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feat: observe real native memory usage in the off-heap memory pools
- #5983
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andygrove
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feat: observe real native memory usage in the off-heap memory pools
#5983
andygrove
wants to merge 17 commits into
apache:main
apache/datafusion-comet:main
from
andygrove:feat-offheap-pool-native-usage-check
andygrove/datafusion-comet:feat-offheap-pool-native-usage-check
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Commits on Sep 14, 2026
feat: add native allocation accounting for memory observability
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bench: measure the alloc-accounting wrapper's per-allocation cost
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fix: settle the balance before delegating a free in AccountingAllocator
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Commits on Sep 15, 2026
fix: install the accounting wrapper for every allocator feature combination
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bench: link comet into alloc_overhead so the baseline uses the selected allocator
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bench: check jemalloc liveness only when the library selected jemalloc
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fix: teach analyze_trace about native_allocated and cover the accounting feature in CI
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fix: compare against observed zero reservations in analyze_trace and format tracing.md
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Commits on Sep 16, 2026
feat: check real native memory usage in the off-heap memory pools
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Merge remote-tracking branch 'apache/main' into feat-offheap-pool-native-usage-check
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docs: describe the off-heap native usage check in the memory management guide
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fix: check real native usage against the off-heap size, not the pool fraction
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feat: observe real native usage by default instead of enforcing it
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fix: say what the native usage warning actually measures
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style: satisfy rustfmt and the syntactic scalafix check
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fix: never report the native usage backstop as the pool's memory limit
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feat: log the first refusal so enforcement leaves a trace
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