Doyle-net opened a new issue, #3964:
URL: https://github.com/apache/hertzbeat/issues/3964
### Is there an existing issue for this?
- [x] I have searched the existing issues
### Current Behavior
Version used:1.7.3
Collector:4
Data collection tasks: 438
After running for a period of time, exceeding 8-9 hours, the following error
occurred in the main program.
Java configuration for the main program,Memory allocated: 16GB
`-XX:MaxDirectMemorySize=10g -Xms4g -Xmx4g -Dfile.encoding=UTF-8
-Doracle.jdbc.timezoneAsRegion=false
--add-opens=java.base/java.nio=org.apache.arrow.memory.core,ALL-UNNAMED`
### Expected Behavior
_No response_
### Steps To Reproduce
_No response_
### Environment
```markdown
HertzBeat version(s):1.7.3
```
### Debug logs
2026-01-13 19:40:32.008 [595869159430144-system_data_anomaly-data_list-5347]
ERROR org.apache.hertzbeat.collector.dispatch.WorkerPool Line:49 - Thread Name
595869159430144-system_data_anomaly-data_list-5347 : Cannot reserve 4194304
bytes of direct buffer memory (allocated: 10733664086, limit: 10737418240)
java.lang.OutOfMemoryError: Cannot reserve 4194304 bytes of direct buffer
memory (allocated: 10733664086, limit: 10737418240)
at java.base/java.nio.Bits.reserveMemory(Bits.java:178)
at java.base/java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:127)
at java.base/java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:360)
at
io.netty.buffer.PoolArena$DirectArena.allocateDirect(PoolArena.java:718)
at io.netty.buffer.PoolArena$DirectArena.newChunk(PoolArena.java:693)
at io.netty.buffer.PoolArena.allocateNormal(PoolArena.java:213)
at io.netty.buffer.PoolArena.tcacheAllocateNormal(PoolArena.java:195)
at io.netty.buffer.PoolArena.allocate(PoolArena.java:137)
at io.netty.buffer.PoolArena.allocate(PoolArena.java:127)
at
io.netty.buffer.PooledByteBufAllocatorL$InnerAllocator.newDirectBufferL(PooledByteBufAllocatorL.java:173)
at
io.netty.buffer.PooledByteBufAllocatorL$InnerAllocator.directBuffer(PooledByteBufAllocatorL.java:206)
at
io.netty.buffer.PooledByteBufAllocatorL.allocate(PooledByteBufAllocatorL.java:53)
at
org.apache.arrow.memory.netty.NettyAllocationManager.<init>(NettyAllocationManager.java:74)
at
org.apache.arrow.memory.netty.NettyAllocationManager.<init>(NettyAllocationManager.java:81)
at
org.apache.arrow.memory.netty.NettyAllocationManager$1.create(NettyAllocationManager.java:38)
at
org.apache.arrow.memory.BaseAllocator.newAllocationManager(BaseAllocator.java:376)
at
org.apache.arrow.memory.BaseAllocator.newAllocationManager(BaseAllocator.java:372)
at
org.apache.arrow.memory.BaseAllocator.bufferWithoutReservation(BaseAllocator.java:357)
at org.apache.arrow.memory.BaseAllocator.buffer(BaseAllocator.java:336)
at org.apache.arrow.memory.RootAllocator.buffer(RootAllocator.java:27)
at org.apache.arrow.memory.BaseAllocator.buffer(BaseAllocator.java:298)
at org.apache.arrow.memory.RootAllocator.buffer(RootAllocator.java:27)
at
org.apache.arrow.vector.BaseVariableWidthVector.allocateBytes(BaseVariableWidthVector.java:498)
at
org.apache.arrow.vector.BaseVariableWidthVector.allocateNew(BaseVariableWidthVector.java:446)
at
org.apache.arrow.vector.BaseVariableWidthVector.allocateNew(BaseVariableWidthVector.java:407)
at
org.apache.arrow.vector.VectorSchemaRoot.allocateNew(VectorSchemaRoot.java:150)
at
org.apache.hertzbeat.common.entity.message.CollectRep$MetricsData$Builder.build(CollectRep.java:432)
at
org.apache.hertzbeat.collector.dispatch.MetricsCollect.validateResponse(MetricsCollect.java:475)
at
org.apache.hertzbeat.collector.dispatch.MetricsCollect.run(MetricsCollect.java:224)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1583)
### Anything else?
_No response_
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