GitHub user acseidel opened a pull request: https://github.com/apache/storm/pull/2715
STORM-3102 Remove check for partition offset before every emit. IN kafka >0.10.2 this check became expensive, causing large performance decreases. You can merge this pull request into a Git repository by running: $ git pull https://github.com/acseidel/storm bugfix/STORM-3102-kafka-client-performance-storm-1.1.x Alternatively you can review and apply these changes as the patch at: https://github.com/apache/storm/pull/2715.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #2715 ---- commit a3859f759a7592a9db5e6bf0a8f97aa932320bf8 Author: Andy Seidel <andy@...> Date: 2018-06-13T18:29:07Z STORM-3102 Remove check for partition offset before every emit. IN kafka >0.10.2 this check became expensive, causing large performance decreases. ---- ---