Michael Moser created NIFI-697:
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Summary: MergeContent and queue swapping
Key: NIFI-697
URL: https://issues.apache.org/jira/browse/NIFI-697
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 0.1.0
Reporter: Michael Moser
Priority: Minor
MergeContent will not place more files into bins than the nifi.properties
nifi.queue.swap.threshold (default 20,000). This is probably worth a
documentation note. Perhaps in the Maximum Number of Entries description in
BinFiles. It says "The maximum number of files to include in a bundle. If not
specified, there is no maximum." The maximum seems to be =
nifi.queue.swap.threshold.
Test Case: GenerateFlowFile and put about 81,000 files into a queue to
MergeContent. Wait for most of them to be swapped out. Set Minimum Number of
Entries to 25000. Set Max Bin Age to 1 min. When you start MergeContent, it
will wait the Max Bin Age duration, then it will merge 20,000 files (the
nifi.queue.swap.threshold).
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