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Posted to hdfs-issues@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2017/02/23 23:29:44 UTC
[jira] [Created] (HDFS-11451) Ozone: Add protobuf definitions for
container reports
Anu Engineer created HDFS-11451:
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Summary: Ozone: Add protobuf definitions for container reports
Key: HDFS-11451
URL: https://issues.apache.org/jira/browse/HDFS-11451
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Affects Versions: HDFS-7240
Reporter: Anu Engineer
Assignee: Anu Engineer
Fix For: HDFS-7240
Container reports are send from datanodes describing the state of the container. Since a full container report can be as large as 2 MB, the container reports are send by datanode only when SCM approves it.
In this change, datanode informs the SCM that it has a container report ready. SCM based on load will send a command to datanode to send the actual report. The protobuf classes and plumbing required for that change is part of this patch. This whole container reports handling will be broken into multiple JIRAs to make it easy to code review.
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