Re: Kafka 20k topics metadata update taking long time

2024-07-03 Thread Brebner, Paul
Hi – interesting, I had maybe similar problems today when “testing” the limits of a Kafka cluster for max partitions – I could create a topic with lots of partitions (ok so more than sensible, taking into account RF=3 over 1M partitions) – but trying to send a message failed with a meta-data tim

Re: Kafka 20k topics metadata update taking long time

2024-07-03 Thread Sabarish Sasidharan
This is interesting. But 20K topics is also not a realistic assumption to have. I don't see an alarming difference in the latency results from the two scenarios. Also even when cached, the metadata needs to be refreshed anyway. On Thu, Jul 4, 2024 at 4:37 AM Amit Chopra wrote: > Hey, > > I wante

Re: Kafka Connect Limits

2024-07-03 Thread Greg Harris
Hey Burton, Thanks for your question and bug report. The exception you included does not indicate that your connectors are overloaded. The primary way of diagnosing an overloaded connector is the consumer lag metric, and if you're seeing acceptable lag, that should indicate that your connectors a

Kafka 20k topics metadata update taking long time

2024-07-03 Thread Amit Chopra
Hey, I wanted to raise a performance issue that I encountered while testing on a large scale with Kafka. The issue pertains to low throughput with 20k topics (each topic with 1 partition) compared to good throughput when using 1 topic with 20k partitions. Scenario: I have a setup of kafka with 20

Kafka Connect Limits

2024-07-03 Thread Burton Williams
Hi, I have 100+ sink connectors running with 100+ topics each with roughly 3 partitions per topic. There are running on K8s on 10 pods with 6 cpus and 32Gig mem. The connector in question is Snowflake's sink connector v2.2.0. This worked in the mini batch mode SNOWPIPE, but once i switched over to