Just tried the okular thing mentioned in https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/98783 and when loading a 4.2 MB pdf file, scroll threw it, the mem usage of xorg increases from 37.2M to 119.8M. After closing okular the mem of okular is freed but not from xorg.
Just tried the okular thing mentioned in https:/ /bugs.launchpad .net/ubuntu/ +source/ xorg-server/ +bug/98783 and when loading a 4.2 MB pdf file, scroll threw it, the mem usage of xorg increases from 37.2M to 119.8M. After closing okular the mem of okular is freed but not from xorg.