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Configuring Connectors

acceptors

The number of thread dedicated to accepting incoming connections.

lowResourcesConnections

Set the number of connections, which if exceeded places this connector in a low resources state. This is not an exact measure as the connection count is averaged over the select sets. When in a low resources state, different idle timeouts can apply on connections (see lowResourcesMaxIdleTime).

lowResourcesMaxIdleTime

Set the period in ms that a connection is allowed to be idle when this there are more than lowResourcesConnections connections. This allows the server to rapidly close idle connections in order to gracefully handle high load situations.

maxIdleTime

Set the maximum Idle time for a connection, which roughly translates to the Socket.setSoTimeout(int) call, although with NIO implementations other mechanisms may be used to implement the timeout. The max idle time is applied: when waiting for a new request to be received on a connection; when reading the headers and content of a request; when writing the headers and content of a response. Jetty interprets this value as the maximum time between some progress being made on the connection. So if a single byte is read or written, then the timeout (if implemented by jetty) is reset. However, in many instances, the reading/writing is delegated to the JVM, and the semantic is more strictly enforced as the maximum time a single read/write operation can take. Note, that as Jetty supports writes of memory mapped file buffers, then a write may take many 10s of seconds for large content written to a slow device.

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Contact the core Jetty developers at www.webtide.com
private support for your internal/customer projects ... custom extensions and distributions ... versioned snapshots for indefinite support ... scalability guidance for your apps and Ajax/Comet projects ... development services from 1 day to full product delivery