Patrick Cronin

This code was confusing because it sets `err` even when `closeErr` is `nil`. The PR suggests a modification to clarify the behavior. Alternatively, perhaps adding a comment would be sufficient.

I figured it'd be good to add my results to your list. My results seem strange though, with the maximum throughput resulting from usage of 2 cores. Interestingly, using 4...

We want the default version of picture pages to be indexed by search engines according to the canonical link, and we want to make sure non-default versions of each page...