The '' and '' parameter values can be set to '0' if desired.Īs a "Best Practice", the sum total of the '' parameter values for all of the remote node records in the Netmap should not exceed the value set for the '' parameter in the 'local.node' record. This is the total number of concurrent sessions the Connect:Direct server can establish as the Secondary node with this specific remote node. This is the total number of concurrent sessions the Connect:Direct server can establish as the Primary node with this specific remote node.ģ. sess.total - This is the total of all incoming and outgoing sessions the Connect:Direct server can establish with this specific remote node.Ģ. Set the '' and '' parameter values accordingly do not exceed the session total specified in your contract license.įor any changes made to the 'local.node' record in the Netmap, you will need to restart the CDU server to pick up the changes.Įach remote node with which your Connect:Direct Server can communicate will have a record in the Netmap.įor each remote node record in the Netmap, there are three parameters for controlling the sessions with that specific remote node.ġ. If you expect your Connect:Direct server to send more files concurrently than receive, allocate more sessions to the '' parameter. If you expect your Connect:Direct server to receive more files concurrently then send, allocate a greater number of sessions to the '' parameter. The '' and '' parameter values will need to be divided out from the total sessions allowed (in your license) according to your expectations for the workload on your Connect:Direct server.Īs a "Best Practice", the sum of the '' and '' parameter values should not be greater than the value specified for the 'sess.total' parameter. Set the 'sess.total' parameter value to the number of allowed sessions specified in your license. Set the the three session control parameters to the maximum values for the sessions you expect your Connect:Direct server to handle.Īs a "Best Practice", the 'sess.total' value should be set to the sum of the '' and '' values.īear in mind the system resource considerations noted above. If the '' or '' values are set larger than the 'sess.total' value, the system will silently round the values down to the 'sess.total' value. Bear in mind the system resource considerations noted above. The session maximum values are '999' each. The values given are installation defaults. This is an example of a default Local Node Connection Record. This is the total number of concurrent sessions the Connect:Direct server can establish as the Secondary node with all remote nodes. This is the total number of concurrent sessions the Connect:Direct server can establish as the Primary node with all remote nodes.ģ. You must define enough file descriptors to handle the total number of concurrent sessions configured.Ģ. CDPMGR inherits the file descriptor limits from the environment of the user ID that starts the CDU CDPMGR service. The file descriptors value is system dependent. A CDU server session takes up two file descriptors. The sum of '' and 'sess.total' cannot exceed the number of file descriptors available. sess.total - This is the total of all incoming and outgoing sessions the Connect:Direct server can establish with all remote nodes. There are three parameters for controlling the total concurrent sessions with which the Connect:Direct server can establish with all remote nodes.ġ. Please consult your IBM Sales Representative concerning capacity planning, workload analysis, and sizing questions. The more concurrent sessions in use, the more system resources are needed such as CPU and memory capacity. Running the Connect:Direct for UNIX server under maximum session loads can affect the overall performance of the system. Once you have determined the total number of sessions you are allowed, you are ready to configure the session parameters in the Netmap for Connect:Direct for UNIX. Session counts are subject to IBM audits. You may need to contact your IBM Sales Representative to verify this information. It is your responsibility to know what type of license you have and the number of sessions you are entitled to use. If you have a "Standard" license, then the license will specify the total number of sessions you are entitled to use. If you have a "Premium" license, then you can use up to 999 sessions for all incoming and outgoing connections to remote nodes. This is determined by your contract license agreement that you signed when you acquired the Connect:Direct software. Before you can configure the session values in Connect:Direct for UNIX, you need to determine the total number of sessions you are entitled to use.
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