"zync from-kafka" does slow per-pool and per-topic configuration steps sequentially in the main goroutine, so when configured with many pools, it can be slow to start synchronizing some of them, particularly when CPU-bound. Move those configuration steps into goroutines so they complete sooner.
"zync from-kafka" does slow per-pool and per-topic configuration steps sequentially in the main goroutine, so when configured with many pools, it can be slow to start synchronizing some of them, particularly when CPU-bound. Move those configuration steps into goroutines so they complete sooner.