[wildfly-dev] Disabling parallelism by tweaking java.util.concurrent.ForkJoinPool.common.parallelism

[Emmanuel Hugonnet]

Hi,
Yesterday there was a presentation of the Java8 Stream API at the local JUG.
According to the speaker (Paul Sandoz) parallelism should be disabled in webapps because :
"...a machine serving web requests is usually sized/configured to maximize throughput. If web application code was using parallel streams
then CPU resources would be consumed computing results that could otherwise be used to serve other web requests. A stream computation
running on a fork/join pool will not block, it will try and go as fast as possible using as many resources as possible."

What do you think ?
Emmanuel

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