IBM
C2090-312 · Question #128
Poorly tuned memory can affect application performance, such as having sequential prefetch turned off. Which statistic should you monitor from the statistics report to be sure this is not occurring?
The correct answer is A. PREF.DISABLED-NO BUFFER. See the full explanation below for the reasoning.
Question
Poorly tuned memory can affect application performance, such as having sequential prefetch turned off. Which statistic should you monitor from the statistics report to be sure this is not occurring?
Options
- APREF.DISABLED-NO BUFFER
- BPREF.DISABLED-NO READ ENG
- CBUFF.UPDATES/PAGES WRITTEN
- DPAGES WRITTEN PER WRITE I/O
How the community answered
(49 responses)- A80% (39)
- B2% (1)
- C6% (3)
- D12% (6)
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