DB2 Version 9.7 for Linux, UNIX, and Windows

fcm_send_wait_time - FCM send wait time monitor element

The time spent blocking on an FCM send operation. This includes time spent waiting for buffers for internal requests to be flushed and time spent waiting for window count acknowledgements when sending data over table queues. The value is given in milliseconds.

Table 2. Event Monitoring Information
Event Type Logical Data Grouping Monitor Switch
Activities event_activity (reported in the details_xml document) ACTIVITY METRICS BASE
Activities event_activitymetrics ACTIVITY METRICS BASE
Statistics event_scstats (reported in the metrics document) REQUEST METRICS BASE
Statistics event_wlstats (reported in the metrics document) REQUEST METRICS BASE
Unit of work Reported in the system_metrics document. REQUEST METRICS BASE
Package cache Reported in the activity_metrics document. ACTIVITY METRICS BASE
Statistics event_scmetrics* REQUEST METRICS BASE
Statistics event_wlmetrics* REQUEST METRICS BASE
* When returned as part of this logical data group, this element reflects the change in value of this metric since the last statistics collection or database activation, whichever was more recent.

Usage

Use this element to determine the total time spent waiting to send data through FCM. This includes both request messages and table queue data.