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Using the current time as an ID is more prone to clashes than people generally realize, so try to make things a bit more unique without necessarily using a UUID, which would eat too much space in the names otherwise. The implemented approach uses some bits from the current time, plus some random bits, which should be more resistant to clashes. Closes #23805 from vanzin/SPARK-26420. Authored-by: Marcelo Vanzin <vanzin@cloudera.com> Signed-off-by: Dongjoon Hyun <dhyun@apple.com> |
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