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Type:
Improvement
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: Impala 2.9.0
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Fix Version/s: Impala 2.9.0
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Component/s: Backend
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Labels:
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Target Version:
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Epic Color:ghx-label-3
As mentioned in IMPALA-2800, TCMalloc's default behaviour so that it does not keep unmapped memory around. This means that our various ReleaseMemory()/ReleaseToSystem() calls may not have any effect.
We should verify this and then remove any logic that is no longer needed.