I have a fairly straight forward system which consists of one large screen showing the status of order numbers and a user screen (iPad) where they are changed.
Both are simple html/php pages and were working fine an hour ago.
The main screen is set to refresh every 3 seconds with the following code (this is the only actual script in this page).
$(document).ready(function() {
setInterval(timingLoad, 3000);
function timingLoad() {
$('#main').load('update_divs.php #main', function() {
});
}
});
This is all setup on a small standalone Linux pc running as a LAMP server with no internet access.
The refresh runs 3 very basic php SQL requests to populate the Div with current position.
According to the user it has been working fine all afternoon but now will not update unless the mouse is moved, as soon as the mouse has had any movement the screen immediately updates to the latest position. This is not at all ideal as there shouldn't even be a need for a mouse to be connected to the PC.
Is it possible that I'm refreshing the page too often and somehow causing a memory issue or is this some other issue that people are aware of?
I've told them to restart the PC when they get a chance and I feel (as I've not heard from them in last half hour) that this has resolved it but obviously it is possibly going to happen again if I can't resolve it.
Any thoughts?