This week's book giveaway is in the Reactive Progamming forum. We're giving away four copies of Reactive Streams in Java: Concurrency with RxJava, Reactor, and Akka Streams and have Adam Davis on-line! See this thread for details.
In my work we are using jasper reports since a while. But we have been going through some performance issues because of using jasper to generate some reports. So, i was wondering if change those reports to jxls, i'll improve the performance.