Automated Selection of Materialized Views and Indexes for SQL Databases
Replicating application data into materialized views
24
Replicating Application Data Into Materialized Views -or- Why You Should Publish Data Changes to Kafka Zach Cox @zcox Jack Henry & Associates Iowa Code Camp Dec 2015
-
Upload
zach-cox -
Category
Technology
-
view
576 -
download
1
Transcript of Replicating application data into materialized views
Replicating Application DataInto Materialized Views
-or-Why You Should Publish Data Changes to Kafka
Zach Cox @zcoxJack Henry & Associates
Iowa Code Camp Dec 2015
http://www.nngroup.com/articles/response-times-3-important-limits/
Kafka documentation
I ♥ Logs book
def getUser(id: String): User =
readUserFromCache(id) match {
case Some(user) => user
case None =>
val user = readUserFromDatabase(id)
writeUserToCache(user)
user
}
def getUser(id: String): User =
readUserFromCache(id) match {
case Some(user) => user
case None => //cache miss!
val user = readUserFromDatabase(id)
writeUserToCache(user)
user
}
def getUser(id: String): User =
readUserFromCache(id) match {
case Some(user) => user //stale?
case None => //cache miss!
val user = readUserFromDatabase(id)
writeUserToCache(user)
user
}
def getUser(id: String): User =
readUserFromCache(id) match { //network latency
case Some(user) => user //stale?
case None => //cache miss!
val user = readUserFromDatabase(id)
writeUserToCache(user)
user
}
RocksDBBottled Water
Elasticsearch
https://github.com/zcox/data-replication-example
