Gateway memory consumption
In the last weeks I check multiple benchmarks and clusters in incidents. Often I had the feeling that the memory consumption from the gateway is not ideal or that there is a memory leak. I wanted to experiment regarding this memory consumptions. Since we saw in investigating https://github.com/zeebe-io/zeebe/issues/5641 a high memory spike when the gateway was not able to talk to other nodes I suspected that here might be some bugs hiding