RPC latency, or the time it takes for a Remote Procedure Call to complete, is a crucial metric for evaluating the performance of distributed systems. Minimizing RPC latency is essential for ensuring that applications can respond quickly and efficiently to user requests. There are a number of different ways to check RPC latency, including using built-in tools in programming languages and frameworks, or using third-party tools such as latency testing services.
There are a number of factors that can affect RPC latency, including the network latency between the client and server, the processing time of the server, and the overhead of the RPC framework itself. It is important to understand the different factors that can affect RPC latency in order to be able to optimize it effectively.