[jira] [Commented] (KAFKA-13693) Config in memory got inconsistency value

[Augusto Hack (Jira)]

[ 
https://issues.apache.org/jira/browse/KAFKA-13693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17498090#comment-17498090
 ] 

Augusto Hack commented on KAFKA-13693:
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[~showuon] here are some additional details:
 * Kafka version: 2.8.1
 * partitions: 3
 * policy: compact
 * the znode for the topic was never modified (version was 0, and ctime and 
mtime equal)
 * brokers existed before the topic was created (checked via timestamp of the 
znodes in `/brokers/ids`)

Observed bug:
 * The LogConfig object of one of the partitions in the leader had the flag 
delete set to true, every other LogConfig had the correct value (true for 
compact, false for delete). Checked with a memory dump and querying using 
Memory Analyzer (MAT)

> Config in memory got inconsistency value
> 
>
> Key: KAFKA-13693
> URL: https://issues.apache.org/jira/browse/KAFKA-13693
> Project: Kafka
>  Issue Type: Bug
>Reporter: Aiqin Zhang
>Priority: Minor
> Attachments: Screenshot from 2022-02-25 14-34-36.png
>
>
> We have a kafka cluster with a topic which configured as clean up policy = 
> compact.
> But found after timeout timer, the data got deleted on one of the partitions.
>  
> Further investigation shows that in memory the value is actually delete which 
> is inconsistent.
>  
> Topic was created via Terraform in bulk, around 250 together and returned 
> with success.
>  
> We did the broker restart to correct the setting in memory.



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[jira] [Commented] (KAFKA-13693) Config in memory got inconsistency value

[Luke Chen (Jira)]

[ 
https://issues.apache.org/jira/browse/KAFKA-13693?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17497928#comment-17497928
 ] 

Luke Chen commented on KAFKA-13693:
---

[~eaiqzha] , thanks for reporting the issue.

Do you know how to reproduce it? Could you put them on to the ticket 
description?

Thanks.

> Config in memory got inconsistency value
> 
>
> Key: KAFKA-13693
> URL: https://issues.apache.org/jira/browse/KAFKA-13693
> Project: Kafka
>  Issue Type: Bug
>Reporter: Aiqin Zhang
>Priority: Minor
> Attachments: Screenshot from 2022-02-25 14-34-36.png
>
>
> We have a kafka cluster with a topic which configured as clean up policy = 
> compact.
> But found after timeout timer, the data got deleted on one of the partitions.
>  
> Further investigation shows that in memory the value is actually delete which 
> is inconsistent.
>  
> Topic was created via Terraform in bulk, around 250 together and returned 
> with success.
>  
> We did the broker restart to correct the setting in memory.



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