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https://issues.apache.org/jira/browse/HDFS-11888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16137583#comment-16137583
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Xiaoyu Yao edited comment on HDFS-11888 at 8/22/17 11:15 PM:
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Patch 003 contains some unexpected YARN changes from IntelliJ refactor/rename
of BlockContainerInfo class. I'm uploading patch 004 that fixed it.
was (Author: xyao):
Patch 003 contains some unexpected YARN changes from IntelliJ refactor/rename
of ContainerInfo class. I'm uploading patch 004 that fixed it.
> Ozone: SCM: use container state machine for open containers allocated for
> key/blcoks
> -------------------------------------------------------------------------------------
>
> Key: HDFS-11888
> URL: https://issues.apache.org/jira/browse/HDFS-11888
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ozone
> Affects Versions: HDFS-7240
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HDFS-11888-HDFS-7240.001.patch,
> HDFS-11888-HDFS-7240.002.patch, HDFS-11888-HDFS-7240.003.patch,
> HDFS-11888-HDFS-7240.004.patch
>
>
> SCM BlockManager provision a pool of containers upon block creation request
> that can't be satisfied with current open containers in the pool. However,
> only one container is returned with the creationFlag to the client. The other
> container provisioned in the same batch will not have this flag. Client can't
> assume to use these containers that has not been created on SCM datanodes,
> This ticket is opened to fix the issue by persist the createContainerNeeded
> flag for the provisioned containers. The flag will be eventually cleared by
> processing container report from datanode when the container report handler
> is fully implemented on SCM.
> For now, we will use a default batch size of 1 for
> ozone.scm.container.provision_batch_size so that the container will be
> created on demand upon the first block allocation into the container.
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