Tom Lane 26a76cb640 Restrict pgbench's zipfian parameter to ensure good performance. ... Remove the code that supported zipfian distribution parameters less than 1.0, as it had undocumented performance hazards, and it's not clear that the case is useful enough to justify either fixing or documenting those hazards. Also, since the code path for parameter > 1.0 could perform badly for values very close to 1.0, establish a minimum allowed value of 1.001. This solution seems superior to the previous vague documentation warning about small values not performing well. Fabien Coelho, per a gripe from Tomas Vondra Discussion: https://postgr.es/m/b5e172e9-ad22-48a3-86a3-589afa20e8f7@2ndquadrant.com		2019-04-01 17:37:34 -04:00
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src	Restrict pgbench's zipfian parameter to ensure good performance.	2019-04-01 17:37:34 -04:00
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