THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
- Yahoo! Push Notifications: Hedwig is used to serve push notifications to mobile devices.
- Yahoo! Cloud Messaging: Uses BookKeeper to persist messages for guaranteed deliveryHuawei: Uses BookKeeper as shared storage in Namenode HA.
- HubSpot: Uses Bookkeeper in production at the core of its (custom) write-ahead-log service.
- HuaweiTwitter: Uses BookKeeper Bookkeeper as shared storage in Namenode HAthe core storage backend for replicated log service serving use cases like search ingestion, self-serve pub/sub system and strong consistent operations on distributed database.
- Yahoo! Cloud Messaging: Uses BookKeeper to persist messages for guaranteed delivery.
- Yahoo! Push Notifications: Hedwig is used to serve push notifications to mobile devices.