I intend to write some bespoke monitoring for our internal kafka system.
Amongst others, it should give us warning if some topics are lagging behind too
much (i.e. production much faster than consumption).
What would currently be the neatest way to get a list of all topics, partitions
and consumergroups? It's the latter that I'm most unsure about.
I imagine I could actually consume the "__consumer_offsets" topic (we're using
the offsets-are-committed-in-kafka approach), but perhaps there is a neater api
exposed. I couldn't immediately find it, though.
(I am working in Java/Scala, with the latest official java kafka client).
As always, any help would be appreciated!
-J
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