[MDEV-5333] Single-threaded performance regressions Created: 2013-11-25  Updated: 2014-11-07

Status: Stalled
Project: MariaDB Server
Component/s: None
Affects Version/s: 5.1.67, 5.2.14, 5.3.12, 5.5.37, 10.0.10
Fix Version/s: 10.1

Type: Bug Priority: Major
Reporter: Kristian Nielsen Assignee: Kristian Nielsen
Resolution: Unresolved Votes: 1
Labels: None


 Description   

Single-threaded performance has steadily decreased over the years.

Let's use `perf` and other tools to analyse where performance can be improved and try to get back to 4.0 single-threaded performance or better.



 Comments   
Comment by Sergei Golubchik [ 2013-11-25 ]

possibly related blog posts:
http://mysqlha.blogspot.com/2013/09/mysql-41-forever.html
http://mysqlha.blogspot.com/2013/09/single-threaded-connect-performance.html
http://mysqlha.blogspot.com/2013/09/mysql-572-single-threaded-performance.html
http://mysqlha.blogspot.com/2013/05/mysql-56-single-threaded-performance.html
http://mysqlha.blogspot.com/2013/05/mysql-56-versus-40-for-read-only.html
http://mysqlha.blogspot.com/2013/04/mysql-56-single-thread-update-only.html
http://mysqlha.blogspot.com/2013/03/mysql-56-single-threaded-read-only.html

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