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jackietien pushed a change to branch MemoryNPE
in repository https://gitbox.apache.org/repos/asf/iotdb.git
was 7194e73c47d Fix race condition in SharedTsBlockQueue async listener
causing NPE in MemoryPool.free() When SharedTsBlockQueue.add() encounters
memory pressure, it registers an async listener on a MemoryReservationFuture to
add the TsBlock later. If the upstream FragmentInstance finishes and calls
abort()/close() before the listener executes, the following race occurs: 1.
abort() sets closed=true, clears the queue, frees bufferRetainedSizeInBytes 2.
deRegisterFragmentInstanceFromMe [...]
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