This was found by the regression test suite. While we had a nice improvement in connect performance in MariaDB 10.2, a lot of that was lost between 10.3.0 and 10.3.1.
#Workload: connect; select 1; disconnect;
|
#numbers: connects per second (bigger=better)
|
#
|
#thread count 1 8 16 32 64 128 256
|
...
|
mariadb-10.2.10 9740.9 70063 115054 132711 131760 128702 123058
|
mariadb-10.2.11 9198.6 70738 114843 132299 131002 128688 122573
|
mariadb-10.3.0 8733.6 69989 112238 121092 120087 119833 114413
|
mariadb-10.3.1 8479.1 59291 80954 81046 80629 80344 79407
|
mariadb-10.3.2 8439.2 60418 81373 81412 80924 80519 80056
|
mariadb-10.3.3 8953.7 43717 80714 80412 78967 78009 75566
|
mariadb-10.3.4 8939.6 48065 80113 79996 78368 78175 74769
|
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Bug
Critical