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Introduction # Over the past years, the adoption of RocksDB increased dramatically. It became a standard for embeddable key-value stores. Today RocksDB runs in production at Meta, Microsoft, Netflix, Uber. At Meta RocksDB serves as a storage engine for the MySQL deployment powering the distributed graph database. Big tech companies are not the only RocksDB users. Several startups were built around
Platform Team の Repro Core という Unit に所属している村上と申します。 Repro Core の役割の 1 つとして、共通基盤となる Kafka Streams アプリケーションの運用があります。 この共通基盤は Repro の大量トラフィックを捌いている基盤になるため、日々の運用の中で様々な課題に直面します。 今回はそのような課題の中から、tombstone によって State Store のパフォーマンスが低下し、その解決策として RocksDB のパラメータを調整した話をします。 前半部分では tombstone によって State Store のパフォーマンスが低下した件を説明します。後半は RocksDB の compaction の挙動確認とそのパラメータ調整について説明します。 ちなみに、私が所属している Repro Core については、
For my second project while learning Zig, I decided to port an old, minimal SQL database project from Go to Zig. In this post, in ~1700 lines of code (yes, I'm sorry it's bigger than my usual), we'll create a basic embedded SQL database in Zig on top of RocksDB. Other than the RocksDB layer it will not use third-party libraries. The code for this project is available on GitHub. Here are a few exam
Pebble is a LevelDB/RocksDB inspired key-value store focused on performance and internal usage by CockroachDB. Pebble inherits the RocksDB file formats and a few extensions such as range deletion tombstones, table-level bloom filters, and updates to the MANIFEST format. Pebble intentionally does not aspire to include every feature in RocksDB and specifically targets the use case and feature set ne
Introducing Pebble: A RocksDB-inspired key-value store written in Go Reader’s Note: This post references CockroachDB Serverless and/or CockroachDB Dedicated which, as of September 26 2024, have been renamed and incorporated within the new CockroachDB Cloud platform, which you can read more about here. Since its inception, CockroachDB has relied on RocksDB as its key-value storage engine. The choic
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MyRocks: LSM-Tree Database Storage Engine Serving Facebook's Social Graph Yoshinori Matsunobu Facebook yoshinori@fb.com Siying Dong Facebook siying.d@fb.com Herman Lee Facebook herman@fb.com ABSTRACT Facebook uses MySQL to manage tens of petabytes of data in its main database named the User Database (UDB). UDB serves social activities such as likes, comments, and shares. In the past, Facebook used
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