[HBASE-20793] Master can't RPC: OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972700, max: 4151836672)

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0
• Component/s: master
• Assignee: Unassigned
• Reporter: Michael Stack
• Created: 26/Jun/18 17:15
• Updated: 27/Jun/18 18:46

Description

Master is hung up unable to RPC out to the cluster. It is failing with the below:

Caused by: java.net.SocketTimeoutException: callTimeout=60000, callDuration=69047: Call to ve0801.XYZ.com/10.10.10.10:22101 failed on local exception: java.io.IOException: org.apache.hbase.thirdparty.io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972700, max: 4151836672) row '' on table 'hbase:meta' at region=hbase:meta,,1.1588230740, hostname=ve0801.halxg.cloudera.com,22101,1529611440163, seqNum=-1
        at org.apache.hadoop.hbase.client.RpcRetryingCallerImpl.callWithRetries(RpcRetryingCallerImpl.java:159)
        at org.apache.hadoop.hbase.client.ResultBoundedCompletionService$QueueingFuture.run(ResultBoundedCompletionService.java:80)
        ... 3 more
Caused by: java.io.IOException: Call to ve0801.XYZ.com/10.10.10.10:22101 failed on local exception: java.io.IOException: org.apache.hbase.thirdparty.io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972700, max: 4151836672)
        at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:180)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:390)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:95)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:410)
        at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:406)
        at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:103)
        at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:118)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.cleanupCalls(NettyRpcDuplexHandler.java:202)
        at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.exceptionCaught(NettyRpcDuplexHandler.java:219)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:285)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:264)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireExceptionCaught(AbstractChannelHandlerContext.java:256)
        at org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandlerAdapter.exceptionCaught(ChannelInboundHandlerAdapter.java:131)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:285)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.notifyHandlerException(AbstractChannelHandlerContext.java:850)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:364)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
        at org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1359)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
        at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:935)
        at org.apache.hbase.thirdparty.io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:801)
        at org.apache.hbase.thirdparty.io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:412)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:163)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:403)
        at org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:309)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
        at org.apache.hbase.thirdparty.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
        ... 1 more
Caused by: java.io.IOException: org.apache.hbase.thirdparty.io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972700, max: 4151836672)
        at org.apache.hadoop.hbase.ipc.IPCUtil.toIOE(IPCUtil.java:148)
        ... 26 more
Caused by: org.apache.hbase.thirdparty.io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972700, max: 4151836672)
        at org.apache.hbase.thirdparty.io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:640)
        at org.apache.hbase.thirdparty.io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:594)
        at org.apache.hbase.thirdparty.io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:764)
        at org.apache.hbase.thirdparty.io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:740)
        at org.apache.hbase.thirdparty.io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:244)
        at org.apache.hbase.thirdparty.io.netty.buffer.PoolArena.allocate(PoolArena.java:226)
        at org.apache.hbase.thirdparty.io.netty.buffer.PoolArena.reallocate(PoolArena.java:397)
        at org.apache.hbase.thirdparty.io.netty.buffer.PooledByteBuf.capacity(PooledByteBuf.java:118)
        at org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBuf.ensureWritable0(AbstractByteBuf.java:285)
        at org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:265)
        at org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1077)
        at org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1070)
        at org.apache.hbase.thirdparty.io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:1060)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder$1.cumulate(ByteToMessageDecoder.java:92)
        at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:263)
        at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362)

Perhaps we are leaking – fun, fun, see https://github.com/jeffgriffith/native-jvm-leaks – or perhaps we actually need 4G of offheap running a Master for 650 nodes and 300k regions.

Filing this issue as our first foray into the wonderful world of offheap accounting and tracking.

Sub-Tasks

• Trim Master memory usage: Resolved