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.

The extension is available at Chrome web store

If you want To install a custom version of 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.