[jira] [Updated] (NIFI-6349) MergeRecord does not merge fragmented files correctly

["Evan Reynolds (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-6349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Evan Reynolds updated NIFI-6349:
--------------------------------
    Labels: newbie pull-request-available  (was: )

> MergeRecord does not merge fragmented files correctly
> -----------------------------------------------------
>
>                 Key: NIFI-6349
>                 URL: https://issues.apache.org/jira/browse/NIFI-6349
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Extensions
>    Affects Versions: 1.9.2
>            Reporter: Evan Reynolds
>            Priority: Major
>              Labels: newbie, pull-request-available
>         Attachments: Merge_Test_Flow.xml
>
>   Original Estimate: 24h
>          Time Spent: 10m
>  Remaining Estimate: 23h 50m
>
> When MergeRecords tries to merge fragments it will close the bin after a single run. This means that fragments that come in seconds apart will not be merged.
> To replicate this, import the attached flow template and run the GenerateFlowFile processor. It will generate 2000 flow files. MergeRecord should merge them back but a number of them will fail.
> To replicate this in a unit test, go to the testDefragment method and change "runner.run(1)" to "runner.run(2)". It will fail.
> In code - it is using the minimum number of records, which defaults to 1, to see if the bin is full. Once a single fragment comes in, the bin will show full and will be marked complete. 



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