Statistics resource groups

Every statistic belongs to a resource group. Resource groups define an area for which statistical data can be associated and retrieved. Resource groups are available from the CICS Transaction Gateway.

A resource group is a logical grouping of resources, such as connection managers. It defines an area for which statistical data can be associated and retrieved. Each resource group has these characteristics:
ID
A unique identifier for the resource group. The ID is used by the administration interface and the statistical API to retrieve statistics, and is not case-sensitive.
Name
The name of the resource group, displayed when the administration interface is used to display statistical information.
Description
A description of the resource group.
These resource groups are defined:
Table 1. Resource groups
ID Name Description
CM Connection manager statistics Statistics about connection manager threads.
CS CICS server (all) statistics Statistics about all CICS servers.
CSx CICS server (instance) statistics Statistics for an individual CICS server, where x is the APPLID of the CICS server.
GD Gateway daemon statistics Statistics on transaction counts, request counts, and Gateway status.
LS Logical CICS server (all) statistics Statistics for logical CICS servers.
LSx Logical CICS server (instance) statistics Statistics for an individual logical CICS server.
PH Protocol handler statistics Statistics about protocol handlers.
SE System environment statistics Statistics about the System Environment of the Gateway daemon.
WT Worker thread statistics Statistics about worker threads.

Connection manager resource group (CM)

Statistics are available for connection manager threads. These statistics identify the characteristics for the pool of connection manager threads and are useful for analyzing resource usage, capacity planning and diagnosing system problems.

CICS Server (all) resource group (CS)

Statistics are available that summarize interactions with all associated CICS servers.

CICS Server (instance) resource group (CSx)

Statistics are available for each specific CICS server "x". In general, the statistic IDs of the CS resource group which summarize activity across all associated CICS servers, can be found for each CICS server in the corresponding CSx resource group.

For example, a CICS Transaction Gateway connected to a CICS server defined by the name CICSAOR1 is represented by resource group CSCICSAOR1. An example of a statistical ID available for such a resource group is CSCICSAOR1_LALLREQ. If the server name contains any underscores (_), they are replaced with hyphens (-) in the resource group ID.

A CSx resource group is available for a connected CICS server regardless of the protocol used. However, there are some protocol-specific statistic IDs. The CSx_SPROTOCOL statistic is provided to distinguish the set of values that can be expected for a given CSx resource group, especially for use by a Statistics API program.

Statistics for a CICS server connected over IPIC or EXCI are available after a connection is attempted.

Gateway daemon resource group (GD)

Statistics are available for the Gateway daemon. These statistics include status, an indication of work done on behalf of remote mode Client applications, completed and active transactions. Although there is a correlation between the number of requests counted in the GD and CS resource groups, requests counted in the GD resource group reflect remote Client requests and are likely to be different from the CS resource group request counts. Some Client requests do not require any interaction with a CICS server; for example, list systems. Other Client requests might require more than one interaction with a CICS server.

Logical CICS server (all) resource group (LS)

CICS Transaction Gateway records the number of requests, for all associated logical CICS servers, that have been remapped, since startup and since the start of the interval. A runtime statistic enables the proportion of mapped requests to be calculated.

Logical CICS server (instance) resource group (LSx)

Statistics are available for each specific logical CICS server "x" to show the number of requests that have been received for this logical CICS server in the interval and since startup.

Protocol handler resource group (PH)

Statistics are available to identify whether the SSL and TCP protocol handlers are enabled and the port numbers in use. A value of -1 is returned if the protocol is not enabled.

System environment resource group (SE)

Statistics are available to assist in the analysis of storage usage by the Gateway daemon. JVM Heap storage and Garbage Collection (GC) information is provided. In addition, statistical values representing region storage availability and current usage are provide on the z/OS platform.

Worker thread resource group (WT)

Statistics are available for the worker threads. These statistics identify the characteristics for the pool of worker threads that can be used by connection managers. These statistics are useful for analyzing resource usage and capacity planning, and for diagnosing system problems.


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Timestamp icon Last updated: Tuesday, 19 November 2013


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