You need to share sessions between the web servers. See https://github.com/DOMjudge/domjudge/wiki/Scaling-and-load-testing
Nicky On 31 Oct 2020, 11:50 +0100, Tran Binh Duong (FE FPTU HN) DuongTB@fe.edu.vn, wrote:
Hi all,
Our contestants feedback about the error as follow: “Invalid CSRF token”, moreover contestants were frequently experienced with kicking out phenomenon and very hard to log back into the system.
Our configuration is briefly depicted as follow:
/ domserver 1 \ Client ——> HW load balancer < >== Mysql DB \ domserver 2 /
Please give me some advice to solve the issue.
Trần Bình Dương (Mr) IT Lecturer Software Engineering Department , FPT University 29th Kilometer Thang Long Boulevard, Thach Hoa commune, Thach That Province, Education and Training Area, Hoa Lac High Tech Park, Ha Noi Mobile:(+84) 936168165 Skype: avn_duong.tb E-mail: duongtb@fe.edu.vn Website: ....
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