Hi Gaspar

That’s a project my team is maintaining at my $dayjob and we do deploy into our 
equivalent of production.

There are some edge case behaviours around the automated batching of the Kafka 
events but it’s overall pretty robust.  Since it’s a non-Jena project any 
further questions are best asked over on the GitHub repository

Cheers,

Rob Vesse

From: [email protected] <[email protected]>
Date: Friday, 22 August 2025 at 09:24
To: [email protected] <[email protected]>
Cc: Gaspar Bartalus <[email protected]>
Subject: SPAM-LOW: Re: Replicating data - RDF Delta?

Hi Gaspar,

You can try using https://github.com/telicent-oss/jena-fuseki-kafka
The idea is that you send data updates to Kafka topics. Several Fuseki
instances can read from Kafka and synchronize.

We've tried using RDF Delta in the past, but it is not stable under
productive load due to problems with ZooKeeper synchronization. We have
ended with writing our own solution for sending updates into several
Fuseki instances, but later have found jena-fuseki-kafka project.

Best regards,
Serge Gorshkov

Gaspar Bartalus wrote 2025-08-21 16:16:

> Hello,
>
> We were looking into the possibility of having multiple jena-fuseki
> instances with data replication.
> We've found https://afs.github.io/rdf-delta/ as a potential solution,
> but
> we also saw that the project has been discontinued.
>
> Is there an alternative solution available?
>
> Thanks in advance,
> Gaspar

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