Some WiKi pages are processed/rendered very slow
Summary
GitLab responds very slow when I open specific WiKi pages. Sometimes GitLab delivers/represents WiKi page only after 30 seconds of waiting. In some cases GitLab responds with 500 or 502 error code. At the moment I experience issues with automatically generated WiKi pages with long tables containing hundreds of URLs.
Steps to reproduce
I have created a similar WiKi page with fake data on the gitlab.com: https://gitlab.com/kutelev/tricky-wiki/wikis/home
When I open this page I have to wait at least 10 seconds for a response. In some cases gitlab.com shows an error page with 500 code.
In my environment I use GitLab CE 11.1.0 which is installed on not very powerful HW, my instance not always capable of showing the same WiKi page especially when it is opened by several people concurrently.
I am not fully sure but seems like WiKi worked faster before recent upgrades.
For comparison I have created a markdown file with the same content on the GitHub: https://github.com/kutelev/tricky-wiki/blob/master/tricky-wiki.md
For me this GitHub page is rendered very fast.
Example Project
As mentioned above here is an example: https://gitlab.com/kutelev/tricky-wiki/wikis/home
What is the current bug behavior?
Some WiKi pages are processed/rendered very slow.
What is the expected correct behavior?
WiKi pages must be processed/rendered fast enough.
Relevant logs and/or screenshots
-
Output of checks
This bug happens on GitLab.com
Results of GitLab environment info
-
Results of GitLab application Check
-
Possible fixes
-