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I am trying to use RSocket for Microservices within my org. As we have lot to communicate and fetch from databases like Cassandra and Postgresql, I observed a dip in performance.

When I run a sample Rsocket Client and Rsocket Server that returns a mocked response, I am getting a throughput of 12k TPS. Once I integrate to get the same codebase with Cassandra it is 300 TPS and Postgresql is 400 TPS. If I add HikariCP to Postgresql, it is 700 TPS.

For the same usecase with blocking HTTP it is 800 TPS and non-blocking HTTP is 1900 TPS.

This study is made on Mac Laptop 8 cores, 16 GB, rsocket-java (No Spring or RPC).

I am confused whether RSocket is suited for Microservices usecase or not.

Please provide your experience and any benchmark available for further studies.

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  • You need to show what your code looks like for each Commented Jun 2, 2020 at 17:53
  • Its a simple RSocket Client calling Rsocket Server over JDBC to Database. Commented Jun 2, 2020 at 18:16
  • That doesn't add up - JDBC isn't non-blocking, so you can't utilise it in a fully non-blocking solution. In any case, we'll need to see the code and preferably raw results for each case, not just a description of what it does. This isn't answerable at present. Commented Jun 3, 2020 at 10:03
  • I understand JDBC is blocking. But still a throughput does not add up against the motivation statement by rsocket. I will try to put a sample code here. Thank you Commented Jun 3, 2020 at 14:18
  • You should be using the non-blocking DB clients Cassandra - baeldung.com/spring-data-cassandra-reactive Postgres - github.com/r2dbc/r2dbc-postgresql Without these, it's more likely that the problems are in your code. Commented Jun 15, 2020 at 7:50
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