This little chrome add-on collapses comments from the Hadoop QA and Hudson users on Apache JIRA
Custom users can be added in the extension's Options.
To install the extension, first clone this repo locally. Next open Chrome's Extensions manager. (Click on the three dots in the upper right and choose More Tools->Extensions from the menu.) In the Extensions manager check the box for "Developer Mode," then press the "Load unpacked extension..." button. Browse to the location of the repo and press the "Select" button.