[jira] [Assigned] (KAFKA-8902) Benchmark cooperative vs eager rebalancing

["John Roesler (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-8902?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Roesler reassigned KAFKA-8902:
-----------------------------------

    Assignee: John Roesler

> Benchmark cooperative vs eager rebalancing
> ------------------------------------------
>
>                 Key: KAFKA-8902
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8902
>             Project: Kafka
>          Issue Type: Sub-task
>            Reporter: Sophie Blee-Goldman
>            Assignee: John Roesler
>            Priority: Major
>
> Cause rebalance and measure:
> * overall throughput
> * paused time
> * (also look at the metrics from (https://issues.apache.org/jira/browse/KAFKA-8609)):
> ** accumulated rebalance time
> Cluster/topic sizing:
> ** 10 instances
> ** 100 tasks (each instance gets 10 tasks)
> ** 1000 stores (each task gets 10 stores)
> * standbys = [0 and 1]
> Rolling bounce:
> * with and without state loss
> * shorter and faster than session timeout (shorter in particular should be interesting)
> Expand (from 9 to 10)
> Contract (from 10 to 9)
> With and without saturation:
> EOS:
> * with and without
> Topology:
> * stateful
> * windowed agg
> Key Parameterizations:
> 1. control: no rebalances
> 2. rolling without state loss faster than session timeout
> 3. expand 9 to 10
> 4. contract 10 to 9



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