03 2020 档案
摘要:当使用./spark-shell 命令报错 Caused by: ERROR XJ040: Failed to start database 'metastore_db' with class loader org.apache.spark.sql.hive.client.IsolatedClien
阅读全文
摘要:[root@master bin]# ./spark-shell --master yarn-client 20/03/21 02:48:40 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your plat
阅读全文
摘要:1、-- 导入数据 create table orders ( order_id string, user_id string, eval_set string, order_number string, order_dow string, order_hour_of_day string, day
阅读全文
摘要:from django.contrib import admin from app01.models import * # Register your models here. # @admin.register(Book)# >单给某个表加一个定制 class MyAdmin(admin.Mode
阅读全文

浙公网安备 33010602011771号