October 2020
Intermediate to advanced
261 pages
5h 32m
Chinese
Content preview from Graphite监控
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工具栏
｜
87
图5-13：自动刷新图表
选择时间范围
在对
Graphite
服务器上的一些（假想的）异常行为进行故障排除的过程中，我在图表中
添加了两个新指标 ：
committedPoints
和
updateOperations
。前者跟踪写入磁盘的数据
点的数量，后者表示
Carbon
进程对所有
Whisper
文件执行更新操作的次数。我在一系
列稳定的指标数据中发现了一个异常点，所以我决定使用“选择日期范围”（
Select Date
Range
）对话框放大并仔细查看。
单击“日历”图标将显示日期时间选择器，允许你选择图表数据的开始日期和结束日期（以
及时间）（参见图
5-14
）。在我的示例中，我想突出显示一个范围，显示
committedPoints
的特定峰值。对于你而言，应该熟悉选择月份和小时的各种输入方法（参见图
5-15
）。
图5-14：“选择时间范围”按钮
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