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54 lines
2.1 KiB
Plaintext
54 lines
2.1 KiB
Plaintext
vmoption
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===
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> Display, and update the vm diagnostic options.
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### Usage
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#### View all options
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```bash
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[arthas@56963]$ vmoption
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------------------
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HeapDumpBeforeFullGC false DEFAULT true
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HeapDumpAfterFullGC false DEFAULT true
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HeapDumpOnOutOfMemory false DEFAULT true
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Error
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HeapDumpPath DEFAULT true
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CMSAbortablePrecleanW 100 DEFAULT true
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aitMillis
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CMSWaitDuration 2000 DEFAULT true
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CMSTriggerInterval -1 DEFAULT true
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PrintGC false DEFAULT true
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PrintGCDetails true MANAGEMENT true
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PrintGCDateStamps false DEFAULT true
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PrintGCTimeStamps false DEFAULT true
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PrintGCID false DEFAULT true
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PrintClassHistogramBe false DEFAULT true
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foreFullGC
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PrintClassHistogramAf false DEFAULT true
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terFullGC
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PrintClassHistogram false DEFAULT true
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MinHeapFreeRatio 0 DEFAULT true
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MaxHeapFreeRatio 100 DEFAULT true
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PrintConcurrentLocks false DEFAULT true
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```
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#### View individual option
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```bash
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[arthas@56963]$ vmoption PrintGCDetails
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------------------
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PrintGCDetails false MANAGEMENT true
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```
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#### Update individual option
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```bash
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[arthas@56963]$ vmoption PrintGCDetails true
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Successfully updated the vm option.
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PrintGCDetails=true
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```
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