Beyond Basics

Disk structures and how to examine them

chunks - Average service times (usecs) by bottlenecks

select dbsnum, chknum, fname

readtime / reads read_svc_usecs,

writetime / writes write_svc_usecs,

readtime / pagesread page_read_svc_usecs,

writetime / pageswritten page_write_svc_usecs

from syschktab

order by 4 desc, 5 desc;