Hacker ApprovedDepartments

NATS JetStream

Shares rank 10 of 19 message brokers by recommenders

Recommended as a lightweight, easy-to-deploy persistence layer for NATS messaging, with high throughput and simple configuration. Critics report reliability bugs and data-storage failures.

Recommended as a lightweight, easy-to-deploy persistence layer for NATS messaging, with high throughput and simple configuration. Critics report reliability bugs and data-storage failures.

14 people gave an opinion

recommend it
8
criticize it
6
approval share
57%
Each figure is one person. RecommendsCriticizes

Recommended in 5 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: recommended
  8. June 2026: not recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: not recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • 1.3 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 5 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Easy to configure, deploy and maintain

    “NATS is far more lightweight, very simple to configure and deploy, has very few dependencies”

    Comment from 2 May 2026 in “What is Apache Kafka and how does it work?”

    “it seemed nearly as featureful but also easier to maintain”

    Comment from 19 Aug 2026 in “We turned off Pub/Sub and nobody noticed”

    “It is easy to manage and works great”

    Comment from 25 Jan 2026 in “Small Kafka: Tansu and SQLite on a free t3.micro”
  • Fault-tolerant built-in stream persistence

    “NATS and its built-in Jetstream stream persistence engine are a miracle.”

    Comment from 9 Jul 2026 in “Chatto is now Open Source”

    “NATS.io provides a fault-tolarent communication bit across networks”

    Comment from 20 Jan 2026 in “Nats.io JetStream with PyTorch: lightweight compositional learning”

What people warn about

Each mark is one comment

  • Reliability and data storage bugs

    “The rest are not the kind of bugs you expect to see in a 5 year old persistence layer.”

    Comment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

    “it's failing to deliver on the (advertised) basics of storing your data”

    Comment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

    “Jetstream's reliability is horrifying apparently”

    Comment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

Other message brokers people recommend

The four most recommended other message brokers, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

NATS JetStream compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Apache Kafka535549%12——
NATS341668%97.5 yrs3 ownersApproved
Amazon SQS181456%8——
Redpanda17481%7—Approved
NATS JetStreamThis page8657%5——
See all 19 message brokers, ranked

What people said

All 14 comments that mention it, newest first. Each links to the original comment.

“the amount of throughput is more then enough for any medium scale enterprise”

RecommendsComment from 1 Oct 2026 in “Cloudflare K2: serverless event streams”

“it seemed nearly as featureful but also easier to maintain”

RecommendsComment from 19 Aug 2026 in “We turned off Pub/Sub and nobody noticed”

“it's incredibly easy to start consuming the Bluesky firehose”

RecommendsComment from 14 Aug 2026 in “Bluesky Protocol Services”

“Thank you! Jetstream looks useful.”

RecommendsComment from 9 Jul 2026 in “Chatto is now Open Source”

“NATS and its built-in Jetstream stream persistence engine are a miracle.”

RecommendsComment from 9 Jul 2026 in “Chatto is now Open Source”

“NATS is far more lightweight, very simple to configure and deploy, has very few dependencies”

RecommendsComment from 2 May 2026 in “What is Apache Kafka and how does it work?”

“Jetstream is a bit patchy”

CriticizesComment from 30 Mar 2026 in “About the Atmosphere”

“It is easy to manage and works great”

RecommendsComment from 25 Jan 2026 in “Small Kafka: Tansu and SQLite on a free t3.micro”

“NATS.io provides a fault-tolarent communication bit across networks”

RecommendsComment from 20 Jan 2026 in “Nats.io JetStream with PyTorch: lightweight compositional learning”

“Jetstream's reliability is horrifying apparently”

CriticizesComment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

“it's failing to deliver on the (advertised) basics of storing your data”

CriticizesComment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

“The rest are not the kind of bugs you expect to see in a 5 year old persistence layer.”

CriticizesComment from 9 Dec 2025 in “Jepsen: NATS 2.12.1”

“JetStream can only do a few K topics”

CriticizesComment from 8 Dec 2025 in “Jepsen: NATS 2.12.1”

“Their docs makes some pretty bold claims about JetStream”

CriticizesComment from 8 Dec 2025 in “Jepsen: NATS 2.12.1”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.