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Posted to issues@ozone.apache.org by "Duong (Jira)" <ji...@apache.org> on 2022/09/15 00:03:00 UTC

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

Duong created HDDS-7223:
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             Summary: Caching container location information in OM
                 Key: HDDS-7223
                 URL: https://issues.apache.org/jira/browse/HDDS-7223
             Project: Apache Ozone
          Issue Type: Improvement
            Reporter: Duong


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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