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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