Top all-time · #9554
Amy Tobey
Personal blog · tobert.github.io · on HN as AlTobeysystemsprogramming
Amy Tobey writes Amy Writes, a personal blog at tobert.github.io about systems and programming. Since 2014, 8 different Hacker News readers have linked it 12 times, most often “Al's Cassandra 2.1 tuning guide”. It is still writing: the last post was on 2026-07-13, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN readers link Amy Tobey's Cassandra 2.1 tuning guide, a reference on tuning Cassandra for production. The comment points to it as a practical resource for tuning clusters.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
The Blog of Amy Tobey
Most-linked posts?
- Al's Cassandra 2.1 tuning guide3 people · 3 mentions · first linked 2015-10-06
- JBOD vs. RAID2 people · 2 mentions · first linked 2014-06-18
What Hacker News says?
Sure I can answer both. The OS scheduler CFQ is generally bad for high volume disk applications. Used deadline in this case. Amy's Guide is still a treasure trove of info and a solid recommended read: https://tobert.github.io/pages/als-cassandra-21-tuning-guide... If you are using Spark in a bare metal cluster with spark-submit, the above advice applies. In Kubernetes, never use the default pod scheduler with analyt…
Comment linking /pages/als-cassandra-21-tuning-guide.html
on “Cassandra at Apple: 1000s of Clusters, 300k Nodes, 100 PB”Submitted Improved default settings for Linux machines as a story · 140 points
HN discussionSubmitted Al's Cassandra 2.1 tuning guide as a story · 4 points
HN discussionSubmitted Al's Cassandra 2.1 tuning guide as a story · 4 points
HN discussionSubmitted JBOD vs. RAID as a story · 2 points
HN discussionSubmitted Installing the Cassandra / Spark OSS Stack as a story · 2 points
HN discussionSubmitted Running Cassandra inside Docker as a story · 2 points
HN discussionSubmitted Improved default settings for Linux machines as a story · 2 points
HN discussionSubmitted Ioping (2015) as a story · 1 points
HN discussionSubmitted TL;DR: Cassandra Java Huge Pages as a story · 1 points
HN discussionSubmitted JBOD vs. RAID as a story · 1 points
HN discussionSubmitted Fio Output Explained as a story · 1 points
HN discussion