I've put ~74 million objects in my riak cluster with a bucket size of 9 bytes and keys size of 21 bytes. According the riak capacity calculator this should require ~4 GiB of RAM per node. Right now my servers are showing ~ 9 GiB used per node. Is this caused by hashing or something else......
# capacity calculator output To manage your estimated 73.9 million key/bucket pairs where bucket names are ~9 bytes, keys are ~21 bytes, values are ~36 bytes and you are setting aside 16.0 GiB of RAM per-node for in-memory data management within a cluster that is configured to maintain 3 replicas per key (N = 3) then Riak, using the Bitcask storage engine, will require at least: * 5 nodes * 3.9 GiB of RAM per node (19.7 GiB total across all nodes) * 11.4 GiB of storage space per node (56.8 GiB total storage space used across all nodes)
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