xuesongxs opened a new issue #14906:
URL: https://github.com/apache/pulsar/issues/14906
**Describe the bug**
Pulsar v2.8.3
15:53:46.332 [pulsar-load-manager-1-1] ERROR
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl - Failed to
read speed for nic virbr0-nic
```
java.io.IOException: Invalid argument
at sun.nio.ch.FileDispatcherImpl.read0(Native Method) ~[?:1.8.0_251]
at sun.nio.ch.FileDispatcherImpl.read(FileDispatcherImpl.java:46)
~[?:1.8.0_251]
at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:223)
~[?:1.8.0_251]
at sun.nio.ch.IOUtil.read(IOUtil.java:197) ~[?:1.8.0_251]
at sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:159)
~[?:1.8.0_251]
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:65)
~[?:1.8.0_251]
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:109)
~[?:1.8.0_251]
at sun.nio.ch.ChannelInputStream.read(ChannelInputStream.java:103)
~[?:1.8.0_251]
at java.nio.file.Files.read(Files.java:3105) ~[?:1.8.0_251]
at java.nio.file.Files.readAllBytes(Files.java:3158) ~[?:1.8.0_251]
at
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl.lambda$getTotalNicLimitKbps$3(LinuxBrokerHostUsageImpl.java:260)
~[org.apache.pulsar-pulsar-broker-2.8.3.jar:2.8.3]
at
java.util.stream.ReferencePipeline$6$1.accept(ReferencePipeline.java:244)
~[?:1.8.0_251]
at
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
~[?:1.8.0_251]
at
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
~[?:1.8.0_251]
at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
~[?:1.8.0_251]
at
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
~[?:1.8.0_251]
at
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
~[?:1.8.0_251]
at java.util.stream.DoublePipeline.collect(DoublePipeline.java:478)
~[?:1.8.0_251]
at java.util.stream.DoublePipeline.sum(DoublePipeline.java:389)
~[?:1.8.0_251]
at
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl.lambda$getTotalNicLimitKbps$4(LinuxBrokerHostUsageImpl.java:265)
~[org.apache.pulsar-pulsar-broker-2.8.3.jar:2.8.3]
at java.util.Optional.orElseGet(Optional.java:267) ~[?:1.8.0_251]
at
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl.getTotalNicLimitKbps(LinuxBrokerHostUsageImpl.java:257)
~[org.apache.pulsar-pulsar-broker-2.8.3.jar:2.8.3]
at
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl.calculateBrokerHostUsage(LinuxBrokerHostUsageImpl.java:104)
~[org.apache.pulsar-pulsar-broker-2.8.3.jar:2.8.3]
at
org.apache.pulsar.common.util.Runnables$CatchingAndLoggingRunnable.run(Runnables.java:53)
[org.apache.pulsar-pulsar-common-2.8.3.jar:2.8.3]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[?:1.8.0_251]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
[?:1.8.0_251]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
[?:1.8.0_251]
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
[?:1.8.0_251]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[?:1.8.0_251]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[?:1.8.0_251]
at
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
[io.netty-netty-common-4.1.74.Final.jar:4.1.74.Final]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_251]
15:53:46.332 [pulsar-load-manager-1-1] ERROR
org.apache.pulsar.broker.loadbalance.impl.LinuxBrokerHostUsageImpl - Failed to
read speed for nic virbr0-nic
```
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