On very large SVN repository, it might occur that the command to check if we can display the repository tree can be displayed tigger a timeout:
2020/06/05 14:09:34 [error] 14397#0: *161319283 FastCGI sent in stderr: "PHP message: PHP Fatal error: Allowed memory size of 205520896 bytes exhausted (tried to allocate 61709256 bytes) in /usr/share/tuleap/src/common/System/Exception/CommandException.class.php on line 32" while reading response header from upstream, client: 12.34.56.78, server: tuleap-web.tuleap-aio-dev.docker, request: "GET /plugins/svn/?group_id=101&action=display-immutable-tag&repo_id=1 HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "tuleap-web.tuleap-aio-dev.docker/", referrer: "https://tuleap-web.tuleap-aio-dev.docker//plugins/svn/?group_id=101&action=settings&repo_id=1"