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Re: [lvs-users] Re: IPVS Benchmarking

To: Joseph Mack <mack@xxxxxxxxxxx>
Subject: Re: [lvs-users] Re: IPVS Benchmarking
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Julian Anastasov <uli@xxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 24 Jan 2000 16:17:18 +0200 (EET)
        Hello,


On Mon, 24 Jan 2000, Joseph Mack wrote:

> Here is yesterday's table with an extra column added, the direct
> connection from client to director (c-d). It would seem that you can't get
> get more than 100Mbps through a single cable (the connection from client
> to director) with netpipe.  The director was heavily loaded in this test
> (load average >4) for 6 connections, since it has to generate the replies.
> By comparison when configured for VS-DR, the director has little load.

        Yes, in VS/NAT mode the director forwards the answers from the
real servers.

> 
> I will redo the tests that give results >100Mbps. I am beginning to think
> that netpipe may not be a good test - each window is sending its packet
> and measuring the throughput for its packet. If because of contention for
> resources, a netpipe process has to wait before starting to send a packet
> and this wait is not included in the timing, then the measured throughput
> will be higher than the real throughput. I will write to the netpipe
> person and ask about this.
> 
> In the meantime I will try the tests with ftp and measure the total
> time. 

        OK. You can try direct FTP test and ftp test through the VS or
just using standard MASQ module. By this way we can compare VS/NAT with 
standard MASQ. You can try GET and PUT commands.

Regards

--
Julian Anastasov <uli@xxxxxxxxxxxxxxxxxxxxxx>


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