Oracle Wait Interface: A Practical Guide to Performance Diagnostics & Tuning (Osborne ORACLE Press Series)
H
hash buckets, 160 ‚ 161, 162
hash chains, 166 ‚ 167, 174
heap dumps, 310 ‚ 312
high version counts, library cache latches, 158 ‚ 159
high watermark, HW enqueue, 234
high_snap_id parameter, 249
historical data
importance of, 78 ‚ 79
OWI limitations, 46
root cause analysis of, 79 ‚ 80
hit ratios. See cache-hit ratio method
hot blocks, 163 ‚ 166
hot spots, 111
HP-UX operating system
improving DBWR average write times, 133
interconnect protocol, 226
RAC network protocols, 225
HW enqueue, 234