Remove references to disposed SQLAlchemy engines from instrumentation singleton#3053
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EngineTracer in SQLAlchemy keeps weak references to a traced engine forever which can cause a noticeable memory leak if engines are constantly getting creating.
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… singleton (open-telemetry#3053) * Remove references to SQLAlchemy engines which are disposed of EngineTracer in SQLAlchemy keeps weak references to a traced engine forever which can cause a noticeable memory leak if engines are constantly getting creating. * Updated changelog --------- Co-authored-by: Emídio Neto <9735060+emdneto@users.noreply.github.com> Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>
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EngineTracersingleton class in SQLAlchemy instrumentations keeps weak references to a traced SQLAlchemy engine forever which can cause a noticeable memory leak if engines are constantly being created.Description
Previously raised issue #1761 regarding a memory leak in SQLAlchemy instrumentation was partially fixed by yours truly in PR#1771, but the fix appears to have been incomplete. This PR should completely fix #1761.
Fixes #1761
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How Has This Been Tested?
Does This PR Require a Core Repo Change?
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See contributing.md for styleguide, changelog guidelines, and more.