[
https://issues.apache.org/jira/browse/NIFI-3716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16000668#comment-16000668
]
ASF GitHub Bot commented on NIFI-3716:
--------------------------------------
Github user josephxsxn commented on the issue:
https://github.com/apache/nifi/pull/1747
Test fails when building Looks trivial see below. Also built it with
skipTests anyway just to run it again, on 1 Cluster I am getting a null.
```
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.nifi.toolkit.FlowAnalyzerDriverTest
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.018 sec
<<< FAILURE! - in org.apache.nifi.toolkit.FlowAnalyzerDriverTest
convertBytesToGB(org.apache.nifi.toolkit.FlowAnalyzerDriverTest) Time
elapsed: 0.006 sec <<< FAILURE!
org.junit.ComparisonFailure: expected:<13[]> but was:<13[.000000000]>
at org.junit.Assert.assertEquals(Assert.java:115)
at org.junit.Assert.assertEquals(Assert.java:144)
at
org.apache.nifi.toolkit.FlowAnalyzerDriverTest.convertBytesToGB(FlowAnalyzerDriverTest.java:37)
Results :
Failed tests:
FlowAnalyzerDriverTest.convertBytesToGB:37 expected:<13[]> but
was:<13[.000000000]>
```
```
/usr/jdk64/jdk1.8.0_60/bin/java -cp
./nifi-toolkit-flowanalyzer-1.2.0-SNAPSHOT.jar
org.apache.nifi.toolkit.flowanalyzer.FlowAnalyzerDriver
/usr/hdf/nifi/conf/flow.xml.gz
Using flowfile=/usr/hdf/nifi/conf/flow.xml.gz
java.lang.ArithmeticException: Non-terminating decimal expansion; no exact
representable decimal result.
at java.math.BigDecimal.divide(BigDecimal.java:1690)
at
org.apache.nifi.toolkit.flowanalyzer.FlowAnalyzerDriver.main(FlowAnalyzerDriver.java:91)
Exception Occured while attempting to parse Flowfile.xml. Cause: null
```
> Utility to calculate MAX storage required for BackPressure on a Node
> --------------------------------------------------------------------
>
> Key: NIFI-3716
> URL: https://issues.apache.org/jira/browse/NIFI-3716
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Joseph Niemiec
> Assignee: Eric Ulicny
> Priority: Trivial
>
> Today there is no way to understand the max amount of data which can be
> stored in backpressure for a given flow. Personally have had users configure
> queues with impossible backpressure amounts that would definitely fill the
> disk, having an operational tool to understand if anyone has done something
> so dramatic would be helpful.
> I see this produce a report by analyzing the FlowFile.xml.gz.
> * Total Storage for all queues Backpressure
> * Average Storage of all queues Backpressure
> * Min and Max of all queues Backpressure over the entire flow.
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