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PyvesB
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Jan 30, 2026
| <div class="alert alert-info">This feature requires at least Java 17.0.9 or newer and does not work with ZGC</div> | ||
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| To enable the heap histogram metrics, start your application with the `-Ddd.profiling.heap.histogram.enabled=true` JVM setting or the `DD_PROFILING_HEAP_HISTOGRAM_ENABLED=true` environment variable. | ||
| To enable the heap histogram collection, start your application with the `-Ddd.profiling.heap.histogram.enabled=true` JVM setting or the `DD_PROFILING_HEAP_HISTOGRAM_ENABLED=true` environment variable. This powers the Heap Occupancy metrics as well as improves the Memory Leaks workflow. |
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Should we link to https://docs.datadoghq.com/profiler/guide/solve-memory-leaks/ here?
Call it heap class histograms
estherk15
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Jan 30, 2026
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Thanks for the additional context! I found one reference to the header you updated, can you make sure that link is also updated to the new header?
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| [Learn how to use override templates.](#creating-and-using-a-jfr-template-override-file) | ||
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| ## Enabling the heap histogram metrics |
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I found one reference link for this here. Could you update this as well?
Co-authored-by: Esther Kim <esther.kim@datadoghq.com>
estherk15
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Feb 9, 2026
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@hdafgard thanks for making that update. I approved for docs, so you should be able to merge when this is ready! |
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What does this PR do? What is the motivation?
The docs could do with some updating here to reflect what this data does and how it is collected.
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