cool hit counter Big Data and Cloud Computing Technology Weekly: NoSQL Special_Intefrankly

Big Data and Cloud Computing Technology Weekly: NoSQL Special


Written in the 16th weekly newsletter

This issue has 10 New Database Systems, MySQL Data Types char vs. varchar, RegionServer Downtime Data Recovery, 10 Git Tips, OpenTSDB, ES Performance Optimization . I hope you'll enjoy it! Feel free to reward and retweet to support the community if you like!

Special reminder that there's a surprise at the end of the article!

The following is the body of the dedicated NoSQL collection, which is limited by the level of crowd editing and not guaranteed to be to everyone's liking.

1

10 new database systems

A review of 10 new database systems released in 2017 looks back at some interesting new releases, including a transactional chart database, a replicable geographic multi-model database, and a new high-performance key/value store database.

2

MySQL Data Types char vs. varchar

Illustrate by testing whether varcar's number is a byte or a character number

http://dwz.cn/7inxct

3

RegionServer Downtime Data Recovery

This paper introduces HLog-related knowledge, and based on this, the entire recovery process and the principle of recovery after the RegionServer downtime in HBase is analyzed in depth, focusing on the DLS scheme and the DLR scheme.

http://hbasefly.com/2016/10/29/hbase-regionserver-recovering/

4

10 Git Tips

A list of 10 various hacks to get to the next level in the git world.

5

OpenTSDB

OpenTSDB uses hbase to store all time series (without sampling) to build a distributed, scalable open source database of time series, which is described below in 3 ways

1.What is OpenTSDB

2.What language is OpenTSDB written and built in?

3.How do I install OpenTSDB?

6

eBay Elasticsearch Performance Optimization

Earlier we talked about the underlying principles of es, as well as usage scenarios and usage methods, so in this section let's explore together the optimization of es and make es fly

http://dwz.cn/7inyj1

007

Happy moment

Xiao Xin: Dad, why are there three jins in my name?

Dad: You are short of gold in your destiny, so you are named Xin, just like some people are short of water in their destiny, so they are named Miao, and some people are short of wood in their destiny, so they are named Sen.

Xiao Xin: Dad, what do you think is missing in the fate of sister Guo Jingjing?

Acknowledgements.

Zhou Booming, Wei Hongbin, Wang Zaidao, Sun Yafei, Feng Yifan, Chen Shaojun, Deng Kaifang, Zhu Jie


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