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From "Nanda kumar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-22) Restructure SCM - Datanode protocol
Date Fri, 04 May 2018 14:02:00 GMT
Nanda kumar created HDDS-22:
-------------------------------

             Summary: 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


This jira aims at properly defining the SCM - Datanode protocol.
{code}
Heartbeat ::= DatanodeDetails | NodeReport | ContainerReports | DeltaContainerReports | 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

    		StorageID ::= UUID

				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

	DeltaContainerReports ::= ContainerID | Used

	PipelineReport::= PipelineID | Members | RatisChange | ChangeTimeStamp | EpochID | LogStats
| LogFailed

		RatisChange ::= NodeAdded | NodeRemoved | DeadNode | NewLeaderElected | EpochChanged

{code}



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