Take a look at https://github.com/ptgoetz/storm-signals , it's using ZooKeeper under the hood.
On Fri, Mar 7, 2014 at 4:38 AM, James Xu <[email protected]> wrote: > A can send a message to B: “I am ready!” > B only trigger A when A is ready. > > On 2014年3月7日, at 下午5:35, Klausen Schaefersinho <[email protected]> > wrote: > > > Hi, > > > > I have an topology where I have a really long running task in one bolt, > lets call it A. This bolt is triggered by some other bolt B every 100k > events or so. However the processing can take very long, so I would not > want B to trigger A if it is not done. Is there any best practice to > synchronize the bolts? > > > > As an Alternative I could image Bolt A sleeping for some time and then > doing his work and sleeping again. Is there any confy way how I could build > this in storm without relying on Threads and sleeps? > > > > Cheers, > > > > KLaus > > -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
