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Type: Bug
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Resolution: Done
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Priority: Major - P3
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Affects Version/s: 2.5.5
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Component/s: Querying
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Fully Compatible
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ALL
Unindexed distinct queries are slower in 2.6 WRT 2.4, and this is noticeable both in single-threaded and multi-threaded tests I ran. An easy (single-threaded) way to reproduce it can be found attached.
27fb434eaebc35646cdadf7acac562aa47c06ac8 (HEAD as per today) output:
connecting to: test Trial number: 0 1608 Trial number: 1 1603 Trial number: 2 1678 Trial number: 3 1604 Trial number: 4 1597
2.4.9 output:
connecting to: test Trial number: 0 1273 Trial number: 1 1272 Trial number: 2 1269 Trial number: 3 1271 Trial number: 4 1266