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Posted to hdfs-dev@hadoop.apache.org by "Nanda kumar (JIRA)" <ji...@apache.org> on 2018/05/04 14:02:00 UTC
[jira] [Created] (HDDS-22) Restructure SCM - Datanode protocol
Nanda kumar created HDDS-22:
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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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