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https://issues.apache.org/jira/browse/NIFI-125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joseph Witt resolved NIFI-125.
------------------------------
    Resolution: Implemented
      Assignee: Mark Payne

Mark Payne fixed this in a different approach on a different ticket.

> Persistent Prov Repo: When Indexing and Expiring log files, should queue up 
> the tasks with bounded queue
> --------------------------------------------------------------------------------------------------------
>
>                 Key: NIFI-125
>                 URL: https://issues.apache.org/jira/browse/NIFI-125
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>            Reporter: Matt Gilman
>            Assignee: Mark Payne
>
> Currently, we generate a new thread for each of these, which can result in 
> many threads being created and still failing behind.
> Switching to a bounded queue will allow us to also use a thread pool to do 
> the work and allows us to wait until the queue falls below some threshold 
> before adding more work to it, resulting in processing back pressure if prov 
> repo is unable to keep up.



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