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https://issues.apache.org/jira/browse/NIFI-4375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Kawamura updated NIFI-4375:
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Status: Patch Available (was: In Progress)
> Add bufferSize processor configuration to PutFTP
> ------------------------------------------------
>
> Key: NIFI-4375
> URL: https://issues.apache.org/jira/browse/NIFI-4375
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Koji Kawamura
> Assignee: Koji Kawamura
>
> PufFTP is reported that it is significantly slower to transfer the same file
> compared with mput command.
> https://mail-archives.apache.org/mod_mbox/nifi-users/201709.mbox/%3cca+wj-+kqr6_ujfvewoa6akmudcevse+7wnm6xq9ahwfwvj_...@mail.gmail.com%3E
> It is less performant because it does not set buffer size of underlying
> org.apache.commons.net.ftp.FTPClient. The default buffer size is only 1KB.
> Setting larger buffer size improves transfer rate.
> {code}
> To send 10MB file
> # BufferSize = 1KB (default)
> about 8 sec
> # BufferSize = 16KB
> about 300 ms
> {code}
> PutFTP should provide a property to specify a buffer size, and default value
> should be bigger.
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