SeaweedFS is a fast distributed storage system for blobs, objects, files, and data lake, for billions of files! Blob store has O(1) disk seek, cloud tiering. Filer supports Cloud Drive, cross-DC active-active replication, Kubernetes, POSIX FUSE mount, S3 API, S3 Gateway, Hadoop, WebDAV, encryption, Erasure Coding.

Ceph is a distributed object, block, and file storage platform

Streaming replication for SQLite.

MySQL replication topology management and HA

Gluster Filesystem : Build your distributed storage in minutes

Continuous Archiving for Postgres

CloudNativePG is a comprehensive platform designed to seamlessly manage PostgreSQL databases within Kubernetes environments, covering the entire operational lifecycle from initial deployment to ongoing maintenance

These are policy-driven snapshot management and replication tools which use OpenZFS for underlying next-gen storage. (Btrfs support plans are shelved unless and until btrfs becomes reliable.)

比 MySQL 和 MongoDB 快10倍的 OLTP 关系数据库和文档数据库

Official MyDumper Project

A list of papers about distributed consensus.

A distributed data integration framework that simplifies common aspects of big data integration such as data ingestion, replication, organization and lifecycle management for both streaming and batch data ecosystems.

💫 The easy way to synchronize the DNS configuration of two Pi-hole 5.x instances.

X-Pipe是由携程框架部门研发的Redis多数据中心复制管理系统。基于Redis的Master-Slave复制协议，实现低延时、高可用的Redis多数据中心、跨公网数据复制，并且提供一键机房切换，复制监控、异常报警等功能。开源版本和携程内部生产环境版本一致。

MongoShake is a universal data replication platform based on MongoDB's oplog. Redundant replication and active-active replication are two most important functions. 基于mongodb oplog的集群复制工具，可以满足迁移和同步的需求，进一步实现灾备和多活功能。

A distributed SQLite replicator built on top of NATS

A lightweight replication manager for PostgreSQL (Postgres)

PostgreSQL High-Availability Cluster (based on "Patroni" and DCS "etcd" or "consul"). Automating with Ansible.

JSON output plugin for changeset extraction

🚀 Making multi-player gamedev simpler since 2017