Re: Are RocksDBWindowStore windows hopping or sliding?

Hi, I understood how window stores are implemented using rocksdb. When creating an instance of RocksDBWindowStore we pass two additional arguments: retainDuplicates windowSize I have not clearly understood the purpose of these two. Like say in my application I just create one windowed store of a g

Brokers session terminated and removed

Hi, I am running into an issue where the Kafka brokers (0.10.2.1) are getting removed from the Zookeeper (3.4.14). Here is the setup. We have 3 Zookeeper nodes and 3 Kafka nodes in AWS. We are making use of auto-scaling group to get the replacement nodes on failures. When the Zookeeper and Kaf

Re: Are RocksDBWindowStore windows hopping or sliding?

`windowSize` has not impact on used segments: it is only used to compute the window end timestamp when you fetch a window, because the end-time is not stored explicitly (as all windows are assumed to have the same window size; i.e., it's a storage optimization to safe the bytes for window end times

Re: [kafka-clients] [VOTE] 2.5.0 RC2

Hi David, Thanks for running this release. Sorry for the delay in bringing this up. I just wanted to draw attention to https://issues.apache.org/jira/browse/KAFKA-9731 that blocked us from upgrading to 2.4. Based on the earlier discussion, the fix may not require a lot of work. Regards, --Vahid

RE: Reg : Slowness in Kafka

> There are serious latency issues when mixing different client and server > version Could you be more specific ? Link to any issue ? Thanks by advance ! Christophe De : James Olsen Envoyé : vendredi 27 mars 2020 01:48 À : users@kafka.apache.org Objet : Re: R

Re: Problems when Consuming from multiple Partitions

Resolved by downgrading Client to 2.2.2 and implementing an application level heartbeat on every Producer to avoid he UNKNOWN_PRODUCER_ID issue. > On 9/03/2020, at 16:08, James Olsen wrote: > > P.S. I guess the big question is what is the best way to handle or avoid > UNKNOWN_PRODUCER_ID when

Re: Reg : Slowness in Kafka

Christophe, See "Problems when Consuming from multiple Partitions” in the list archive. I’ll forward you the full conversation privately. It includes debug logs that demonstrate fetches being discarded and refetched, but only after one or more full expirations of the fetch.max.wait.ms even th

Re: Reg : Slowness in Kafka

Hi James, A JIRA would be helpful. It looks like something we should fix. Ismael On Mon, Mar 30, 2020 at 8:17 PM James Olsen wrote: > Christophe, > > See "Problems when Consuming from multiple Partitions” in the list > archive. I’ll forward you the full conversation privately. It includes >

How to disable OPTIONS method in confluent-control-center

Hi, I don't know whether this question is relevant to this group? Sorry If I posted in wrong group. I want to disable OPTIONS method in Confluent-control center running on port 9091. Can someone guide me for required configurations? Regards, Sunil.