Sammi Chen created HDDS-12547:
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Summary: 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: Improvement
Reporter: Sammi Chen
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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