that really helps，thx a lot 在 2014年7月5日，下午8:35，Eugene <[email protected]> 写道：
> The best tool for topology tuning is Storm UI. Here you can learn your > process latency and capacity of your storm components. > Start with some baseline, for example, having all parallelism setting to 1. > Then gradually increase parallelism until you see capacity numbers well below > 1.0. > In general, try to increase number of executors first, before increasing > number of workers. When increasing number of executors (threads) does not > give any > improvements, then start adding additional workers. Also, if your components > more IO bound then increasing number of task helps as well. > > In addition to Storm UI,and resources Francesco pointed out, you can use > storm metrics API to send data to graphite. > http://www.michael-noll.com/blog/2013/11/06/sending-metrics-from-storm-to-graphite/ > > Upcoming book, Storm Applied has a chapter about tuning Storm (chapter 6). > > Thanks > Eugene Dvorkin > > > > > > > > On Sat, Jul 5, 2014 at 7:19 AM, <[email protected]> wrote: > i ' ve found some good advices reading these articles > > http://www.michael-noll.com/blog/2013/06/21/understanding-storm-internal-message-buffers/ > > http://www.michael-noll.com/blog/2012/10/16/understanding-the-parallelism-of-a-storm-topology/ > > > > > > Il 2014-07-05 12:12 唐思成 ha scritto: > >> everyone, do you have some best practice or pattern for tunning the storm >> cluster, like how to set the number of workers, the numbers of spout and >> bolts, etc.. >> Any advice is welcome. >> >> 2014-07-05 >> 唐思成 > > > > > > -- > Eugene Dvorkin > Software Engineer > New York City Storm User Group - organizer > WebMD > email: [email protected] > phone: 646-250-9649 > eugenedvorkin.com > Connect with me on: > LinkedIn Twitter
