Re: [Maria-developers] my_hash_sort_bin

Hi, Mark! On Feb 19, MARK CALLAGHAN wrote: > > we realized that the hash function used in my_hash_sort_bin is lousy for > this input: test.sbest1, test.sbtest2, ..., test.sbtest10. The problem is > made worse when a small number of hash buckets is used because the hash > function output doesn't d

[Maria-developers] my_hash_sort_bin

Hello MariaDB, While working with Dmitry Lenev to understand why MySQL 5.6 was slower than 5.1 on one benchmark ( https://www.facebook.com/notes/mysql-at-facebook/my-mysql-is-faster-than-your-mysql/10151250402570933) we realized that the hash function used in my_hash_sort_bin is lousy for this inp