As you have determined, it seems that MODE B (Block Mode) is the kicker. Using XMIT or TERSE would eliminate the need for MODE B. But we all know there is CPU consumption from using those two utilities on both ends.
Sent with Proton Mail secure email. On Thursday, March 28th, 2024 at 10:31 AM, Jousma, David <[email protected]> wrote: > And all lpars are at the same levels of software. > > Dave Jousma > Vice President | Director, Technology Engineering > > > > > > From: Jousma, David [email protected] > > Date: Thursday, March 28, 2024 at 10:30 AM > To: IBM Mainframe Discussion List [email protected] > > Subject: Re: Slow FTP's > Max, > > As mentioned, the 50Gb file with MODE B and EBCDIC is slow. Same file just > binary mode, it is fast. Of course, cant transmit a DSS dump as just binary. > > Dave Jousma > Vice President | Director, Technology Engineering > > > > > > From: IBM Mainframe Discussion List [email protected] on behalf of > Massimo Biancucci [email protected] > > Date: Thursday, March 28, 2024 at 10:26 AM > To: [email protected] [email protected] > > Subject: Re: Slow FTP's > Dave, it becomes more interesting. Could it depend on the file data itself ? > Have you tried a BIG file, EBCDIC with mostly the same data inside ? Same > kind of transmission, MODE B and EBCDIC. Regards. Max. Il giorno gio 28 mar > 2024 alle ore > > > Dave, > > > > it becomes more interesting. > > Could it depend on the file data itself ? > > > > Have you tried a BIG file, EBCDIC with mostly the same data inside ? > > Same kind of transmission, MODE B and EBCDIC. > > > > Regards. > > Max. > > > > > > > > This e-mail transmission contains information that is confidential and may be > privileged. It is intended only for the addressee(s) named above. If you > receive this e-mail in error, please do not read, copy or disseminate it in > any manner. If you are not the intended recipient, any disclosure, copying, > distribution or use of the contents of this information is prohibited. Please > reply to the message immediately by informing the sender that the message was > misdirected. After replying, please erase it from your computer system. Your > assistance in correcting this error is appreciated. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
