dutyu opened a new pull request, #28608:
URL: https://github.com/apache/doris/pull/28608
## Proposed changes
No need to get tablet stat if backend is not alive, because we deploy
compute nodes on a yarn cluster, there are always some compute nodes which are
not alive, so we will always meet lots of error logs like following:
```java
2023-12-18 15:19:44,344 WARN (ForkJoinPool-2-worker-42|83907)
[TabletStatMgr.lambda$null$0():71] task exec error. backend[218820]
org.apache.thrift.transport.TTransportException: java.net.ConnectException:
Connection refused (Connection refused)
at org.apache.thrift.transport.TSocket.open(TSocket.java:255)
~[libthrift-0.16.0.jar:0.16.0]
at
org.apache.doris.common.GenericPool$ThriftClientFactory.create(GenericPool.java:143)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.common.GenericPool$ThriftClientFactory.create(GenericPool.java:126)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.commons.pool2.BaseKeyedPooledObjectFactory.makeObject(BaseKeyedPooledObjectFactory.java:62)
~[commons-pool2-2.2.jar:2.2]
at
org.apache.commons.pool2.impl.GenericKeyedObjectPool.create(GenericKeyedObjectPool.java:1012)
~[commons-pool2-2.2.jar:2.2]
at
org.apache.commons.pool2.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:356)
~[commons-pool2-2.2.jar:2.2]
at
org.apache.commons.pool2.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:277)
~[commons-pool2-2.2.jar:2.2]
at
org.apache.doris.common.GenericPool.borrowObject(GenericPool.java:95)
~[doris-fe.jar:1.2-SNAPSHOT]
at
org.apache.doris.catalog.TabletStatMgr.lambda$null$0(TabletStatMgr.java:64)
~[doris-fe.jar:1.2-SNAPSHOT]
at
java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
~[?:1.8.0_301]
at
com.google.common.collect.CollectSpliterators$1WithCharacteristics.lambda$forEachRemaining$1(CollectSpliterators.java:72)
~[guava-32.1.2-jre.jar:?]
at
java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110)
~[?:1.8.0_301]
at
com.google.common.collect.CollectSpliterators$1WithCharacteristics.forEachRemaining(CollectSpliterators.java:72)
~[guava-32.1.2-jre.jar:?]
at
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
~[?:1.8.0_301]
at
java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:291)
~[?:1.8.0_301]
at
java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:731)
~[?:1.8.0_301]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
~[?:1.8.0_301]
at
java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1067)
~[?:1.8.0_301]
at
java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1703)
~[?:1.8.0_301]
at
java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:172)
~[?:1.8.0_301]
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
~[?:1.8.0_301]
at
java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:476)
~[?:1.8.0_301]
at
java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:218)
~[?:1.8.0_301]
at
java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:200)
~[?:1.8.0_301]
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:394)
~[?:1.8.0_301]
at java.net.Socket.connect(Socket.java:606) ~[?:1.8.0_301]
at org.apache.thrift.transport.TSocket.open(TSocket.java:250)
~[libthrift-0.16.0.jar:0.16.0]
... 19 more
```
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[[email protected]](mailto:[email protected]) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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