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我的数据已经在块大小为 256mb 的 hdfs 上。但必须将此块大小更改为 128 MB。那么如何直接在hdfs上改变块大小。
我试过了
dfs.namenode.fs-limits.min-block-size = 128000000; dfs.blocksize=128000000;
但我的数据已经在 hdfs 上