| Steps to reproduce: Unclear, will try to find proper reproductions steps/a load test later. The key conditions seem to be a high write load on the security cache, caused, e.g., by a lot of notifications being dispatched with a high user count which causes rights checks for all of them whose results are inserted into the security cache. At the same time, a high number pages are viewed and some pages are modified, causing invalidations in the security cache. Expected result: Accessing pages, in particular pages that are frequently visited, is still fast. Actual result: Loading any page takes 20-30 seconds. |
