查看调测结果

• 查看运行结果获取应用运行情况
  • HdfsExample Windows样例程序运行结果如下所示。

    1654 [main] WARN  org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory  - The short-circuit local reads feature cannot be used because UNIX Domain sockets are not available on Windows.2013 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to create path /user/hdfs-examples2137 [main] WARN  org.apache.hadoop.util.NativeCodeLoader  - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable2590 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to write.3245 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to append.4447 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - result is : hi, I am bigdata. It is successful if you can see me.I append this content.4447 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to read.4509 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete the file /user/hdfs-examples\test.txt4618 [main] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete path /user/hdfs-examples4743 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to create path /user/hdfs-examples/hdfs_example_14743 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to create path /user/hdfs-examples/hdfs_example_05087 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to write.5087 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to write.6507 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to append.6553 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to append.7505 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - result is : hi, I am bigdata. It is successful if you can see me.I append this content.7505 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to read.7568 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete the file /user/hdfs-examples/hdfs_example_1\test.txt7583 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - result is : hi, I am bigdata. It is successful if you can see me.I append this content.7583 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to read.7630 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete the file /user/hdfs-examples/hdfs_example_0\test.txt7677 [hdfs_example_1] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete path /user/hdfs-examples/hdfs_example_17739 [hdfs_example_0] INFO  com.huawei.bigdata.hdfs.examples.HdfsExample  - success to delete path /user/hdfs-examples/hdfs_example_0

    

    在Windows环境运行样例代码时会出现下面的异常，但是不影响业务：

    java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries.

  • ColocationExample Windows样例程序运行结果如下所示。

    1623 [main] WARN  org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory  - The short-circuit local reads feature cannot be used because UNIX Domain sockets are not available on Windows.1670 [main] INFO  org.apache.zookeeper.ZooKeeper  - Client environment:zookeeper.version=***, built on 10/19/2017 04:21 GMT1670 [main] INFO  org.apache.zookeeper.ZooKeeper  - Client environment:host.name=siay7user1.china.huawei.com1670 [main] INFO  org.apache.zookeeper.ZooKeeper  - Client environment:java.version=***1670 [main] INFO  org.apache.zookeeper.ZooKeeper  - Client environment:java.vendor=Oracle Corporation1670 [main] INFO  org.apache.zookeeper.ZooKeeper  - Client environment:java.home=D:\Program Files\Java\jre1.8.0_131......Create Group has finished.Put file is running...5930 [main] WARN  org.apache.hadoop.util.NativeCodeLoader  - Unable to load native-hadoop library for your platform... using builtin-java classes where applicablePut file has finished.Delete file is running...Delete file has finished.Delete Group is running...Delete Group has finished.6866 [main] INFO  org.apache.zookeeper.ZooKeeper  - Session: 0x13000074b7e464b7 closed6866 [main-EventThread] INFO  org.apache.zookeeper.ClientCnxn  - EventThread shut down for session: 0x13000074b7e464b76928 [main-EventThread] INFO  org.apache.zookeeper.ClientCnxn  - EventThread shut down for session: 0x14000073f13b657b6928 [main] INFO  org.apache.zookeeper.ZooKeeper  - Session: 0x14000073f13b657b closed

• 查看HDFS日志获取应用运行情况

  可以查看HDFS的NameNode日志了解应用运行情况，并根据日志信息调整应用程序。