[jira] [Assigned] (IOTDB-1779) The network of one node is unreachable，write blocking problem for three node three replica cluster

["Quan Siyi (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IOTDB-1779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Quan Siyi reassigned IOTDB-1779:
--------------------------------

    Assignee: Quan Siyi

> The network of one node is unreachable，write blocking problem for three node three replica cluster
> --------------------------------------------------------------------------------------------------
>
>                 Key: IOTDB-1779
>                 URL: https://issues.apache.org/jira/browse/IOTDB-1779
>             Project: Apache IoTDB
>          Issue Type: Improvement
>          Components: Core/Cluster
>            Reporter: 刘珍
>            Assignee: Quan Siyi
>            Priority: Major
>         Attachments: 3节点3副本_拔网线_测试结果.docx, image-2021-09-29-15-49-33-180.png, image-2021-09-29-15-49-44-405.png, image-2021-09-29-15-51-24-108.png, 拔网线_v12_config.properties
>
>
> master 87e1ae444523c07b66b7bde1ec63d6b1924e3fca
> Three node three replica cluster，benchmark connects a node to write sequential data，remove the network cable from  one node，Iotdb has the following problems：
> （3节点3副本集群，benchmark连接其中1个节点写入顺序数据，拔掉其他节点的网线火停止其他节点的网络服务--每次操作只影响1个节点，iotdb有如下几个问题）：
> 1.	Symptom of pulling out a network cable（拔网线的表现）
> 问题1：Benchmark got exception (benchmark写入异常）：
> org.apache.iotdb.rpc.StatementExecutionException: {color:#DE350B}701: Request timed out.{color}
> org.apache.iotdb.rpc.StatementExecutionException: 702:{color:#DE350B}* Leader cannot be found.*{color}
> cli 执行insert ：
>  
> 问题2：cli执行select耗时120秒：
>   !image-2021-09-29-15-49-33-180.png! 
> 问题3：node status 耗时120多秒
>   !image-2021-09-29-15-49-44-405.png! 
> 问题4：插上网线，网络恢复后
> Benchmark依然报错：
> org.apache.iotdb.rpc.IoTDBConnectionException: Fail to reconnect to server. Please check server status
>  停止网络服务（systemctl stop network）
> benchmark写入报同样的错误：
> org.apache.iotdb.rpc.IoTDBConnectionException: Fail to reconnect to server. Please check server status
> 但是命令行方式停止网络服务期间，cli 执行insert，select正常：
> insert into root.net.dev(col) values(now(),3);
> insert into root.net.dev(col) values(now(),4);
> insert into root.net.dev(col) values(now(),5);
>  
> select * from root.net.dev;
>  !image-2021-09-29-15-51-24-108.png! 
> 详细结果见附件。



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