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一起学习hadoop生态圈下常用大数据组件 已有 Flink Kafka Hbase Scala Solr ES Kerberos (项目包含hadoop思维导图 印象笔记 Scala版本简单demo 工具类 持续更新!!!)

Groovy 0.39% XSLT 27.30% CSS 0.72% JavaScript 1.46% TeX 0.12% HTML 0.32% Batchfile 0.07% Shell 0.88% Java 59.01% Scala 9.73%

hadoop_study's Introduction

hadoop

How Study

hadoop 导图笔记

hive

Scala

Flink

Spark

SparkStreaming

Spark Structured Streaming

HBase(phoenix)

kafka

redis

solr

Eleasticsearch

MongoDB

kerberos

  • 印象笔记
  • 这个真恶心 人机/机机
  • 2019-5-5 更新 Fusioninsigh下的所有组件互通已经调试好

springboot

  • 用空还是要学一下 最近做了个springboot实现solr rest服务 套的公司应用层模板

持续更新...

  • 会不定期的将在工作中接触大数据组件时做的去敏测试代码上传到对应的文件夹下供初学者参考,少走弯路 包括自己每天更新的大数据印象笔记 更新的进度和规划在issues 中
  • 今年计划重心是在实时计算上Flink,下半年的规划 : sparksql或flinksql flinksql推荐使用1.7.0+
  • 最新工作 : Solr出现问题(从存量50亿查当天数据,晚上查询30-50s,早上2s),50亿数据,查一天的最后一页,内存一下满了导致的(最后一页用户非得留着)
  • 今天用到了jieba分词,需要自定词库+solr来获取警情的空间经纬度坐标(已实现,代码测试去敏后上传)
  • es+kerberos https证书卡着了,先将DSL语法熟悉下上传
  • 这两天调试spark同步hive到es程序,es是kerberos安全认证的,网上的都是http的方式访问,难受,最终使用jdbc的方式在安全模式的集群下从hive读数据到es ok 断断续续优化的flink程序 加入rebalance 导致背压,优化背压 对过车时间进行取余处理进行分流... 最终发现优化需要减操作步骤 而不是增加!! 跑了两天 离线程序白天还在跑导致CPU负载很高 实时计算程序受到影响

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