MapReduce服务 MRS-创建HDFS文件并写入内容:代码样例
时间:2025-02-12 14:58:43
代码样例
如下是写文件的代码片段,详细代码请参考com.huawei.bigdata.hdfs.examples中的HdfsExample类。
/** * 创建文件,写文件 * * @throws java.io.IOException * @throws com.huawei.bigdata.hdfs.examples.ParameterException */private void write() throws IOException { final String content = "hi, I am bigdata. It is successful if you can see me."; FSDataOutputStream out = null; try { out = fSystem.create(new Path(DEST_PATH + File.separator + FILE_NAME)); out.write(content.getBytes()); out.hsync(); LOG .info("success to write."); } finally { // make sure the stream is closed finally. IOUtils.closeStream(out); }}
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