[jira] [Commented] (KAFKA-18788) Improve simple assignor by having a max no. of partitions limit and min no. of partitions threshold assignment to members

["Abhinav Dixit (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-18788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17934195#comment-17934195 ] 

Abhinav Dixit commented on KAFKA-18788:
---------------------------------------

This issue is being tackled as part of issue https://issues.apache.org/jira/browse/KAFKA-18901 . Hence, closing this JIRA.

> Improve simple assignor by having a max no. of partitions limit and min no. of partitions threshold assignment to members
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: KAFKA-18788
>                 URL: https://issues.apache.org/jira/browse/KAFKA-18788
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Abhinav Dixit
>            Assignee: Abhinav Dixit
>            Priority: Major
>
> The current simple assignor doesn't offer perfect sharing between share consumers of a share group. Hence, I came up with the following steps - 
>  # depending on the no. of members and subscribed topic partitions (whether they are greater, equal or lesser), we need to come up with a hard limit on maximum and minimum no. of assignments for each members. There can also be a range that we can come up with regarding no. of assignment of topic partitions. There should also be a range of no. of members assigned to a topic partition.
>  # have a rebalancing as the fourth step in the assignment where we make sure that point 1 is followed. This can be a random assignment for the first few iterations but depending on those iteration results, we can have a concrete assignment by moving partitions from one member to another.



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