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https://issues.apache.org/jira/browse/TEZ-2581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14980224#comment-14980224
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Jeff Zhang commented on TEZ-2581:
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bq. Why rename to setParallelism2?
After removing parameter recovering, these 2 methods' signature become same.
The only difference is one Map type of sourceEdgeProperties, but the generic
type info is erased for java compiler.
bq. Why is RecoverTransition needed?
It is for recovering of completed DAG. Only recover DAG & Vertex, but not Task
& TaskAttempt.
> Umbrella for Tez Recovery Redesign
> ----------------------------------
>
> Key: TEZ-2581
> URL: https://issues.apache.org/jira/browse/TEZ-2581
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Jeff Zhang
> Assignee: Jeff Zhang
> Attachments: TEZ-2581-WIP-1.patch, TEZ-2581-WIP-2.patch,
> TEZ-2581-WIP-3.patch, TEZ-2581-WIP-4.patch, TEZ-2581-WIP-5.patch,
> TEZ-2581-WIP-6.patch, TezRecoveryRedesignProposal.pdf,
> TezRecoveryRedesignV1.1.pdf
>
>
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