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https://issues.apache.org/jira/browse/NIFI-4496?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16301481#comment-16301481
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ASF GitHub Bot commented on NIFI-4496:
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Github user asfgit closed the pull request at:
https://github.com/apache/nifi/pull/2245
> Improve performance of CSVReader
> --------------------------------
>
> Key: NIFI-4496
> URL: https://issues.apache.org/jira/browse/NIFI-4496
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Fix For: 1.5.0
>
>
> During some throughput testing, it was noted that the CSVReader was not as
> fast as desired, processing less than 50k records per second. A look at [this
> benchmark|https://github.com/uniVocity/csv-parsers-comparison] implies that
> the Apache Commons CSV parser (used by CSVReader) is quite slow compared to
> others.
> From that benchmark it appears that CSVReader could be enhanced by using a
> different CSV parser under the hood. Perhaps Jackson is the best choice, as
> it is fast when values are quoted, and is a mature and maintained codebase.
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