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Posted to issues@hbase.apache.org by "Duo Zhang (Jira)" <ji...@apache.org> on 2022/04/08 00:24:00 UTC
[jira] [Commented] (HBASE-26937) Frequent BootstrapNodeManager "failed to request region server" warnings
[ https://issues.apache.org/jira/browse/HBASE-26937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17519242#comment-17519242 ]
Duo Zhang commented on HBASE-26937:
-----------------------------------
It is introduced by HBASE-26220, but it is only committed to master branch?
It is used to exchange the region server list between region servers, to reduce the pressure on master. I'm not sure the your test scenario but usually this is not a big problem, if the remote region server fails to respond, it will log the error and remove it from the region server list.
> Frequent BootstrapNodeManager "failed to request region server" warnings
> ------------------------------------------------------------------------
>
> Key: HBASE-26937
> URL: https://issues.apache.org/jira/browse/HBASE-26937
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Andrew Kyle Purtell
> Priority: Major
> Fix For: 2.5.0
>
>
> I have no idea what this is yet:
> {noformat}
> [01]2022-04-07T23:14:21,365 WARN [BootstrapNodeManager] regionserver.BootstrapNodeManager: failed to request region server ip-172-31-51-4.us-west-2.compute.internal,8120,1649373044119
> [01]org.apache.hadoop.hbase.exceptions.ConnectionClosedException: Call to address=ip-172-31-51-4.us-west-2.compute.internal:8120 failed on local exception: org.apache.hadoop.hbase.exceptions.Connectio
> nClosedException: Connection closed
> [01] at org.apache.hadoop.hbase.ipc.IPCUtil.wrapException(IPCUtil.java:215) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.AbstractRpcClient.onCallFinished(AbstractRpcClient.java:387) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.AbstractRpcClient.access$100(AbstractRpcClient.java:93) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:424) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.AbstractRpcClient$3.run(AbstractRpcClient.java:419) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.Call.callComplete(Call.java:119) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.Call.setException(Call.java:134) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.cleanupCalls(NettyRpcDuplexHandler.java:207) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hadoop.hbase.ipc.NettyRpcDuplexHandler.channelInactive(NettyRpcDuplexHandler.java:215) ~[hbase-client-2.5.0-SNAPSHOT.jar:2.5.0-SNAPSHOT]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelInputClosed(ByteToMessageDecoder.java:392) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.channelInactive(ByteToMessageDecoder.java:357) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandlerAdapter.channelInactive(ChannelInboundHandlerAdapter.java:81) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.handler.timeout.IdleStateHandler.channelInactive(IdleStateHandler.java:277) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:241) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1405) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:262) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:248) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:901) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:813) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:469) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at org.apache.hbase.thirdparty.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) ~[hbase-shaded-netty-4.1.0.jar:?]
> [01] at java.lang.Thread.run(Thread.java:829) ~[?:?]
> [01]Caused by: org.apache.hadoop.hbase.exceptions.ConnectionClosedException: Connection closed
> {noformat}
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