Hi, In the fact, i need to transfer content with flowfiles on the local node, not only attributs. I will take a look at flowfile stream packing for sendind flowfile by a cache folder, not efficient but it could do the trick.
reallly thanks for your answer. ML Le 2024-11-01T16:43:12.000+01:00, <stephen.hindma...@bt.com> a écrit : > Hi ML, > > Once you have created your message flow file as Mark suggests you could use >an external method to pass the file from the sending to the receiving group. >These may be simpler to manage than S2S depending on your use case. > > One simple option would be to use a PutFile and GetFile combination, using >the local disk. Another would be to use a messaging system such as Kafka to >publish the flow file to a topic that the receiver is consuming. > > Regards > > Steve Hindmarch > > -----Original Message----- > > From: Mark Payne <marka...@hotmail.com> > > Sent: 01 November 2024 15:07 > > To: users@nifi.apache.org; Maxime Lézier <maxime.lez...@ik.me> > > Subject: Re: Flowfile transfer without relationship > > Hey ML, > > There’s not really a straight-forward way to do what you’re asking. You’d >essentially need to create Output Ports to allow the FlowFile to move up the >stack of Process Groups and then into the neighboring Process Group (and >potentially back down that other stack). The alternative, as you noted, would >be using Site-to-Site but that does have the overhead of sending the FlowFIle >over the network, and potentially to a different node in your cluster. > > Now, given that you do not need the content of the FlowFile but rather the >“fact of” an option that might make sense for you would be to use a >ReplaceText processor, configured with a Replacement Strategy of “Always >Replace” and a replacement value of an empty string. This would essentially >remove the content of the FlowFile, which means that sending over site-to-site >would be far less resource intensive. Again, it may push the FlowFile to >another node in the cluster, but depending on your requirements may be worth >considering. > > Thanks > > -Mark > >> On Nov 1, 2024, at 5:54 AM, Maxime Lézier via users >> <users@nifi.apache.org> wrote: >> >> Hello, >> >> On one node from a cluster, I’d like to transfer flowfiles >> between two processors which are not in the same process group. >> >> The process group are not localized in the same zone on my canvas >> and I’d like to avoid multiple relationship (imbrication of >> process group) for sending flowfile from one processor to target >> processor. >> >> I tried with s2s but the content is pushed, and make not >> necessary network pressure on the s2s port. >> >> All I want is to push only the flowfile reference from one >> processor to target processor without “physical” relationship. >> The target processor could continue to work on the flowfile like >> if it were the source processor continuity. >> >> This push is only on the node which execute the pipeline, no >> transfer between node of the cluster. >> >> Is there a way to achieve this ? >> >> Thanks >> >> ML
