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docs/static/performance-checklist.asciidoc
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@ -99,5 +99,5 @@ In the first example we see that the CPU isn’t being used very efficiently. In
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Examining the in-depth GC statistics with a tool similar to the excellent https://visualvm.github.io/plugins.html[VisualGC] plugin shows that the over-allocated VM spends very little time in the efficient Eden GC, compared to the time spent in the more resource-intensive Old Gen “Full” GCs.
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Examining the in-depth GC statistics with a tool similar to the excellent https://visualvm.github.io/plugins.html[VisualGC] plugin shows that the over-allocated VM spends very little time in the efficient Eden GC, compared to the time spent in the more resource-intensive Old Gen “Full” GCs.
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NOTE: As long as the GC pattern is acceptable, heap sizes that occasionally increase to the maximum are acceptable. Such heap size spikes happen in response to a burst of large events passing through the pipeline. In general practice, maintain a gap between the used amount of heap memory and the maximum.
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NOTE: As long as the GC pattern is acceptable, heap sizes that occasionally increase to the maximum are acceptable. Such heap size spikes happen in response to a burst of large events passing through the pipeline. In general practice, maintain a gap between the used amount of heap memory and the maximum.
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This document is not a comprehensive guide to JVM GC tuning. Read the official http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html[Oracle guide] for more information on the topic. We also recommend reading http://www.semicomplete.com/blog/geekery/debugging-java-performance.html[Debugging Java Performance].
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This document is not a comprehensive guide to JVM GC tuning. Read the official http://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html[Oracle guide] for more information on the topic. We also recommend reading https://www.semicomplete.com/blog/geekery/debugging-java-performance/[Debugging Java Performance].
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