luoganttcc

摘要： MATCH (n) OPTIONAL MATCH (n)-[r]-() DELETE n,r 阅读全文

posted @ 2019-03-10 13:11 luoganttcc 阅读(944) 评论(0) 推荐(0)

摘要： #!/usr/bin/env python3# -*- coding: utf-8 -*-"""Created on Fri Mar 8 19:10:57 2019@author: lg"""from pyspark.sql import SparkSes... 阅读全文

posted @ 2019-03-08 19:24 luoganttcc 阅读(240) 评论(0) 推荐(0)

摘要： #!/usr/bin/env python3# -*- coding: utf-8 -*-"""Created on Fri Mar 8 18:51:51 2019@author: lg"""from pyspark import SparkContext... 阅读全文

posted @ 2019-03-08 18:59 luoganttcc 阅读(3050) 评论(0) 推荐(0)

摘要：原文链接#!/usr/bin/env python3# -*- coding: utf-8 -*-"""Created on Fri Mar 8 17:09:44 2019@author: lg"""from pyspark import SparkCon... 阅读全文

posted @ 2019-03-08 18:34 luoganttcc 阅读(819) 评论(0) 推荐(0)

摘要： from pyspark import SparkContext ,SparkConfconf=SparkConf().setAppName("miniProject").setMaster("local[4]")#conf=SparkConf().setA... 阅读全文

posted @ 2019-03-07 22:28 luoganttcc 阅读(771) 评论(0) 推荐(0)

摘要： from pyspark import SparkContext ,SparkConfconf=SparkConf().setAppName("miniProject").setMaster("local[4]")#conf=SparkConf().setA... 阅读全文

posted @ 2019-03-07 22:14 luoganttcc 阅读(2421) 评论(0) 推荐(0)

摘要： 1：载mysql-connector 放入 jars下2：在spark-env.sh中配置EXTRA_SPARK_CLASSPATH环境变量3:export SPARK_CLASSPATH=/opt/spark/spark-2.4.0-bin-hadoop... 阅读全文

posted @ 2019-03-07 09:44 luoganttcc 阅读(578) 评论(0) 推荐(0)

摘要： import happybase#连接connection = happybase.Connection('localhost')connection.open()创建一个tableconnection.create_table( 'my_table'... 阅读全文

posted @ 2019-03-06 16:45 luoganttcc 阅读(188) 评论(0) 推荐(0)

摘要：文档链接#切换到spark安装目录,执行下面一条命令,192.168.0.10是master的ip,examples/src/main/python/pi.py 是python 文件的路径./bin/spark-submit --master spark:... 阅读全文

posted @ 2019-03-06 09:31 luoganttcc 阅读(434) 评论(0) 推荐(0)

摘要： conda upgrade --all添加链接描述阅读全文

posted @ 2019-03-05 17:51 luoganttcc 阅读(698) 评论(0) 推荐(0)