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linux_wiki:high_system_load [2016/03/14 11:28] billdozor [Traffic/Bridge analogy] |
linux_wiki:high_system_load [2016/03/18 23:07] billdozor [High System Load] |
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| **Checklist** | **Checklist** | ||
| - | * Distro: Enterprise Linux 6.x | + | * Distro(s): Enterprise Linux 6 |
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| ====== Understanding System Load ====== | ====== Understanding System Load ====== | ||
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| - | ==== High CPU ==== | + | ===== High CPU ===== |
| Clues that you should investigate high CPU usage: | Clues that you should investigate high CPU usage: | ||
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| ---- | ---- | ||
| - | ==== High Memory Use ==== | + | ===== High Memory Use ===== |
| Notes on Linux memory management | Notes on Linux memory management | ||
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| - | ==== Disk I/O ==== | + | ===== Disk I/O ===== |
| * I/O wait (wa) is the percentage of time a CPU is waiting on disk. | * I/O wait (wa) is the percentage of time a CPU is waiting on disk. | ||