指标名称 | 正常范围 | 异常表现 | 来源位置 |
| Hard Parse Rate (%) | < 10% | > 15% 表示硬解析过多 | SQL Statistics |
| Parse CPU to Parse Elapsed % | > 80% | 偏低说明解析等待严重 | Instance Efficiency Percentages |
| Library Hit % | > 95% | < 90% 存在共享问题 | Instance Efficiency Percentages |
| Reloads / Pin + Reloads | < 1% | 高值表示library cache reload频繁 | Library Cache Activity |
| Shared Pool Free Memory (MB) | > 10% 总大小 | 持续低于5% 可能不足 | Memory Statistics |
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