Local mode is really only intended to make developing and testing of Storm components easier by approximating the behavior of a real cluster locally. And it is certainly not meant for production.
You should see better resource utilization when you deploy to a real cluster. - Taylor On Mar 4, 2014, at 1:17 PM, shahab <[email protected]> wrote: > Hi, > > We are running Storm in Local Mode (local cluster) on Ubuntu. While running > Storm (consisting of 9 tasks across,w e have 8 Spout/Bolts, and except one > Bolt which is set for two tasks all others set to run only one task), we > also monitored CPU and Core usage using "htop". > We noticed that despite of heavy loads of Bolts, only ONE core is buys > (almost 100%) while others are never used ( by Storm ?). > > We just wonder if there is anything wrong in our settings or this is the > expected behavior of Storm in Local Mode? > > best, > /Shahab
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