Github user ajbozarth commented on the pull request:
https://github.com/apache/spark/pull/10910#issuecomment-174752438
I spent some time looking into ways to use javascript to load the content
rather than use a page refresh and all the solutions I found required that the
file has to be available on the web-server itself, which is very difficult to
do with a continuously updating log file.
Instead I implemented a alteration to the current pagination that adds to
the top (or bottom) of the log a page at a time rather than limiting you to
read only a page at a time. By setting the scroll starting location at page
load this simulates an infinite scroll even though the page is re-loading.
I also set the log to scroll to the bottom on initial page load.
Given this is inspired by but not exactly the original jira and does
distinctly change the use of this page I would love to get peoples opinions on
it's usability, look and feel, and if it's worth the change at all.
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