HPR Connections Link from EE workspace
The HPR Connections Link from EE workspace displays performance data for High-Performance Routing (HPR) Rapid Transfer Protocol (RTP) connections (pipes) when one endpoint of an HPR connection is located on a monitored z/OS® system image. An HPR connection is uniquely defined by a system name and the name of a local RTP physical unit (PU). This workspace filters on the EE Connection ID attribute, which provides the unique identifier for an Enterprise Extender connection you selected in the EE Connections workspace.
This workspace is displayed by clicking on a the link icon for a selected row of the EE Connections Summary table and selecting EE/HPR Connections Link.
Performance data for HPR connections that flow over EE connections is collected by default. You
can modify the collection to include HPR connections that do not flow over EE connections. To modify
the collection in this way, execute a KN3FCCMD START EEHPR command or specify
Yes as the value for the "All High Performance Routing Connections" field in the
Configuration Tool (the default is No) or as the value for the KN3_TCP_ALLHPR PARMGEN parameter. For
more information, see the IBM® Z OMEGAMON® AI for Networks:
Planning and Configuration Guide.
The HPR Connections Link from EE workspace contains following views:
- Round Trip Time Variance > 5 ms: Provides, by local RTP PU name, the average round-trip time variance in milliseconds (ms) or the smooth deviation for this RTP pipe when it is greater than 5 ms for the selected EE connection. This information is presented in a bar graph.
- Path Switches > 0: Provides, by local RTP PU name, the number of path switches that were initiated by the remote or local nodes during the most recent interval. This information is presented in a bar graph.
- Packet Retransmission Rate > 0: Provides, by local RTP PU name, the number of HPR packets that were retransmitted, per minute, during the most recent interval when these packet rates are greater than zero (0) for the selected EE connection. This information is presented in a bar graph.
- Byte Rate > 0: Provides, by local RTP PU name, the number
of HPR bytes that were sent and received, per minute, during the most
recent interval when that number is greater than zero (0) for the
selected EE connection. This information is presented in a bar graph
where:
- Yellow represents the Transmit Byte Rate.
- Blue represents the Receive Byte Rate.
- Packet Rate > 0: Provides, by local RTP PU name, the
number of HPR network-layer packets that were sent and received, per
minute, during the most recent interval when that number is greater
than zero (0) for the selected EE connection. This information is
presented in a bar graph where:
- Yellow represents the Transmit Packet Rate.
- Blue represents the Receive Packet Rate.
- Out-of-Sequence Buffers > 0: Provides, by local RTP PU name, the number of buffers that are in the out-of-sequence queue when that number is greater than zero (0) for the selected EE connection. This information is presented in a bar graph.
- Unacknowledged Buffers: Provides, by local RTP PU name, the number of buffers that are in the unacknowledged queue when that number is greater than zero (0) for the selected EE connection. This information is presented in a bar graph.
- HPR Connection Summary for PU Name = puname table: Provides detailed information about the HPR connections displayed in the bar charts on the HPR Connections Link from EE workspace.
Note: To limit the amount of information displayed, this workspace has a filter defined to the table query. The filter is: SESSIONS > 0. This filter restricts the number of rows retrieved.