Xiaoyu Yao created HDFS-12252:
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Summary: Ozone: SCM: Container State Machine -1- Track container
creation state in SCM
Key: HDFS-12252
URL: https://issues.apache.org/jira/browse/HDFS-12252
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Xiaoyu Yao
Assignee: Xiaoyu Yao
Currently, SCM only persist the pipeline info of a container in container.db
upon allocation. This provides better scalability which offloads the query of
container info to datanodes.
However, this is not enough enough information for SCM to provide shared
container service as other clients may not know the container creation state on
datanodes by the creator of the container.
This is the first patch that introduces container states on SCM and ACK message
from creator of the container to update/persist the container state on SCM
container store.
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