Github user ptgoetz commented on the issue:
https://github.com/apache/storm/pull/2203
@HeartSaVioR @revans2
One obvious optimization worth trying is replacing `String.format()` with a
`StringBuilder`. `String.format()` is cleaner visually, but much slower.
I'll make that change and see where it gets us. I'm open to any additional
ideas as well.---
