Viewing profile — jackvanlightly
jackvanlightly
HN member- Joined
- Thu, May 21, 2020, 4:37 PM UTC
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About jackvanlightly
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Recent public activity
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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…
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Comment #45753548
We fixed that particular issue: https://jack-vanlightly.com/blog/2023/8/17/kafka-kip-966-fix...
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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…
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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 …
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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 …
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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…
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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…