The only items that we set are:

Remote Process Groups:
  URLs ...
  Transport Protocol: HTTP
   Communication Timeout: 60 sec
   Yield Duration: 2 sec

Input Ports
Concurrent Tasks: 7
Batch Settings
   Count: 2000
   Size: 1000MB
   Duration: not set

On Tue, Oct 2, 2018 at 3:47 PM Bryan Bende <[email protected]> wrote:

> It looks like there may have been images attached that didn't make it
> through.
>
> I'm not sure why S2S would be slow, it is made to handle very high
> throughput.
>
> What I meant by #4 was... did you perform any specific configuration of the
> RPG on cluster 1 or the input port on cluster 2, such as changing batch
> settings or modifying concurrent tasks, or did you use all default values?
>
>
> On Tue, Oct 2, 2018 at 2:01 PM roozbeh karimi <[email protected]>
> wrote:
>
> > Hello Bryan
> > 1) The communication is site to site between two separate
> > instances/clusters of NiFi.
> > 2) We have tried S2S in both raw and http modes, and neither made a
> > difference.
> > 3) The data flows but very slow, and after a while the back pressure
> > reaches the threshold and we start losing data.
> > 4) We have set up the RPG input port.
> > 5) If we replace RPG with a posthttp processor on cluster 1 and a
> listener
> > processor on cluster 2 (where rpg nodes were), we don't see any back
> > pressure buildup on cluster 1 and the data flows between the two
> instances
> > very fast.
> >
> >
> > [image: image.png]
> > [image: image.png]
> >
> > On Tue, Oct 2, 2018 at 11:55 AM Bryan Bende <[email protected]> wrote:
> >
> >> Hello,
> >>
> >> Can you describe the setup a little bit more?
> >>
> >> Is this site-to-site between two separate NiFi instances, or is it
> >> within the same cluster for purposes of redistribution?
> >>
> >> If it's separate instances then what type of instances, clustered or
> >> standalone?
> >>
> >> Have you made any changes to the configuration of the RPG, the port
> >> settings within the RPG, or the Input Port on the remote side?
> >>
> >> Is some data being transferred through the RPG and it is just slow, or
> >> is no data making it through?
> >>
> >> -Bryan
> >>
> >> On Mon, Oct 1, 2018 at 11:53 PM roozbeh karimi <[email protected]>
> >> wrote:
> >> >
> >> > Hello All,
> >> >
> >> > Are there any best practices and guides for setting up RPG? With my
> set
> >> up,
> >> > I am seeing a large volume of back pressure is being built up and
> hardly
> >> > any data is being transmitted from the source NiFi node to the nodes
> in
> >> > RPG. If I replace RPG with PostHttp on the source node and a listener
> >> > processor on the destination node, no back pressure is built and the
> >> data
> >> > is transmitted smoothly between the source and destination nodes.
> >> >
> >> > I'd appreciate any feedback on to go about tuning my RPG set up.
> >> >
> >> > Thanks
> >> > RK
> >>
> >
>

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