When there is no free memory available and swap file exhausted, that is an expected behavior and cannot be fixed. Please provide the diagnostic logs snapshot or at least atop binary record so we could figure out what was the free RAM and space of the swap file for the moment of "fork: Cannot allocate memory" errors
When there is no free memory available and swap file exhausted, that is an expected behavior and cannot be fixed. Please provide the diagnostic logs snapshot or at least atop binary record so we could figure out what was the free RAM and space of the swap file for the moment of "fork: Cannot allocate memory" errors