I/O performance regression

Description

After upgrading to version 10.0.22, the write performance is MUCH lower than on version 5.5 - attaching CPU graphs (upgrade was at 6:18, downgrade at 21:13) and my.cnf. I'm using two 2 TB drives connected in linux SW RAID1.

Environment

Debian linux, 64bit

Status

Assignee

Axel Schwenke

Reporter

azurit

Labels

None

External issue ID

None

External issue ID

None

Affects versions

10.0.22

Priority

Critical