Twitter, Inc.

Deng Liu

Ying Xu

Peter Schuller

Sumeet Lahorani

Tugrul Bingol

Yi Lin

Neng Lu

Chongfeng Hu

Embodiments are provided for balancing storage resources in a distributed database. According to certain aspects, various hardware components may facilitate a three-stage technique including a node balancer technique, a shard balancer technique, and a replica balancer technique. The node balancer technique may create a set of pods from a set of nodes residing across a set of storage racks. The shard balancer technique may redistribute, among the set of pods, a portion of a set of shards assigned to respective pods of the set of pods. The replica balancer technique may, for each pod, distribute the set of replicas so that the replicas reside across the storage racks of that pod.

Systems and methods for balancing storage resources in a distributed database

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Millbrae, CA, United States of America

Deng Liu