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
