我设置了spark和Hadoop。
我下载了，我设置了环境。我在shell中调用了pyspark。
这是关于＆＃39; pyspark＆＃39;的结果。
dino@ubuntu:~$ pyspark
Python 2.7.12 (default, Dec 4 2017, 14:50:18)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
18/01/24 18:25:14 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
18/01/24 18:25:14 WARN Utils: Your hostname, ubuntu resolves to a loopback address: 127.0.1.1; using 192.168.20.147 instead (on interface ens33)
18/01/24 18:25:14 WARN Utils: Set SPARK_LOCAL_IP if you need to bind to another address
18/01/24 18:25:24 WARN ObjectStore: Failed to get database global_temp, returning NoSuchObjectException
Welcome to
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/__ / .__/\_,_/_/ /_/\_\ version 2.2.1
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Using Python version 2.7.12 (default, Dec 4 2017 14:50:18)
SparkSession available as 'spark'.
>>>
（我使用的是Ubuntu 16.04，我的火花版本是2.2.1，hadoop - ＆gt; 2.7.5）
有一些WARN消息，我想知道这些以及如何修复。