Top 5 Timed Foreground Events
Event | Waits | Time(s) | Avg wait (ms) | % DB time | Wait Class | DB CPU | | 149 | | 136.31 | | log file sync | 2,280 | 4 | 2 | 3.64 | Commit | db file sequential read | 639 | 1 | 1 | 0.57 | User I/O | SQL*Net message to client | 51,254 | 0 | 0 | 0.25 | Network | db file scattered read | 87 | 0 | 3 | 0.22 | User I/O
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这个AWR有问题 数据可能不反应真实情况
Memory Statistics
| Begin | End | Host Mem (MB): | 32,175.9 | 32,175.9 | SGA use (MB): | 1,536.0 | 1,536.0 | PGA use (MB): | 149.5 | 116.8 | % Host Mem used for SGA+PGA: | 5.24 | 5.24 |
sga+pga占的内存很少
考虑从 网络层面优化, 把用户的查询拿出来 在 客户端和服务器端运行对比时间
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