Johannes Simon created YARN-2123:

             Summary: Progress bars in Web UI always at 100% (likely due to 
non-US locale)
                 Key: YARN-2123
             Project: Hadoop YARN
          Issue Type: Bug
          Components: webapp
    Affects Versions: 2.3.0
            Reporter: Johannes Simon
            Priority: Minor

In our cluster setup, the YARN web UI always shows progress bars at 100% (see 
screenshot, progress is roughly at 32.82%). I opened the HTML source code to 
check (also see screenshot), and it seems the problem is that it uses a comma 
as decimal mark, where most browsers expect a dot for floating-point numbers. 
This could possibly be due to localized number formatting being used in the 
wrong place, which would also explain why this bug is not always visible.

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