[jira] [Commented] (HDDS-7249) Experiment cache location cache size

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

    [ https://issues.apache.org/jira/browse/HDDS-7249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608013#comment-17608013 ] 

Duong commented on HDDS-7249:
-----------------------------

I created a simple simulation that populates container locations with random datanodes. [https://github.com/apache/ozone/compare/master...duongkame:ozone:HDDS-7229-sim]

The experiment shows that with 100K containers, the cache owns around {*}352MB{*}.

!Cache_size_100k.png|width=907,height=291!

And each Pipeline object sizes around *3.4kb* in the heap, as it consists of 3 DatanodeDetails instances sizing *~1kb* each.

!Pipeline_size_detail.png|width=903,height=358!

 

> Experiment cache location cache size
> ------------------------------------
>
>                 Key: HDDS-7249
>                 URL: https://issues.apache.org/jira/browse/HDDS-7249
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Duong
>            Priority: Major
>         Attachments: Cache_size_100k.png, Pipeline_size_detail.png
>
>




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