Apache Accumulo
6.0#6 in wide-column databasesFree planFree planAPILinuxSelf-hosted
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Accumulo suits teams that need distributed storage and retrieval for large datasets, with per-pair access labels and cluster scaling. It is aimed at self-hosted deployments using HDFS and ZooKeeper.
Bigtable may fit teams handling larger low-latency workloads for machine learning, analytics, or user-facing applications. Its multi-region setup and database migration options may also suit teams with those needs.