[jira] [Created] (KAFKA-9336) Connecting to Kafka using forwarded Kerberos credentials

2019-12-26 Thread Grzegorz Kokosinski (Jira)
Grzegorz Kokosinski created KAFKA-9336: -- Summary: Connecting to Kafka using forwarded Kerberos credentials Key: KAFKA-9336 URL: https://issues.apache.org/jira/browse/KAFKA-9336 Project: Kafka

Re: [DISCUSS] KIP-552: Add interface to handle unused config

2019-12-26 Thread John Roesler
Thanks for the KIP, Artur! For reference, here is the kip: https://cwiki.apache.org/confluence/display/KAFKA/KIP-552%3A+Add+interface+to+handle+unused+config I agree, these warnings are kind of a nuisance. Would it be feasible just to leverage log4j in some way to make it easy to filter these

Re: Please give a link where I can explain myself what this can be ...

2019-12-26 Thread Matthias J. Sax
Docs -> https://kafka.apache.org/24/documentation/streams/developer-guide/dsl-api.html#aggregating On 12/23/19 8:30 AM, Aurel Sandu wrote: > I'am reading the folowing code : > ... > KTable wordCounts = textLines > .flatMapValues(textLine -> >

Re: [DISCUSS] KIP-526: Reduce Producer Metadata Lookups for Large Number of Topics

2019-12-26 Thread Brian Byrne
Hi Stanislav, Appreciate the feedback! 1. You're correct. I've added notes to the KIP to clarify. 2. Yes it should. Fixed. 3. So I made a mistake when generalizing the target refresh size, which should have been using `metadata.max.age.ms` instead of `metadata.evict.ms`. Therefore,

[jira] [Created] (KAFKA-9335) java.lang.IllegalArgumentException: Number of partitions must be at least 1.

2019-12-26 Thread Nitay Kufert (Jira)
Nitay Kufert created KAFKA-9335: --- Summary: java.lang.IllegalArgumentException: Number of partitions must be at least 1. Key: KAFKA-9335 URL: https://issues.apache.org/jira/browse/KAFKA-9335 Project:

Re: [DISCUSS] KIP-526: Reduce Producer Metadata Lookups for Large Number of Topics

2019-12-26 Thread Stanislav Kozlovski
Hey Brian, 1. Could we more explicitly clarify the behavior of the algorithm when `|T| > TARGET_METADATA_FETCH SIZE` ? I assume we ignore the config in that scenario 2. Should `targetMetadataFetchSize = Math.max(topicsPerSec / 10, 20)` be `topicsPerSec * 10` ? 3. When is this new algorithm