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Posted to hdfs-dev@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2018/09/19 17:20:00 UTC
[jira] [Resolved] (HDDS-22) Restructure SCM - Datanode protocol
[ https://issues.apache.org/jira/browse/HDDS-22?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anu Engineer resolved HDDS-22.
------------------------------
Resolution: Fixed
All sub-tasks are resolved.
> Restructure SCM - Datanode protocol
> -----------------------------------
>
> Key: HDDS-22
> URL: https://issues.apache.org/jira/browse/HDDS-22
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Components: Ozone Datanode, SCM
> Reporter: Nanda kumar
> Assignee: Nanda kumar
> Priority: Major
>
> This jira aims at properly defining the SCM - Datanode protocol.
> *EBNFÂ of Heartbeat*
> {noformat}
> Heartbeat ::= DatanodeDetails | NodeReport | ContainerReports | ContainerActions | PipelineReports
> DatanodeDetails ::= UUID | IpAddress | Hostname | Port
> Port ::= Type | Value
> NodeReport ::= NodeIOStats | StorageReports
> NodeIOStats ::= ContainerOps | KeyOps | ChunkOps
> ContainerOps ::= CreateCount | DeleteCount| GetInfoCount
> KeyOps ::= putKeyCount | getKeyCount | DeleteKeyCount | ListKeyCount
> ChunkOps ::= WriteChunkCount | ReadChunkCount | DeleteChunkCount
> StorageReports ::= zero or more StorageReport
> StorageReport ::= StorageID | Health | Used | Available | VolumeIOStats
> Health ::= Status | ErrorCode | Message
> VolumeIOStats ::= ReadBytes | ReadOpCount | WriteBytes | WriteOpCount | ReadTime | WriteTime
> ContainerReports ::= zero or more ContainerReport
> ContainerReport ::= ContainerID | finalHash | size | used | keyCount | Name | LifeCycleState | ContainerIOStats
> ContainerIOStats ::= readCount| writeCount| readBytes| writeBytes
> ContainerActions ::= ContainerInfo | Action | Reason
> PipelineReport ::= PipelineID | Members | RatisChange | ChangeTimeStamp | EpochID | LogStats | LogFailed
> RatisChange ::= NodeAdded | NodeRemoved | DeadNode | NewLeaderElected | EpochChanged
> {noformat}
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