[Qt-interest] Help with socketpair and QFiles

[Stephen Collyer]

On 9 April 2010 16:10, David Boosalis <david.boosalis at gmail.com> wrote:

> We compare two applications connected to the same server running on the
> same cllient desktop.  The not QT application is written in C++ for both its
> server and desktop clients, we do not have source code for non Qt apps -
> just exectubales. The Qt application using QTcpSpockets starts to lag and
> the lag grows by minutes as time goes on, like the data is being queued up.
> There is a lot of data going though the system.  If I use QUdpSockets there
> is no lag at all, but UDP is not viable at this time.  If I slow down the
> data throughput the lag also disappears.  The lag occurs on Windows XP and
> maybe Visita. Not sure about Linux desktop
>
> This sounds like you are not responding to, say, the readyRead() signal in
a timely manner, and Qt is buffering the socket data.

Does the application's memory usage increase at the same time ?

-- 
Stephen Collyer
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