qqspeed 2015-09-06 10:42 采纳率: 0%
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求教,hadoop-2.2.0升级hadoop-2.6.0。

最近需要升级hadoop,从hadoop-2.2.0升级到hadoop-2.6.0,根据http://hadoop.apache.org/docs/r2.6.0/hadoop-project-dist/hadoop-hdfs/HdfsRollingUpgrade.html#dfsadmin_-rollingUpgrade 提示的来,第一步:./bin/hdfs dfsadmin -rollingUPgrade prepare 就出现了:PREPARE rolling upgrade ...
rollingUpgrade: Unknown method rollingUpgrade called on org.apache.hadoop.hdfs.protocol.ClientProtocol protocol.

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  • threenewbee 2015-09-06 11:23
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    试试看先升级2.4看看。执行bin/start-dfs.sh -upgrade

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