Package org.apache.hadoop.yarn.server.timelineservice.storage.flow

@Private @Unstable package org.apache.hadoop.yarn.server.timelineservice.storage.flow

Package org.apache.hadoop.yarn.server.timelineservice.storage.flow contains classes related to implementation for flow related tables, viz. flow run table and flow activity table.

Related Packages

Package	Description
org.apache.hadoop.yarn.server.timelineservice.storage	Package org.apache.hadoop.yarn.server.timelineservice.storage contains classes which define and implement reading and writing to backend storage.

Class	Description
AggregationCompactionDimension	Identifies the compaction dimensions for the data in the FlowRunTable .
AggregationOperation	Identifies the attributes to be set for puts into the FlowRunTable.
Attribute	Defines the attribute tuple to be set for puts into the FlowRunTable.
FlowActivityColumnFamily	Represents the flow run table column families.
FlowActivityColumnPrefix	Identifies partially qualified columns for the FlowActivityTable.
FlowActivityRowKey	Represents a rowkey for the flow activity table.
FlowActivityRowKeyPrefix	A prefix partial rowkey for flow activities.
FlowActivityTable	The flow activity table has column family info Stores the daily activity record for flows Useful as a quick lookup of what flows were running on a given day Example flow activity table record:
FlowRunColumn	Identifies fully qualified columns for the FlowRunTable.
FlowRunColumnFamily	Represents the flow run table column families.
FlowRunColumnPrefix	Identifies partially qualified columns for the FlowRunTable.
FlowRunRowKey	Represents a rowkey for the flow run table.
FlowRunRowKeyPrefix	Represents a partial rowkey (without the flowRunId) for the flow run table.
FlowRunTable	The flow run table has column family info Stores per flow run information aggregated across applications.