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z/OS Connect observability support enables traces and metrics for REST-API requests processed by z/OS Connect servers. Traces also contain additional metadata (attributes) that can be included in capacity planning or application tuning analysis for optimal observability results.
z/OS Connect Metrics Streaming
z/IRIS supports SMF 123 version 1 and version 2 records for Metrics streaming.
z/OS Connect version 1 metrics provides zosconnect_basic metrics. These metrics provide z/OS Connect request entry and exit timestamps, elapsed time and basic request method and user data.
z/OS Connect version 2 metrics provides zosconnect_advanced metrics. These metrics provide zosconnect_basic metrics and additional data about the System-Of-Record (SOR) entry and exit timestamps, elapsed times, more request data and HTTP response codes.
For more information about these metrics see: z/OS Connect Metrics Streaming.
z/OS Connect Trace Streaming
z/IRIS creates traces from SMF 123 version 2 records that provide performance and system information for each REST-API requests processed on monitored z/OS Connect servers. Trace metadata/attributes can be used in capacity planning or application tuning queries to achieve end-to-end application analysis results.
Users have access to the following information for each Rest API request made by their applications processed, that are processed on z/OS Connect server:
request entry and exit times reported by the z/OS Connect server, and the calculated elapsed time (span time).
request entry and exit times reported by the System-Of-Record (SOR), which can be CICS or IMS systems, Db2 or batch programs.
SOR identifiers useful for support escalation to mainframe SMEs.
request and response payload, HTTP response and z/OS authorization identifiers.