Java开发问题
Mapreduce Combiner(Mapreduce 组合器)
Run Hadoop job without using JobConf(不使用 JobConf 运行 Hadoop 作业)
Where does job.setOutputKeyClass and job.setOutputReduceClass refers to?(job.setOutputKeyClass 和 job.setOutputReduceClass 指的是哪里?)
Query in a MongoDB Map Reduce Function(在 MongoDB Map Reduce 函数中查询)
Exception in thread quot;mainquot; org.apache.hadoop.ipc.RemoteException: Server IPC version 9 cannot communicate with client version 4. How to resolve this?(线程“main中的异常org.apache.hadoop.ipc.RemoteException:服务器 IPC 版本 9 无法与客
How do i set an Object as the Value for Map output in Hadoop MapReduce?(如何在 Hadoop MapReduce 中将对象设置为 Map 输出的值?)
Error while running Mapreduce(yarn)from windows eclipse(从 windows eclipse 运行 Mapreduce(yarn) 时出错)
Oozie gt; Java action gt; why property oozie.launcher.mapred.child.java.opts does not work(乌兹 gt;Java 动作 gt;为什么属性 oozie.launcher.mapred.child.java.opts 不起作用)
Getting Filename/FileData as key/value input for Map when running a Hadoop MapReduce Job(在运行 Hadoop MapReduce 作业时获取文件名/文件数据作为 Map 的键/值输入)
Hadoop: java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected(Hadoop:java.lang.IncompatibleClassChangeError:找到接口 org.apache.hadoop.mapreduce.JobContext，但需要类) - IT屋-
Type mismatch in key from map: expected org.apache.hadoop.io.Text, recieved org.apache.hadoop.io.LongWritable(映射中键的类型不匹配:预期 org.apache.hadoop.io.Text，收到 org.apache.hadoop.io.LongWritable)
Full utilization of all cores in Hadoop pseudo-distributed mode(在 Hadoop 伪分布式模式下充分利用所有内核)
