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Workflow ReRrun
Configs
- oozie.wf.application.path
* Only one of following two configurations is mandatory. Both should not be defined at the same time
- oozie.wf.rerun.skip.nodes
- oozie.wf.rerun.failnodes
- Skip nodes are comma separated list of action names. They can be any action nodes including decision node.
- The valid value of oozie.wf.rerun.failnodes
is true or false.
- If secured hadoop version is used, the following two properties needs to be specified as well
- mapreduce.jobtracker.kerberos.principal
- dfs.namenode.kerberos.principal.
Pre-Conditions
- Workflow with id wfId should exist.
- Workflow with id wfId should be in SUCCEEDED/KILLED/FAILED.
- If specified , nodes in the config oozie.wf.rerun.skip.nodes must be completed successfully.
ReRun
- Reloads the configs.
- Creates a new Workflow Instance with the same wfId.
- Deletes the actions that are not skipped from the DB and copies data from old Workflow Instance to new one for skipped actions.
- Action handler will skip the nodes given in the config with the same exit transition as before.
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