In this Pyinstaller tutorial we will teach you a simple trick on how toreduce the size of your Pyinstaller EXEusing the “UPX Packer”. UPX isa free, secure, portable, extendable, high-performance executable packer for several executable formats. It takes an Executable file as an input, compr...
reduce() arr.reduce(callback[,initValue]) arr.reduce(function(prev,cur,index,arr){...}, init); 接收一个函数callback 作为累加器,数组中的每个值开始合并,最终为一个值 &nbs... 查看原文 数组-reduce() 累加器 / some 测试 / every 测试所有 函数callback 作为累加器,数组中的每个值开始合并,...
1、MapReduce中的Combiner 1.1、什么是Combiner Combiner是MapReduce程序中Mapper和Reducer之外的一种组件,他的作用在MapTask之后给MapTask的结果进行局部汇总,以减轻reducetask的计算负载,减少网络传输。 1.2、如何使用Combiner 编写一个类,然后继承Reducer,reduce方法中写具体的Combiner逻辑,然... 查看原文 简单搞定...
dependencies – exclude caches of dependencies, for example Python’s virtualenv or node’s local packages. media files – a git repository is not the best place to keep large audio or video files. Block large commits To prevent any large files getting included in commits, you can install a...
在hadoop的/share/mapreduce目录中有example的.jar文件,其中就有一个WordCount.class文件,使用工具将其反编译就能看到源码。 发现在源码中有很多数据类型没有见过: 总觉得和Java中的数据类型相似,却又说不清为什么。 其实是由于Hadoop进行了数据序列化,原来的Java数据类型转化为了眼前的Hadoop序列化数据类型 ...
skipTrash $OUTPUT_PATH#Step 1.$HADOOP_CMD jar $STREAM_JAR_PATH \-input $INPUT_FILE_PATH_1 \-output $OUTPUT_PATH \-mapper"python map.py mapper_func white_list"\-reducer"python red.py reduer_func"\-jobconf"mapred.reduce.tasks=2"\-file ./map.py \-file ./red.py \-file ./white...
● 支持HiveSql、Spark python和Flink作业。 ● 支持SparkSql和SparkScript结果查询。 整体API及对应功能列表详见2 API概览。文档版本 03 (2024-09-20) 版权所有 © 华为云计算技术有限公司 2 MapReduce 服务(MRS)接口参考 2 API 概览 2 API 概览
Reduce the size of your Python3 code and increase its robustness. Introduction Drastic uses annotations for type checking and object auto-initialization. It provides the following decorators. @strict control arguments of a function or method
core_node_size Yes String Instance specifications of the Core node, for example, c3.4xlarge.2.linux.bigdata. master_data_volu No String This parameter is a multi-disk me_type parameter, indicating the data disk storage type of the Master node. ...
A command-line interface (CLI) utility written in pure Python to help you reduce the file size of images. - victordomingos/optimize-images