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Posted to dev@hive.apache.org by "Karen Coppage (Jira)" <ji...@apache.org> on 2020/06/04 06:33:00 UTC

[jira] [Created] (HIVE-23608) Change an FS#exists call to FS#isFile call in AcidUtils

Karen Coppage created HIVE-23608:
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             Summary: Change an FS#exists call to FS#isFile call in AcidUtils
                 Key: HIVE-23608
                 URL: https://issues.apache.org/jira/browse/HIVE-23608
             Project: Hive
          Issue Type: Improvement
            Reporter: Karen Coppage
            Assignee: Karen Coppage


Currently S3AFileSystem#isFile and S3AFileSystem#exists have the same implementation. HADOOP-13230 will optimize S3AFileSystem#isFile by only doing a HEAD request for the file; no need for a LIST probe for a directory (isDir will do that). S3AFileSystem#exists will still need both.

This and HIVE-23533 will get rid of the last exists() calls in AcidUtils.



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