Describe your experience using the Coalescer component in projects and its role in data processing.

The Coalescer component in projects is usually used to merge or aggregate data from multiple sources or streams into a single stream or structure.

In the context of data processing, its role is to smooth, combine, or order incoming data to simplify further work with it, such as for subsequent filtering, analysis, or storage.

In practice, I have used the Coalescer to combine multiple events or messages into one package, which reduced system load and improved performance. This is especially useful when working with streaming data or asynchronous processes, where controlling the volume and frequency of processing is important.

Example: if many small updates arrive, the Coalescer collects them into one object and passes it on, reducing the number of operations.