আপনি কীভাবে Kafka মনিটর করেন এবং কনজিউমার ল্যাগ পরিচালনা করেন?

CONSUMER LAG → how far BEHIND a consumer is = (latest offset) − (consumer's committed offset):
  → high/growing lag → the consumer can't keep up with the production rate (a problem!)
  → indicates: slow processing, too few consumers, a stuck/failed consumer, or a traffic spike
→ monitor lag → detect when consumers fall behind (a primary Kafka health signal)