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Conference turris::digital_unix

Title:DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:Welcome to the Digital UNIX Conference
Moderator:SMURF::DENHAM
Created:Thu Mar 16 1995
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:10068
Total number of notes:35879

9930.0. "Slow FTP through Memory channel" by NNTPD::"[email protected]" (DongHee Lee) Fri May 23 1997 05:15

Hi,

I am testing and comparing FTP performance through memory channel 
with FTP through Ethernet.

I found something strange when transfering 1GB file through memory channel.
At that time, System which receive file access / and /usr filesystem.
At the case of Ethernet, System doesn't.
Memory Channel's result is not much fast than Ethernet.

I want to know where system try to access / and /usr filesystem and why.
How can I speed up ftp through memory channel?

df
/dev/rz1a     290030    143868     117158      56%        /
/dev/rz1g    39552292  1294543    2266509      37%        /usr
/dev/rz3c     8123912   3010072    4901448     42%        /data

 
File transfer : System A -> System B
                /data/1gb    /data/1gb

I guess process related to Memory channel try to something to /var.

Thank you in advance.


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