dongjoon-hyun commented on PR #44280:
URL: https://github.com/apache/spark/pull/44280#issuecomment-1848889696
Yes, that's the correct normal case which we expect. The problem is that
`master` only tries once in that process.
In EKS environment, the network setting takes some time when there are
thousands Worker pod. The `Master`'s error message in the PR description is the
evidence what I mentioned. For example, 1k worker case, 40~50 workers remains
`UNKNOWN` status frequently, @viirya /
```
23/12/10 04:58:30 WARN OneWayOutboxMessage: Failed to send one-way RPC.
java.io.IOException: Connecting to /***:1024 timed out (10000 ms)
at
org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:291)
at
org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:214)
at
org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:226)
at
org.apache.spark.rpc.netty.NettyRpcEnv.createClient(NettyRpcEnv.scala:204)
at org.apache.spark.rpc.netty.Outbox$$anon$1.call(Outbox.scala:202)
at org.apache.spark.rpc.netty.Outbox$$anon$1.call(Outbox.scala:198)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:840)
```
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