HDFS HA搭建 20/12/31 14:22:51 INFO ipc.Client: Retrying connect to server: centos01/192.168.246.101:80

fantasy666888

于 2020-12-31 14:46:06 发布

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文章标签： hadoop

本文链接：https://blog.youkuaiyun.com/yiyayiyayi_ya/article/details/112008599

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本文介绍了在Hadoop环境下进行HDFS HA的搭建过程，包括节点的格式化、元数据复制和standby节点的初始化。在配置过程中遇到启动报错的问题，原因是namenode1未正确重启，导致新配置未生效。解决方法是停止并重新启动namenode1，从而确保配置更新并成功进入standby状态。

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HDFS HA搭建
节点格式化，启动namenode1之后
复制namenode1元数据时
bin/hdfs namenode -bootstrapStandby
报错

20/12/31 14:22:43 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
20/12/31 14:22:43 INFO namenode.NameNode: createNameNode [-bootstrapStandby]
20/12/31 14:22:43 INFO ha.BootstrapStandby: Found nn: nn1, ipc: centos01/192.168.246.101:8020
20/12/31 14:22:45 INFO ipc.Client: Retrying connect to server: centos01/192.168.246.101:8020. Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
20/12/31 14:22:46 INFO ipc.Client: Retrying connect to server: centos01/192.168.246.101:8020. Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)
20/12/31 14:22:47 INFO ipc.Client: Retrying connect to server: centos01/192.168.246.101:8020. Already tried 2 time(s); retry policy is RetryUpToMaximumCo

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