I am studying for a graduate degree in organic chemistry.
Now, many talents in my area are moving towards nanotechnology.
In my opinion, this is a “deep” level of complexity, but there
Tag: what
ZooKeeper – What is ZooKeeper?
Google’s three papers have affected many, many people and many systems. These three papers have always been classics in the distributed field. According to MapReduce, so we have Hadoop; according t
What is ZooKeeper?
Foreword Some time ago, I was debugging zookeeper in the company during my free time, and I was seen by my colleagues (also classmates, temporarily called Brother Xiao Ma). He said you still play w
ZooKeeper – What is ZooKeeper, and the installation of ZooKeeper (1)
Zookeeper What is Zookeeper? Official website portal
ZooKeeper is a Distributed, open source distributed application coordination service, an open source implementation of Google’s Chubby, an
What is the difference between ZooKeeper and any distributed KEY-VALUE store?
I am new to zookeeper and distributed systems, and I am learning it myself.
From what I understand now, it seems that ZooKeeper is just a key Value storage, its key is a path, and the value i
What is the problem with this configuration nginx as the reverse agent of Node.js?
I have a personal domain name running on a VPS. I want to set nginx as a reverse proxy for node.js applications, but it doesn’t work. Anyone can take a look My configuration and tell me what I did
What is the difference between jetty and netty?
What is the main difference between Jetty and Netty?
Netty is part of Jboss, but is it the default web server container?
Does Netty support Servlets 3.0?
Jetty is a Lightweight se
Hadoop – What is the difference between FirstInfirstoutPrioritizer and OldestFlowFileFirstPrioritizer?
The user guide https://nifi.apache.org/docs/nifi-docs/html/user-guide.html has the following detailed information about the priority sorter, please help I understand these differences and provide a
What is the difference between Hadoop – AWS ELASTIC MAPREDUCE and AWS Redshift
I see that both AWS Elastic MapReduce and AWS Redshift use a cluster structure, which can be used for data analysis. What are their different use cases?
Amazon Redshift supports client connec
Hadoop – HBase Oldwals: What is it, how can I clean it?
There is not enough space in our small hadoop cluster, so I am checking the disk usage on HDFS and I found that most of the space is occupied by the /hbase/oldWALs folder.
I have checked the