Alexander Kolbasov created HIVE-17953:
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Summary: Metrics should move to destination atomically
Key: HIVE-17953
URL: https://issues.apache.org/jira/browse/HIVE-17953
Project: Hive
Issue Type: Bug
Components: Hive
Affects Versions: 3.0.0
Reporter: Alexander Kolbasov
Assignee: Alexander Kolbasov
HIVE-17563 reimplemented metrics using native nio interfaces. It used the
assumption that{{Files.move()}} is atomic operation. It turns out that by
default it isn't, unless {{ATOMIC_MOVE}} option is specified. Otherwise the
destination file is unlinked and then the source file is copied.
This may cause test failure since the file may be temporarily unavailable.
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