hadoop Requested data length 86483783 is longer than maximum configured RPC length
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错误:
hadoop Requested data length 86483783 is longer than maximum configured RPC length
解决:
修改NameNode的hdfs-site.xml配置文件,添加以下配置:
<property>
<name>ipc.maximum.data.length</name>
<value>134217728</value>
</property>
允许ipc通讯最大的数据包为128MB,默认配置为64MB。
最后平滑重启NameNode,在重启异常的DataNode解决
借鉴:
https://zhuanlan.zhihu.com/p/44018321
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