30. 50 Number of production clusters
15 Number of multi-region clusters
4 Max regions, one cluster
101 Total TB of data across all clusters
780 Number of Cassandra nodes
72/32 Largest Cassandra cluster (nodes/data in TB)
250k/800k Max read/writes per second on a single cluster
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Notes de l'éditeur
… Developer in house …Quickly find problems by looking into codeDocumentation/tools for troubleshooting are scarce… repairs …Affect entire replication set, cause very high latency in I/O constrained environment… multi-tenant …Hard to track changes being madeShared resources mean that one service can affect another oneIndividual usage only growsMoving services to a new cluster with the service live is non-trivial… smaller per-node data …Instance level operations (bootstrap, compact, etc) are faster