[Bug] RawReaderImpl used by TwoPhaseCompactor leaks direct memory

[lhotari]

Search before asking

• I searched in the issues and found nothing similar.

Version

master , 2.10.x

Minimal reproduce step

Use paranoid leak detector and run compaction.

What did you expect to see?

There should be no leaks detected by the Netty leak detector.

What did you see instead?

ERROR io.netty.util.ResourceLeakDetector - LEAK: ByteBuf.release() was not called before it's garbage-collected. See https://netty.io/wiki/reference-counted-objects.html for more information.
Recent access records: 
Created at:
	io.netty.buffer.SimpleLeakAwareByteBuf.unwrappedDerived(SimpleLeakAwareByteBuf.java:143)
	io.netty.buffer.SimpleLeakAwareByteBuf.retainedSlice(SimpleLeakAwareByteBuf.java:52)
	io.netty.buffer.AdvancedLeakAwareByteBuf.retainedSlice(AdvancedLeakAwareByteBuf.java:90)
	org.apache.pulsar.client.impl.RawMessageImpl.<init>(RawMessageImpl.java:38)
	org.apache.pulsar.client.impl.RawReaderImpl$RawConsumerImpl.messageReceived(RawReaderImpl.java:218)
	org.apache.pulsar.client.impl.ClientCnx.handleMessage(ClientCnx.java:455)
	org.apache.pulsar.common.protocol.PulsarDecoder.channelRead(PulsarDecoder.java:187)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:327)
	io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:299)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
	io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
	io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
	io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
	io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:800)
	io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:487)
	io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:385)
	io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:995)
	io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
	io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
	java.base/java.lang.Thread.run(Thread.java:829)

Anything else?

No response

Are you willing to submit a PR?

• I'm willing to submit a PR!