Java操作HDFS

最新推荐文章于 2023-12-01 17:21:31 发布

怪侠Kevin

最新推荐文章于 2023-12-01 17:21:31 发布

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本文链接：https://blog.youkuaiyun.com/qingwei201314/article/details/117703537

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import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

@RestController
public class HadoopFileController {

    @RequestMapping("/hadoop")
    public void hadoop() throws URISyntaxException, IOException, InterruptedException {
        Configuration conf = new Configuration();
//指定客服端上传hdfs上传副本数为2
//        conf.set("dfs.replication","2");
//        conf.set("dfs.blocksize","64m");
FileSystem fs= FileSystem.get(new URI("hdfs://192.168.96.130:9000/"),conf,"root");
fs.mkdirs(new Path("/xx/yy/zz"));
fs.close();
}
}