Topics /

Systems & Performance

The most popular blog posts about systems & performance on Hacker News. 2,560 posts.

Any year
1062

RavenDB 6.0.2 (A Jepsen Report)

RavenDB is a distributed document database which repeatedly advertises its support for ACID transactions. 1 It’s intended for OLTP workloads, and offers a variety of ETL paths for exporting data to other systems. Its transactional API revolves around a session handle, which “represents a single business transaction on…

1067

Jepsen: Redis-Raft 1b3fbf6

Redis is a fast single-threaded data structure server, commonly used as a cache, scratchpad, queue, or coordination mechanism between distributed applications. It offers operations over a broad array of datatypes , including binary blobs, lists, sets, sorted sets, maps, geohashes, counters, channels, streams, and…

1068

BPF: The Forgotten Bytecode

Every once in a while I run into an obscure computer technology that is a hidden gem, which over the years has become mostly forgotten. This is exactly how I feel about the tcpdump tool and its kernel counterpart the packet filter interface.

1076

How to drop 10M packets per second

Internally our DDoS mitigation team is sometimes called "the packet droppers". When other teams build exciting products to do smart things with the traffic that passed through our network, we take joy in discovering novel ways of discarding it.

1080

Jepsen: Redpanda 21.10.1

Redpanda is a Kafka -compatible distributed streaming system based around append-only logs. Compared to Kafka, Redpanda aims to offer users lower latencies and reduced operational complexity. It uses the Raft consensus algorithm internally, rather than depending on a separate installation of Zookeeper . Redpanda…