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https://issues.apache.org/jira/browse/NIFI-4805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16653956#comment-16653956
]
ASF GitHub Bot commented on NIFI-4805:
--------------------------------------
Github user bdesert commented on a diff in the pull request:
https://github.com/apache/nifi/pull/3078#discussion_r226028831
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PenalizeFlowFile.java
---
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.nifi.processors.standard;
+import org.apache.nifi.annotation.behavior.EventDriven;
+import org.apache.nifi.annotation.behavior.InputRequirement;
+import org.apache.nifi.annotation.behavior.SideEffectFree;
+import org.apache.nifi.annotation.behavior.SupportsBatching;
+import org.apache.nifi.annotation.behavior.WritesAttribute;
--- End diff --
```suggestion
```
> allow delayed transfer
> ----------------------
>
> Key: NIFI-4805
> URL: https://issues.apache.org/jira/browse/NIFI-4805
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Reporter: Martin Mucha
> Assignee: Peter Wicks
> Priority: Minor
> Attachments: retry.xml
>
>
> Nifi has concept of penalization, but this penalization has fixed delay, and
> there isn't way how to change it dynamically.
> If we want to implement retry flow, where FlowFile flows in loop, we can
> either lower performance of Processor via yielding it, or we can do active
> waiting. And this is actually recommended as a correct way how to do that.
> It seems, that we can easily implement better RetryProcessor, all we missing
> is `session.penalize` which accepts `penalizationPeriod`. Processor then can
> gradually prolong waiting time after each failure.
>
> Would it be possible to make such method visible?
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