[ https://issues.apache.org/jira/browse/DRILL-8489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
James Turton closed DRILL-8489. ------------------------------- Resolution: Fixed > Sender memory leak when rpc encode exception > -------------------------------------------- > > Key: DRILL-8489 > URL: https://issues.apache.org/jira/browse/DRILL-8489 > Project: Apache Drill > Issue Type: Bug > Components: Server > Affects Versions: 1.21.1 > Reporter: shihuafeng > Priority: Major > Fix For: 1.21.2 > > > When encode throw Exception, if encode msg instanceof ReferenceCounted, netty > can release msg, but drill convert msg to OutboundRpcMessage, so netty can > not release msg. this causes sender memory leaks > exception info > {code:java} > 2024-04-16 16:25:57,998 [DataClient-7] ERROR > o.a.d.exec.rpc.RpcExceptionHandler - Exception in RPC communication. > Connection: /10.32.112.138:47924 <--> /10.32.112.138:31012 (data client). > Closing connection. > io.netty.handler.codec.EncoderException: > org.apache.drill.exec.exception.OutOfMemoryException: Unable to allocate > buffer of size 4096 due to memory limit (9223372036854775807). Current > allocation: 0 > at > io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:107) > at > io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:881) > at > io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:940) > at > io.netty.channel.AbstractChannelHandlerContext$WriteTask.run(AbstractChannelHandlerContext.java:1247) > at > io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java:173) > at > io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:166) > at > io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:470) > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:569) > at > io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) > at > io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) > at java.lang.Thread.run(Thread.java:748) > Caused by: org.apache.drill.exec.exception.OutOfMemoryException: Unable to > allocate buffer of size 4096 due to memory limit (9223372036854775807). > Current allocation: 0 > at > org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:245) > at > org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:220) > at > org.apache.drill.exec.memory.DrillByteBufAllocator.buffer(DrillByteBufAllocator.java:55) > at > org.apache.drill.exec.memory.DrillByteBufAllocator.buffer(DrillByteBufAllocator.java:50) > at org.apache.drill.exec.rpc.RpcEncoder.encode(safeRelease.java:87) > at org.apache.drill.exec.rpc.RpcEncoder.encode(RpcEncoder.java:38) > at > io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:90){code} -- This message was sent by Atlassian Jira (v8.20.10#820010)