wy96f edited a comment on issue #2832: ARTEMIS-2482 Large messages could leak 
native ByteBuffers
URL: https://github.com/apache/activemq-artemis/pull/2832#issuecomment-530283213
   > @wy96f
   > > PooledByteBufAllocator::directBuffer uses java's ThreadLocal. Wouldn't 
this result in leak in the case if thread terminates due to idle timeout as in 
#2199 ?
   > Do you mean the thread local arena? Or the thread local NIO ByteBuffer?
   > Anyway, at the end of its usage we always release the `ByteBuf` and Netty 
will take care to release any referenced resources: it's a pool so it leaks "by 
   I mean tinySubPageDirectCaches/smallSubPageDirectCaches/normalDirectCaches 
in PoolThreadCache. Memory would be added into these caches first if 
released(not yet into shared arena). Given PoolThreadCache is thread local, 
would theses caches leak if thread terminates?

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