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Posted to issues@ozone.apache.org by "Sammi Chen (Jira)" <ji...@apache.org> on 2025/03/12 07:07:00 UTC

[jira] [Updated] (HDDS-12547) Container creation and import use the same VolumeChoosingPolicy

     [ https://issues.apache.org/jira/browse/HDDS-12547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sammi Chen updated HDDS-12547:
------------------------------
        Parent: HDDS-12564
    Issue Type: Sub-task  (was: Improvement)

> Container creation and import use the same VolumeChoosingPolicy
> ---------------------------------------------------------------
>
>                 Key: HDDS-12547
>                 URL: https://issues.apache.org/jira/browse/HDDS-12547
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Sammi Chen
>            Priority: Major
>
> Currently,  KeyValueHandler and ContainerImporter have its owner VolumeChoosingPolicy instances. As the VolumeChoosingPolicy is decided by same "hdds.datanode.volume.choosing.policy" property, so  KeyValueHandler and ContainerImporter and use the same VolumeChoosingPolicy instance.  
> Further, VolumeChoosingPolicy#chooseVolume, its Java Doc says "The implementations of this interface must be thread-safe.",  regarding the space full check and space reservation, it can be done as an atomic operation in the chooseVolume internally, so that there will no over allocation of space due to concurrent container creation and container import. 



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