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Recent Posts
Categories
- Design (2)
- Elasticsearch (3)
- Golang (5)
- hadoop (2)
- Java (12)
- Kubernetes (1)
- linux (1)
- Maven (1)
- Openshift (1)
- Performance (1)
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- Security (3)
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annotation
apache hive 3
build
cdp
cloudera
commands
CORS
design
design pattern
DNS
elastic
elasticsearch
go
golang
hadoop
hdfs
hive
http
ip
java
jms
junit
maven
mq
mysql
nginx
oracle
proxy
proxy_pass
queue
rdbms
Repository
resolution
resolver
reverseproxy
scala
spark
spring
spring boot
springboot
sqoop
string
time zone
upstream
vim
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Generate Sequential and Unique IDs in a Spark Dataframe
Apache Spark is an open source, general-purpose distributed computing engine used for processing and analyzing a large amount of data. Hence, adding sequential and unique IDs to a Spark Dataframe is not very straight forward, because of distributed nature of it.
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