Benjamin Jakobus created HIVE-5194:
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Summary: Replace vectors with array lists (issue 6)
Key: HIVE-5194
URL: https://issues.apache.org/jira/browse/HIVE-5194
Project: Hive
Issue Type: Sub-task
Reporter: Benjamin Jakobus
Replace vectors with array lists- Vectors synchronized, making them slower than
array lists. Therefore using vectors in circumstances where thread-safety is
not an issue will decrease performance. I wrote some tests that added 9,999,999
integers to a vector: this took 2367 milliseconds. Adding them to an array list
on the other hand took only 934 milliseconds.
6 instances of this optimization can be applied.
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