On: Open-sourcing a 10x reduction in Apache Cassandra tail latency

[polskibus]

Does FB still use Cassandra? I thought they abandoned them ages ago and then databricks picked it up?

[ADefenestrator → polskibus]

FB abandoned Cassandra (which was really only used for message inbox indexing) when they redid how messages work years ago, but the re-adopted a large C* infra when they bought Instagram.

[jjirsa → polskibus]

The article is literally written by Instagram, which is FB.

[sciurus → jjirsa]

Well, it's a separate product that Facebook acquired. True or not, it's a common perception that Facebook abandoned Cassandra.

https://www.wired.com/2014/08/datastax/

[wenc → polskibus]

> then databricks picked it up

I think it's DataStax. Databricks is the company behind Spark.