本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 計數器指標的績效詳情
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計數器指標是績效詳情儀表板中的作業系統指標。若要協助識別並分析效能問題，您可以將計數器指標與資料庫負載相互關聯。

## 績效詳情作業系統計數器
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Amazon DocumentDB Performance Insights 提供下列作業系統計數器。


| 計數器 | 類型 | 指標 | 
| --- | --- | --- | 
| 作用中 | memory | os.memory.active | 
| buffers | memory | os.memory.buffers | 
| cached | memory | os.memory.cached | 
| dirty | memory | os.memory.dirty | 
| free | memory | os.memory.free | 
| inactive | memory | os.memory.inactive | 
| mapped | memory | os.memory.mapped | 
| pageTables | memory | os.memory.pageTables | 
| slab | memory | os.memory.slab | 
| total | memory | os.memory.total | 
| writeback | memory | os.memory.writeback | 
| idle | cpuUtilization | os.cpuUtilization.idle | 
| system | cpuUtilization | os.cpuUtilization.system | 
| total | cpuUtilization | os.cpuUtilization.total | 
| user | cpuUtilization | os.cpuUtilization.user | 
| wait | cpuUtilization | os.cpuUtilization.wait | 
| one | loadAverageMinute | os.loadAverageMinute.one | 
| fifteen | loadAverageMinute | os.loadAverageMinute.fifteen | 
| five | loadAverageMinute | os.loadAverageMinute.five | 
| cached | 交換 | os.swap.cached | 
| free | 交換 | os.swap.free | 
| in | 交換 | os.swap.in | 
| out | 交換 | os.swap.out | 
| total | 交換 | os.swap.total | 
| rx | 網路 | os.network.rx | 
| tx | 網路 | os.network.tx | 
| numVCPUs | 一般 | os.general.numVCPUs |