Mark Owens created ACCUMULO-4795:
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Summary: cancel bulk import in progress
Key: ACCUMULO-4795
URL: https://issues.apache.org/jira/browse/ACCUMULO-4795
Project: Accumulo
Issue Type: Sub-task
Components: master, tserver
Reporter: Mark Owens
Accumulo currently provides mechanisms to initiate bulk imports and to list
bulk imports in progress. Scheduling of bulk import requests is not entirely
deterministic, and most of the execution of a bulk-import request is done in a
non-preemptable manner. As such, any bulk import which takes very long to
complete can block bulk imports with higher operational priority for
significant periods.
To better support bulk-import-heavy applications, it would be nice if Accumulo
would offer additional mechanisms for controlling the scheduling and execution
of bulk imports
One such feature would be the ability to cancel bulk import in progress.
If possible, canceling a partially completed bulk import request should result
in a rollback of changes. That is, a bulk import should either succeed or make
no changes.
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