• Subject: Re: Objectconnect speed
  • From: "Al Barsa, Jr." <barsa2@xxxxxxx>
  • Date: Thu, 04 Jan 2001 09:59:45 -0500

At 07:30 PM 1/3/01 -0500, you wrote:
>Has anyone experience with ObjectConnect and what kind of speed you can
>get with the thing? Recently I timed the movement of a single 5GB
>physical file and got barely 5Mb/sec speed. The sending machine is an
>S20 4-way at V4R2, the receiving machine an 820 2-Way. Neither was doing
>anything at the time (CPU <5% on both). The connection is pure SNA over
>Ethernet. The Ethernet cards are both 100M and each reports a 100M full
>duplex connection. Both are connected to the same Ethernet Switch which
>reports virtually no traffic utilization.  Even wrksysact shows the send
>and recieve tasks using virtually no CPU and no I/O. I'm going to try
>again with performance tools running but.....

I have a lot of experience using ObjectConnect.  Under the covers, it saves 
it (whatever) to an internal save file, sends it to the other system, 
restores it, deletes the save file, and sends the completion messages back 
to the sending system.

Now, the last phrase is the rub.  Because it waits for the restore to 
complete, and sends back the messages, it can take much longer than doing 
it yourself.  But when you do it yourself, you can be multitasking, and you 
know exactly what part of the delay is the transmission time.

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