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AWR report findings

edited Oct 1, 2019 5:01AM in Database Tuning (MOSC) 8 commentsAnswered

Oracle Database 12.2.0

ASM

Oceanstor storage

SAS disks 5 TB, archive (2 TB)

Hello Team,

I would like some guidance on AWR report.

Could you please advise:

1. What are some key metrics to first check when looking at an AWR report? SQL Elapsed time, Top 10 foreground events

2. In the recommendations section, could you please help me

Summary of Findings

-------------------

  Description Active Sessions Recommendations

  Percent of Activity

  ---------------------------------------- ------------------- ---------------

1 Checkpoints Due to MTTR 10.42 | 76.06 1

2 Top Segments by "User I/O" and "Cluster" 8.83 | 64.41 3

3 Top SQL Statements 8.52 | 62.19 6

4 I/O Throughput 2.68 | 19.57 1

5 Undersized SGA 1.69 | 12.3 1

6 Unusual "Other" Wait Event .65 | 4.73 3

7 Unusual "Other" Wait Event .43 | 3.17 4

8 Undersized PGA .21 | 1.56 0

Should recommendations 1 be checked first?

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