[jira] [Updated] (NIFI-4375) Add bufferSize processor configuration to PutFTP

["Koji Kawamura (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-4375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Koji Kawamura updated NIFI-4375:
--------------------------------
    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_2kg@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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