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https://issues.apache.org/jira/browse/YARN-6027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15871122#comment-15871122
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Rohith Sharma K S commented on YARN-6027:
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bq. On a related note, how would the client provide the value for fromId? Does
it need to compose the fromId, or can we add a UID for flow activity in the
info and they can just grab and send it as fromId? I thought we were doing
something like that for other pagination? If it is the latter, then can we not
use FLOW_UID for this?
To the flowActivity, fromId can NOT be single value since these are tracked by
daily basis!! FromId which user provides has to be complete row key. I wanted
to used flow entity id itself as fromId because user can provide just pick the
flow entity id and send it as fromId. Note that flow entity id has complete row
key values. But flow entity id is not escaped as flow_UID is done. FLOW_UID
does not have time values in it e.g {{"UID": "yarn-cluster!rohithsharmaks!Sleep
job"}}. May be FLOW_UID itself can be changed to add timestamp and use it as
fromId.
> Support fromid(offset) filter for /flows API
> --------------------------------------------
>
> Key: YARN-6027
> URL: https://issues.apache.org/jira/browse/YARN-6027
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: timelineserver
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Labels: yarn-5355-merge-blocker
> Attachments: YARN-6027-YARN-5355.0001.patch,
> YARN-6027-YARN-5355.0002.patch
>
>
> In YARN-5585 , fromId is supported for retrieving entities. We need similar
> filter for flows/flowRun apps and flow run and flow as well.
> Along with supporting fromId, this JIRA should also discuss following points
> * Should we throw an exception for entities/entity retrieval if duplicates
> found?
> * TimelieEntity :
> ** Should equals method also check for idPrefix?
> ** Does idPrefix is part of identifiers?
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