On Fri, 22 Nov 2002, Robert J. Lebowitz wrote:
>
> > Sorry, today my 'd' key in Pine is pretty hungry and it nuked the email
> > about "userstat". Anyway, such command must be lightning fast even with
> > 50000 account in your db. Which OS are you using ? How do you run the
> > command ?
> >
>
> I'm running Linux 8.0 on a Duron 800 system. The system has literally no
> load on it because its an experimental test machine I use for projects like
> this one.
>
> I'm not sure that the code I've provided below really tells you much about
> how I'm communicating with my server. I'll try to summarize:
> [Test]
>
> public void NoUserStats() {
>
> UserStatCommand cmd = new UserStatCommand();
>
> cmd.Connection = cx;
>
> cmd.Domain = global.Domain;
>
> cmd.UserName = "mxyzptlk";
>
> IResponse rsp = cmd.Execute();
>
> Assertion.Assert(!rsp.IsOK);
>
> Assertion.Assert(rsp.Code != 0);
>
> Assertion.AssertNotNull("XMail Response Message", rsp.Message);
>
> if (rsp.IsOK) {
>
> Console.WriteLine(rsp.Text);
>
> }
>
> else {
>
> Console.Error.WriteLine(rsp.Text);
>
> }
>
> }
>
> The UserStatCommand class is just a simple wrapper that produces the
> correctly formatted text string according to the Ctrl API. The Connection
> class is a special class I designed that uses asynchronous sockets
> (involving callbacks, etc.) to communicate with the XMail server. I chose
> to use asynchronous sockets because I may want to administer my server
> remotely and I've found that network latency effects influence performance.
> Actually, the fact that I'm using async sockets shouldn't matter here,
> because my workstation and the server are on the same subnet with a switch
> connecting the two of them.
>
> The domain, username, etc are just strings, nothing fancy there.
>
> I "open" a connection, authenticate, then using my class, I issue the
> command and wait for a response. I validate the response text to make sure
> it adheres to the API guidelines, and run the "tests" etc.
>
>
>
> Nothing glamorous. I use the same sockets, etc. with all the other commands
> I've worked on so far (about a dozen of the API commands) and don't see the
> same loss of performance. That made me suspect that the problem is related
> to those situations where you don't have a real user's name (that's what I'm
> sending here... if you read Superman comics, you'll recognize Mr. Mxyzptlk.
> I have to assume I won't have a user with this name on my system (for now).
The userstat command does a db lookup and it does not change anything the
fact that you have an hit or a miss. Try the same command using CtrlClnt.
On my test install with 40000 fake accounts db, the userstat with a not
existing user takes 0 seconds.
- Davide
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