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https://issues.apache.org/jira/browse/NIFI-6799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958986#comment-16958986
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ASF subversion and git services commented on NIFI-6799:
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Commit 8771c35f4a01c38ab94ab80b96997ee5f82af094 in nifi's branch
refs/heads/master from Matt Burgess
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=8771c35 ]
NIFI-6799: Add PrometheusRecordSink and reset() method to RecordSinkService
(#3839)
This closes #3839
> Add RecordSink implementation for Prometheus scraping
> -----------------------------------------------------
>
> Key: NIFI-6799
> URL: https://issues.apache.org/jira/browse/NIFI-6799
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> With the advent of NIFI-6780, a RecordSinkService controller service
> interface is available and is used by components like QueryNiFiReportingTask
> to decouple the collection of data from its destination or transmission
> method. Initial implementations in NIFI-6780 included a Site-to-Site record
> sink as well as a DatabaseRecordSink for writing to RDBMS targets.
> This Jira proposes to add a RecordSinkService implementation to enable
> Prometheus scraping. The PrometheusReportingTask exists (via NIFI-5435) to
> allow scraping of many available metrics, but a PrometheusRecordSink would
> allow scraping of these plus derived metrics (via SQL queries executed by
> QueryNiFiReportingTask) and analytical metrics such as connection status
> predictions (Time-to-Backpressure, e.g.).
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