DB2 Version 9.7 for Linux, UNIX, and Windows

prefetch_wait_time - Time waited for prefetch monitor element

The time an application spent waiting for an I/O server (prefetcher) to finish loading pages into the buffer pool. The value is given in milliseconds.

Table 1. Snapshot Monitoring Information
Snapshot Level	Logical Data Grouping	Monitor Switch
Database	dbase	Buffer Pool
Application	appl	Buffer Pool

Table 2. Event Monitoring Information
Event Type	Logical Data Grouping	Monitor Switch
Database	event_db	-
Connection	event_conn	-

Usage: This element can be used to experiment with changing the number of I/O servers, and I/O server sizes.