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This RFE is satisfied by CICS TS 5.3 which is generally available from December 11th 2015.
The new SOTUNING SIT parameter specifies whether performance tuning for HTTP connections occur to protect CICS from unconstrained resource demand. If the SOTUNING SIT parameter is set to the default value of YES, if the region becomes overloaded CICS temporarily stops listening for new HTTP connection requests. If overloading continues, CICS closes existing HTTP persistent connections and marks all new HTTP connections as non-persistent. These actions prevent oversupply of new HTTP work from being received and queued within CICS, allowing feedback to TCP/IP port sharing and Sysplex Distributor, promoting a balanced sharing of workload with other regions that are sharing the same IP endpoint and allowing the CICS region to recover more quickly.If SOTUNING is set to YES, CICS periodically closes persistent connections to allow more efficient sharing of workload across regions that share IP endpoints, using technologies such as TCP/IP shared ports and Sysplex distributor.
This RFE is satisfied by CICS TS 5.3 which was announced on October 5th 2015 with a planned general availability date of December 11th 2015.
For more information see the announcement letter http://www.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&supplier=897&letternum=ENUS215-363
Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - Transaction Processing
Product - CICS Transaction Server
For recording keeping, the previous attributes were:
Brand - WebSphere
Product family - Transaction Processing
Product - CICS Transaction Server
This is something we would like to address. The RFE is being moved into 'Planned for Future release' status. Please note:
IBM’s statements regarding its plans, directions, and intent are subject to change or withdrawal without notice at IBM’s sole discretion. Information regarding potential future products is intended to outline our general product direction and it should not be relied on in making a purchasing decision. The information mentioned regarding potential future products is not a commitment, promise, or legal obligation to deliver any material, code or functionality. Information about potential future products may not be incorporated into any contract. The development, release, and timing of any future features or functionality described for our products remains at our sole discretion.
It would be useful to understand what criteria need to be considered for feedback into the socket listening process. The RFE describes the SOS condition, but there are also MAXTASK and TCLASS limits which can affect the task scheduling from the socket listening process. Do you use MXT and/or TCLASS limits to control transaction scheduling from TCPIPServices.