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Status Not under consideration
Workspace z/OS Connect
Created by Guest
Created on Mar 29, 2019

RELATED IDEAS

zCEE Add custom header in request pre-invoke interceptor

We were looking at having the preinvoke request interceptor ADD a new custom header to the flow, that would contain the value of System.currentTimeMillis(); it could contain other values as well for future needs. On the post invoke; read the header to get that value; do another System.currentTimeMillis(), calculate the difference to determine the round trip time. This could be forwarded to our monitoring system and if the time exceeds a threshold, send out an alert.

Idea priority Medium
  • Guest
    Reply
    |     Apr 29, 2019

    There are various existing features and sources of information that could be used today to determine round-trip time with IBM z/OS Connect EE V3, including the ability to integrate with analytics platforms through IBM Common Data Provider for z Systems.

    Today IBM z/OS Connect EE provides SMF type 123 subtype 01 records including time of entry (TIME_ZC_ENTRY) and response (TIME_ZC_EXIT), in Store Clock format. For full details, see Table 6:
    https://www.ibm.com/support/knowledgecenter/en/SS4SVW_3.0.0/configuring/auditing_intro.html

    IBM Common Data Provider for z Systems V1.1.0 added support for SMF 123 subtype 1 records in March 2019, and can be used for integration with analytics platforms such as Splunk. For more details, see the summary of new features:
    https://www.ibm.com/support/knowledgecenter/en/SSGE3R_1.1.0/cdp_v110.html

    IBM z/OS Connect EE V3.0.16 introduced an map of values to the interceptor framework via the getData method. The new map includes a more detailed break-down of the round-trip, providing the following timestamps in extended store clock format:
    TIME_ZOS_CONNECT_ENTRY
    TIME_ZOS_CONNECT_EXIT
    TIME_SOR_SENT
    TIME_SOR_RECEIVED

    See the associated Javadoc for further details, e.g.:
    https://www.ibm.com/support/knowledgecenter/SS4SVW_3.0.0/javadoc/com/ibm/zosconnect/spi/Data.html?view=embed#TIME_ZOS_CONNECT_ENTRY

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