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https://issues.apache.org/jira/browse/NIFI-985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903348#comment-14903348
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ASF GitHub Bot commented on NIFI-985:
-------------------------------------
Github user apiri commented on a diff in the pull request:
https://github.com/apache/nifi/pull/90#discussion_r40137272
--- Diff:
nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/LogAttribute.java
---
@@ -79,6 +81,14 @@
.allowableValues("true", "false")
.build();
+ public static final PropertyDescriptor LOG_PREFIX = new
PropertyDescriptor.Builder()
+ .name("Log prefix")
+ .required(false)
+ .description("Log prefix appended to the log lines. It helps
to distinguish the output of multiple LogAttribute processors.")
+ .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .expressionLanguageSupported(true)
--- End diff --
This is good to note that the property supports EL (this is the indicator
via the UI)
> Custom log prefix for LogAttribute processor
> --------------------------------------------
>
> Key: NIFI-985
> URL: https://issues.apache.org/jira/browse/NIFI-985
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Joe Mészáros
> Priority: Minor
> Labels: improvement, log
> Attachments: nifi_log_prefix_updated.png
>
>
> When you have a data flow with a bunch of LogAttribute processors it is
> really hard to identify the right LogAttribute processor in the log file and
> distinguish the output of different LogAttribute processors.
> There is a new property, called log prefix, which helps the user to set a
> custom log prefix for each Log Attribute processor, which will appear in the
> log output of the processor.
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