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Viewing profile — jackvanlightly

jackvanlightly

HN member
Joined
Thu, May 21, 2020, 4:37 PM UTC
HN karma
46
Public activity
7 items

About jackvanlightly

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Recent public activity

  1. comment
    Comment #45753602

    > A 500 KB/s workload should not use Kafka This is a simplistic take. Kafka isn't just about scale, it, like other messaging systems provide queue/streaming semantics for applicati…

  2. comment
    Comment #45753548

    We fixed that particular issue: https://jack-vanlightly.com/blog/2023/8/17/kafka-kip-966-fix...

  3. comment
    Comment #23823562

    Not "currently" a distributed log, but we're working on adding that (in a Rabbity way). We're not trying to compete with the likes of Pulsar or Kafka though, we're just trying to r…

  4. comment
    Comment #23823026

    If consumers are keeping up, there will be no reads to the BookKeeper layer as the Pulsar broker will serve from memory. When reads need to go to BookKeeper there are caches there …

  5. comment
    Comment #23817914

    Yes it does FIFO. Just like RabbitMQ, Apache Kafka and many other distributed systems, writes go through an elected leader, who is able to ensure ordering guarantees. Specifically …

  6. comment
    Comment #23730917

    One of the issues with modelling queue semantics over a database is performance. All that locking, key lookups and mutating of B trees is expensive. The latest generation of durabl…

  7. comment
    Comment #23260756

    Rabbit dev here. We released quorum queues a few months ago. It's a Raft based replicated queue that addresses all the old problems. https://www.rabbitmq.com/blog/2020/04/20/rabbit…