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24.13.4. Tuning the Polling Process

Polling can be controlled and modified with two parameters.
Seam.Remoting.pollInterval controls how long to wait between subsequent polls for new messages. This parameter is expressed in seconds, and its default setting is 10.
Seam.Remoting.pollTimeout is also expressed in seconds. It controls how long a request to the server should wait for a new message before timing out and sending an empty response. Its default is 0 seconds, which means that when the server is polled, if there are no messages ready for delivery, an empty response will be immediately returned.
Use caution when setting a high pollTimeout value. Each request that has to wait for a message uses a server thread until either the message is received, or the request times out. If many such requests are served simultaneously, a large number of server threads will be used.
We recommend setting these options in components.xml, but they can be overridden with JavaScript if desired. The following example demonstrates a more aggressive polling method. Set these parameters to values that suit your application:
In components.xml: 
<remoting:remoting poll-timeout="5" poll-interval="1"/>
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With Java: 
// Only wait 1 second between receiving a poll response and sending 
// the next poll request. 
Seam.Remoting.pollInterval = 1; 
// Wait up to 5 seconds on the server for new messages 
Seam.Remoting.pollTimeout = 5;
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