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Posted to issues@ozone.apache.org by "Duong (Jira)" <ji...@apache.org> on 2022/09/16 23:07:00 UTC

[jira] [Assigned] (HDDS-7223) Caching container location information in OM

     [ https://issues.apache.org/jira/browse/HDDS-7223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duong reassigned HDDS-7223:
---------------------------

    Assignee: Duong

> Caching container location information in OM
> --------------------------------------------
>
>                 Key: HDDS-7223
>                 URL: https://issues.apache.org/jira/browse/HDDS-7223
>             Project: Apache Ozone
>          Issue Type: Improvement
>          Components: Ozone Manager
>            Reporter: Duong
>            Assignee: Duong
>            Priority: Major
>              Labels: Performance
>
> A container can move and change the Datanode details in it's lifecycle post close of a container.
> When a key needs to be read by the client, OM queries SCM to update the location information for a container. This adds additional latency per request and load on SCM which is directly proportional to the read load on OM.
> This Jira is track the design and implementation of improving read performance by addressing this code path.



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