations.



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