wolfstudy opened a new issue, #3497:
URL: https://github.com/apache/bookkeeper/issues/3497
**BUG REPORT**
***Describe the bug***
```
18:30:13.148 [bookie-io-1-6] ERROR org.apache.bookkeeper.proto.BookieServer
- Unable to allocate memory, exiting bookie
io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 4194304
byte(s) of direct memory (used: 68719476735, max: 68719476736)
at
io.netty.util.internal.PlatformDependent.incrementMemoryCounter(PlatformDependent.java:802)
~[io.netty-netty-common-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.util.internal.PlatformDependent.allocateDirectNoCleaner(PlatformDependent.java:731)
~[io.netty-netty-common-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:649)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:624)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:203)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.PoolArena.tcacheAllocateNormal(PoolArena.java:187)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at io.netty.buffer.PoolArena.allocate(PoolArena.java:136)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at io.netty.buffer.PoolArena.allocate(PoolArena.java:126)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:396)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:188)
~[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
org.apache.bookkeeper.common.allocator.impl.ByteBufAllocatorImpl.newDirectBuffer(ByteBufAllocatorImpl.java:163)
[org.apache.bookkeeper-bookkeeper-common-allocator-4.14.4.220622-20220622.101608-2.jar:4.14.4.220622-SNAPSHOT]
at
org.apache.bookkeeper.common.allocator.impl.ByteBufAllocatorImpl.newDirectBuffer(ByteBufAllocatorImpl.java:157)
[org.apache.bookkeeper-bookkeeper-common-allocator-4.14.4.220622-20220622.101608-2.jar:4.14.4.220622-SNAPSHOT]
at
io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:188)
[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:179)
[io.netty-netty-buffer-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.channel.unix.PreferredDirectByteBufAllocator.ioBuffer(PreferredDirectByteBufAllocator.java:53)
[io.netty-netty-transport-native-unix-common-4.1.76.Final-linux-x86_64.jar:4.1.76.Final]
at
io.netty.channel.DefaultMaxMessagesRecvByteBufAllocator$MaxMessageHandle.allocate(DefaultMaxMessagesRecvByteBufAllocator.java:120)
[io.netty-netty-transport-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.channel.epoll.EpollRecvByteAllocatorHandle.allocate(EpollRecvByteAllocatorHandle.java:75)
[io.netty-netty-transport-classes-epoll-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:785)
[io.netty-netty-transport-classes-epoll-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:487)
[io.netty-netty-transport-classes-epoll-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:385)
[io.netty-netty-transport-classes-epoll-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
[io.netty-netty-common-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
[io.netty-netty-common-4.1.76.Final.jar:4.1.76.Final]
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
[io.netty-netty-common-4.1.76.Final.jar:4.1.76.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]
18:30:13.148 [bookie-io-1-6] ERROR
org.apache.bookkeeper.common.component.ComponentStarter - Triggered
exceptionHandler of Component: bookie-server because of Exception in Thread:
Thread[bookie-io-1-6,5,main]
```
Bookie Version: `4.14.4`
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