Introduction
I like to spend 30 minutes to study Cassadra Netflix.
Learning is so surprising. Originally I plan to read grokking system design lecture notes, and then try to memorize the solution.
But surprising my friend offered me coaching and then I had chance to go over complicated web architecture by first hand sharing. I was asked to read Cassadra Netflix after May 30, 2018 one hour coaching.
To be a good student and be coachable, I find that I am so enjoying to read Cassadra database and totally forget the time.
Scaling Time Series Data Storage — Part I
Reading is getting hard.
https://docs.datastax.com/en/cassandra/2.1/cassandra/dml/dml_manage_ondisk_c.html
write down new terms I need to learn:
Log-structured Merge Tree vs B-Tree
Read-before-write
statement: Cassandra never re-writes or re-reads existing data, and never overwrites the rows in place.
hard disks (HDD)
solid-state disks (SSD)
