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New Transport

Use the New Transport page to create a new transport.
It is not common to need another transport in addition to the default tcp transport.
The New Transport page contains the following options.

Configuration Name

The name of the configuration to which the settings on this page apply. This field is read only.

Transport Name

A unique name for the transport.

Classname

The class name of the transport implementation. The default value is com.sun.grizzly.TCPSelectorHandler.

Selection Key Handler

The class name of the selection key handler. A selection key handler is an abstract class that manages the lifecycle of selection keys. If you do not specify a value, a default implementation is used.

Byte Buffer Type

The type of ByteBuffer to be used. Available choices are HEAP and DIRECT. The default value is HEAP.

Acceptor Threads

The number of processors in the machine. A value of -1 indicates that Grizzly will calculate the number of acceptor threads itself, based on the number of processors in the machine. The default value is 1.
To set the number of request processing threads, set the Max Thread Pool Size value of the thread pool used by a network listener that uses this transport.

Max Connections Count

The maximum number of pending connections on a network listener that uses this transport. The default value is 4096.

Buffer Size

The size, in bytes, of the buffer to be provided for input streams created by a network listener that uses this transport. The default value is 8192.

Idle Key Timeout

The number of seconds after which an idle key will be cancelled and the channel closed. The default value is 30.

Read Timeout

The number of milliseconds the GlassFish Server waits during the header and body parsing phase of a read operation. The default value is 30,000.

Selector Poll Timeout

The number of milliseconds an NIO selector will block waiting for events (user requests). The default value is 1000.

Write Timeout

The number of milliseconds the GlassFish Server waits before considering the remote client disconnected when writing the response. The default value is 30,000.

Display Configuration

If this option is selected, Grizzly's internal configuration is flushed to the server logs. This option may provide useful information for debugging. This option is disabled by default.

Snoop

If this option is selected, the request/response information is dumped to the server log. This option may provide useful information for debugging, but will significantly reduce performance. This option is disabled by default.

TCP No Delay

If this option is selected, TCP_NODELAY (also called Nagle's algorithm) is enabled. This option is enabled by default.



Related Tasks


To Create a Transport


To Edit a Transport


To Delete a Transport



Related asadmin Commands


create-transport(1)


list-transports(1)


delete-transport(1)




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