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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2022/09/03 23:46:57 UTC
[GitHub] [pulsar] leizhiyuan opened a new issue, #17451: [Bug] if there are many message hole with delay message, sub will very slow and block io thread
leizhiyuan opened a new issue, #17451:
URL: https://github.com/apache/pulsar/issues/17451
### Search before asking
- [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar.
### Version
master
### Minimal reproduce step
just keep many message hole in memory
### What did you expect to see?
do not block pulsar-io,which will make the sub failed with timeout
### What did you see instead?
```
[4] Busy(98.0%) thread(41196/0xa0ec) stack of java process(36835) under user(root):
"pulsar-io-23-20" #347 prio=5 os_prio=0 tid=0x00007f831c027000 nid=0xa0ec runnable [0x00007f817f62b000]
java.lang.Thread.State: RUNNABLE
at com.google.common.collect.Range.compareOrThrow(Range.java:712)
at com.google.common.collect.Cut.compareTo(Cut.java:77)
at com.google.common.collect.Range.<init>(Range.java:355)
at com.google.common.collect.Range.create(Range.java:156)
at com.google.common.collect.Range.openClosed(Range.java:205)
at org.apache.pulsar.common.util.collections.ConcurrentOpenLongPairRangeSet.lambda$forEach$4(ConcurrentOpenLongPairRangeSet.java:212)
at org.apache.pulsar.common.util.collections.ConcurrentOpenLongPairRangeSet$$Lambda$623/2008085945.accept(Unknown Source)
at java.util.concurrent.ConcurrentSkipListMap.forEach(ConcurrentSkipListMap.java:3269)
at org.apache.pulsar.common.util.collections.ConcurrentOpenLongPairRangeSet.forEach(ConcurrentOpenLongPairRangeSet.java:200)
at org.apache.bookkeeper.mledger.impl.ManagedCursorImpl.getNumberOfEntries(ManagedCursorImpl.java:1321)
at org.apache.bookkeeper.mledger.impl.ManagedCursorImpl.getNumberOfEntries(ManagedCursorImpl.java:866)
at org.apache.pulsar.broker.service.persistent.PersistentTopic.lambda$checkBackloggedCursors$78(PersistentTopic.java:2148)
at org.apache.pulsar.broker.service.persistent.PersistentTopic$$Lambda$646/893850913.accept(Unknown Source)
at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:387)
at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:159)
at org.apache.pulsar.broker.service.persistent.PersistentTopic.checkBackloggedCursors(PersistentTopic.java:2146)
at org.apache.pulsar.broker.service.persistent.PersistentTopic.lambda$internalSubscribe$11(PersistentTopic.java:702)
at org.apache.pulsar.broker.service.persistent.PersistentTopic$$Lambda$636/490623965.accept(Unknown Source)
at java.util.concurrent.CompletableFuture.uniAccept(CompletableFuture.java:656)
at java.util.concurrent.CompletableFuture.uniAcceptStage(CompletableFuture.java:669)
at java.util.concurrent.CompletableFuture.thenAccept(CompletableFuture.java:1997)
at org.apache.pulsar.broker.service.persistent.PersistentTopic.internalSubscribe(PersistentTopic.java:696)
at org.apache.pulsar.broker.service.persistent.PersistentTopic.subscribe(PersistentTopic.java:587)
at org.apache.pulsar.broker.service.ServerCnx.lambda$null$13(ServerCnx.java:976)
at org.apache.pulsar.broker.service.ServerCnx$$Lambda$609/1007138891.apply(Unknown Source)
at java.util.concurrent.CompletableFuture.uniComposeStage(CompletableFuture.java:981)
at java.util.concurrent.CompletableFuture.thenCompose(CompletableFuture.java:2124)
at org.apache.pulsar.broker.service.ServerCnx.lambda$handleSubscribe$16(ServerCnx.java:942)
at org.apache.pulsar.broker.service.ServerCnx$$Lambda$603/1291454277.apply(Unknown Source)
at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
at java.util.concurrent.CompletableFuture.uniApplyStage(CompletableFuture.java:614)
at java.util.concurrent.CompletableFuture.thenApply(CompletableFuture.java:1983)
at org.apache.pulsar.broker.service.ServerCnx.handleSubscribe(ServerCnx.java:891)
at org.apache.pulsar.common.protocol.PulsarDecoder.channelRead(PulsarDecoder.java:257)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.flow.FlowControlHandler.dequeue(FlowControlHandler.java:200)
at io.netty.handler.flow.FlowControlHandler.channelRead(FlowControlHandler.java:162)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:324)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:311)
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:432)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:276)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:795)
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:480)
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:378)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:748)
```
### Anything else?
nothing
### Are you willing to submit a PR?
- [ ] I'm willing to submit a PR!
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[GitHub] [pulsar] Technoboy- closed issue #17451: [Bug] if there are many message hole with delay message, sub will very slow and occupy the io thread
Posted by GitBox <gi...@apache.org>.
Technoboy- closed issue #17451: [Bug] if there are many message hole with delay message, sub will very slow and occupy the io thread
URL: https://github.com/apache/pulsar/issues/17451
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