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https://issues.apache.org/jira/browse/HDDS-12391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17930616#comment-17930616
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Sammi Chen commented on HDDS-12391:
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[~ivanandika], datanode will start a thread for each volume. How many
containers on one volume in this case? Because the container yaml file reading
slowness?
> Speed up container set loading during Datanode Startup
> ------------------------------------------------------
>
> Key: HDDS-12391
> URL: https://issues.apache.org/jira/browse/HDDS-12391
> Project: Apache Ozone
> Issue Type: Improvement
> Components: Ozone Datanode
> Reporter: Ivan Andika
> Priority: Major
>
> We found that DN startup took very long to send the first heartbeat to the
> SCM, causing SCM to think the DN is STALE and DEAD.
> Seems DN takes very long to read all the container files in ContainerReader,
> it takes approximately 30 minutes. We should try to optimize this (maybe need
> to support merging containers).
> {code:java}
> 2024-12-10 10:46:51,000 [main] INFO
> org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer: Build
> ContainerSet costs 1939s {code}
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