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https://issues.apache.org/jira/browse/NIFI-3599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16402427#comment-16402427
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ASF GitHub Bot commented on NIFI-3599:
--------------------------------------
Github user mcgilman commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2497#discussion_r175197796
--- Diff:
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/StandardFlowFileQueue.java
---
@@ -139,6 +137,36 @@ public StandardFlowFileQueue(final String identifier,
final Connection connectio
readLock = new TimedLock(this.lock.readLock(), identifier + " Read
Lock", 100);
writeLock = new TimedLock(this.lock.writeLock(), identifier + "
Write Lock", 100);
+
+ NiFiProperties nifiProps =
NiFiProperties.createBasicNiFiProperties(null, null);
--- End diff --
This current approach will load the properties file every time a connection
is created. Can we follow the approach that was taken with the
`queueSwapThreshold` instead? Usually, this sort of parsing logic is in
`NiFiProperties` so that `getBackPressureObjectThreshold` and
`getBackPressureDataSizeThreshold` return the parsed value.
> Add nifi.properties value to globally set the default backpressure size
> threshold for each connection
> -----------------------------------------------------------------------------------------------------
>
> Key: NIFI-3599
> URL: https://issues.apache.org/jira/browse/NIFI-3599
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Configuration
> Reporter: Jeremy Dyer
> Assignee: Michael Moser
> Priority: Major
>
> By default each new connection added to the workflow canvas will have a
> default backpressure size threshold of 10,000 objects. While the threshold
> can be changed on a connection level it would be convenient to have a global
> mechanism for setting that value to something other than 10,000. This
> enhancement would add a property to nifi.properties that would allow for this
> threshold to be set globally unless otherwise overridden at the connection
> level.
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