Hi, if you're looking for a way to gather aggregated metrics across multiple instances, the MetricsConsumerBolt may be helpful.
Carl On Wed, Dec 3, 2014 at 7:53 PM, yuhao <[email protected]> wrote: > Hi, > > We have built some topology based on tomdz's storm-epser API on github and > things went fine. > But considering esper engine management, it seems hard to implement it in > storm. Say I need a console where the states of esper engines in the > cluster can be illustrated in diagrams, if one engine instance is > created in every bolt, how am I supposed to get their states? > One way is to send some GetStateRequest to spout, the spout then forwards > the request to some bolt (whose id can be specified in the request), and > the bolt sends the state to, say ZeroQ, which can finally return to the > request sender. Well, it's too complicated, I think. Are there any more > practical suggestions? > > ------------------------------ > Best regards, > > Hao Yu > Center for High-speed Railway Technology, Tsinghua University (CHRT) > Addr: 1117 LiuQing Building, Tsinghua University, Beijing, P.R.CHINA, > 100084 > Fax: 86-10-62788330 > Email：[email protected] >
