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liuzhengyang / simple-rpc

RPC with service discovery base on netty

Home Page:https://liuzhengyang.github.io/2016/12/16/rpc-principle/

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Server throws OOM after running somedays

liuzhengyang opened this issue · comments

commented

As the log show,
netty version netty-all-4.1.7.Final

2017-03-18 19:19:38.725 ERROR 17977 --- [ntLoopGroup-3-1] c.g.l.simplerpc.core.RpcServerHandler    : Exception caught on [id: 0xa104b32a, L:/10.4.124.148:8001 - R:/10.12.74.172:53722],

io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 1828716544, max: 1834483712)
    at io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:631) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:585) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:709) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:698) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:237) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PoolArena.allocate(PoolArena.java:213) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PoolArena.allocate(PoolArena.java:141) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:287) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:179) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:170) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.buffer.AbstractByteBufAllocator.ioBuffer(AbstractByteBufAllocator.java:131) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:73) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:117) ~[netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:565) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:479) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) [netty-all-4.1.7.Final.jar!/:4.1.7.Final]
    at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]

2017-03-18 19:19:38.725  INFO 17977 --- [ntLoopGroup-3-1] io.netty.handler.logging.LoggingHandler  : [id: 0xa104b32a, L:/10.4.124.148:8001 - R:/10.12.74.172:53722] CLOSE
2017-03-18 19:19:38.725  INFO 17977 --- [ntLoopGroup-3-1] io.netty.handler.logging.LoggingHandler  : [id: 0xa104b32a, L:/10.4.124.148:8001 ! R:/10.12.74.172:53722] INACTIVE
2017-03-18 19:19:38.725  INFO 17977 --- [ntLoopGroup-3-1] io.netty.handler.logging.LoggingHandler  : [id: 0xa104b32a, L:/10.4.124.148:8001 ! R:/10.12.74.172:53722] UNREGISTERED

it can be caused by memory leaking.