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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.

Visit the blog
12mentions?
8HN people?
2014–2022first – last linked?
Links on Hacker News per year · peak 6 in 2014

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

The author on HN?

AlTobey · 1 karma · member since 2014

Open Source Mechanic @ Datastax, Inc. @AlTobey http://tobert.github.io/

From their public HN profile, which links to this site.

Most-linked posts?

  1. Al's Cassandra 2.1 tuning guide
    3 people · 3 mentions · first linked 2015-10-06
  2. JBOD vs. RAID
    2 people · 2 mentions · first linked 2014-06-18

What Hacker News says?

  1. pmcf · 2022-10-10Recommends
    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”
  2. Submitted Improved default settings for Linux machines as a story · 140 points

    HN discussion
  3. Submitted Al's Cassandra 2.1 tuning guide as a story · 4 points

    HN discussion
  4. Submitted Al's Cassandra 2.1 tuning guide as a story · 4 points

    HN discussion
  5. Submitted JBOD vs. RAID as a story · 2 points

    HN discussion
  6. Submitted Installing the Cassandra / Spark OSS Stack as a story · 2 points

    HN discussion
  7. Submitted Running Cassandra inside Docker as a story · 2 points

    HN discussion
  8. Submitted Improved default settings for Linux machines as a story · 2 points

    HN discussion
  9. Submitted Ioping (2015) as a story · 1 points

    HN discussion
  10. Submitted TL;DR: Cassandra Java Huge Pages as a story · 1 points

    HN discussion
  11. Submitted JBOD vs. RAID as a story · 1 points

    HN discussion
  12. Submitted Fio Output Explained as a story · 1 points

    HN discussion

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